added 'debug' method to service builder

see: https://dev.twitter.com/docs/auth/percent-encoding-parameters

.gitignore

@@ -5,6 +5,11 @@
 .project
 .settings
 
+# IntelliJ Idea settings
+
+.idea
+scribe.iml
+
 # Binaries
 
 target

LICENSE.txt

@@ -0,0 +1,21 @@
+The MIT License
+
+Copyright (c) 2010 Pablo Fenandez
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.textile

@@ -1,5 +1,3 @@
-!http://img411.imageshack.us/img411/2851/scribelogo.png!
-
 h2. Welcome to the home of Scribe, the simple OAuth Java lib!
 
 h1. Why use Scribe?
@@ -20,10 +18,12 @@ h3. Threadsafe
 
 Hit Scribe as hard and with many threads as you like.
 
-h3. Supports all major OAuth APIs out-of-the-box
+h3. Supports all major 1.0a and 2.0 OAuth APIs out-of-the-box
 
 * Google
 
+* Facebook
+
 * Yahoo
 
 * LinkedIn
@@ -32,6 +32,14 @@ h3. Supports all major OAuth APIs out-of-the-box
 
 * Foursquare
 
+* Evernote
+
+* Vimeo
+
+* Yammer
+
+* Windows Live
+
 * and many more! check the "examples folder":http://github.com/fernandezpablo85/scribe-java/tree/master/src/test/java/org/scribe/examples
 
 h3. Small and modular
@@ -48,12 +56,28 @@ Good test coverage to keep you safe from harm.
 
 When something bad actually happens, Scribe's meaningful error messages will tell you exactly what went wrong, when and where.
 
+h3. Pull it from Maven! (new)
+
+You can pull scribe from a maven repository, just add this to your __pom.xml__ file:
+
+@<dependency>@
+  @<groupId>org.scribe</groupId>@
+  @<artifactId>scribe</artifactId>@
+  @<version>1.3.0</version>@
+@</dependency>@
+
 h1. Getting started in less than 2 minutes
 
 Check the "Getting Started":http://wiki.github.com/fernandezpablo85/scribe-java/getting-started page and start rocking!
 
 h1. Please Read the "FAQ":http://wiki.github.com/fernandezpablo85/scribe-java/faq before creating an issue :)
 
+h1. Questions?
+
+Feel free to drop me an email, but there's already a "StackOvferflow":http://stackoverflow.com tag for "scribe":http://stackoverflow.com/questions/tagged/scribe you should use. I'm subscribed to it so I'll pick the question immediately.
+
+Note that it really helps to run scribe on **debug** mode (since 1.3.0), to get additional info. To do this simply call the @.debug()@ method on the @ServiceBuilder@.
+
 h1. About me
 
 "LinkedIn profile":http://www.linkedin.com/in/fernandezpablo85

bundle

@@ -0,0 +1,2 @@
+#!/bin/sh
+mvn source:jar javadoc:jar package gpg:sign repository:bundle-create -Dgpg.passphrase=$1

changelog.txt

@@ -0,0 +1,73 @@
+[1.0.6]
+
+ * FEATURE: Available in maven central repositories.
+
+[1.0.7]
+
+ * FEATURE: Added support for Yammer and Evernote ( thanks oparrsih )
+ * FIX: Fixed bug that preventing setting the scope param on Google Api  
+
+[1.0.8]
+
+ * FEATURE: Added setConnectTimeout and setReadTimeout for the Request Object
+ * FIX: Fixed Evernote Api (uses GET for request and access tokens)
+ * REFACTOR: URLEncoding stuff. LinkedIn specific decoder is no longer needed
+ * FEATURE: Added Google example
+
+[1.0.9]
+
+ * FEATURE: Token made Serializable
+ * FIX: Google Api encoding issues (thanks @roger and @klakegg)
+
+[1.1.0]
+
+  * FEATURE: OAuth 2.0 Support and Facebook support out of the box (thanks Diego Silveira)
+  * REFACTOR: Api creation and OAuthService refactors
+  * REFACTOR: Connections are created lazily (just before sending the request)
+
+[1.1.1]
+
+  * FIX: Removed isEmpty() from OAuth2.0 code in order to support older JVMs
+  * FEATURE: Overloaded provider() method to support instances as well as classes (thanks dustismo)
+  * FIX: White-space parameter bug (thanks Krogoth)
+  * FEATURE: OAuth 2.0 now implements server-flow (thanks Diego Silveira)
+
+[1.1.2]
+
+  * FIX: Fixed ugly bug that made 1.1.1 practically unusable (thanks Stubbs)
+
+[1.1.3]
+
+  * FEATURE: Added rawResponse to Token, for extracting additional parameters (thanks Dirk McCormick)
+  * FEATURE: Added Dropbox Api
+  * FIX: Token responses now work despite of the token/secret order
+  * FEATURE: Added Foursquare OAuth 2.0 Api (thanks Tom Tasche)
+  * FEATURE: Added support for OAuth1.0a signatures via querystring parameters
+  * FEATURE: Added ConstantContact Api (thanks Matthew Laudato)
+
+[1.2]
+  * REFACTOR: Moved scope inside OAuthConfig (breaks backwards compatibility)
+  * FEATURE: Added scopes to Facebook 2.0 Api
+  * FEATURE: Added Plaintext signature for Yammer
+  * FEATURE: Added Twitter SSL endpoints (use TwitterApi.SSL.class)
+
+[1.2.1]
+  * FEATURE: Added custom charset support to Request (thanks Eric Genet)
+  * FEATURE: Added support for Vkontakte (thanks dotbg)
+  * FEATURE: Added Sohu Weibo, Netease Weibo & Sina Weibo Apis (thanks Arthur Wang)
+  * FEATURE: Added support for persistent Http Connections (thanks Craig Minton)
+
+[1.2.2]
+  * FIX: Added support for JDK 1.5. Issue #146 (thanks Sripathi Krishnan)
+  * FIX: Invalid character constant error message. Issue #137 (thanks Scott Scoble)
+  * FEATURE: Added a Api class to handle windows live authentication. Issue #135 (thanks Tomas Lin)
+  * FEATURE: Added refresh token feature for Yahoo! API. Issue #134 (thanks Aaron Foltz)
+  * FEATURE: Added support for Plurk API. Issue #130 (thanks Chia-Wei Li)
+  * FIX: Request.setConnectTimeout() and setReadTimeout() throw NPE. Issue #123 (thanks thepizzle)
+
+[1.2.3]
+  * FEATURE: Added default Content-Type header
+  * FEATURE: Sapo Api
+  * FEATURE: Plurk Mobile Api
+  * FEATURE: Kaixin and QWeibo Apis
+  * FEATURE: SimpleGeo Api

pom.xml

@@ -4,8 +4,44 @@
   <groupId>org.scribe</groupId>
   <artifactId>scribe</artifactId>
   <packaging>jar</packaging>
-  <version>1.0.1</version>
-  <name>OAuth Library</name>
+  <version>1.3.0</version>
+  <name>Scribe OAuth Library</name>
+  <description>The best OAuth library out there</description>
+  <url>http://github.com/fernandezpablo85/scribe-java</url>
+
+  <parent>
+    <groupId>org.sonatype.oss</groupId>
+    <artifactId>oss-parent</artifactId>
+    <version>5</version>
+  </parent>
+
+  <developers>
+    <developer>
+      <id>fernandezpablo85</id>
+      <name>Pablo Fernandez</name>
+      <email>fernandezpablo85@gmail.com</email>
+      <timezone>-3</timezone>
+    </developer>
+    <developer>
+      <id>diegossilveira</id>
+      <name>Diego Silveira</name>
+      <email>diegossilveira@gmail.com</email>
+      <timezone>-3</timezone>
+    </developer>
+  </developers>
+
+  <licenses>
+    <license>
+      <name>MIT</name>
+      <url>http://github.com/fernandezpablo85/scribe-java/blob/master/LICENSE.txt</url>
+    </license>
+  </licenses>
+
+  <scm>
+    <connection>scm:http://github.com/fernandezpablo85/scribe-java.git</connection>
+    <developerConnection>scm:http://github.com/fernandezpablo85/scribe-java.git</developerConnection>
+    <url>http://github.com/fernandezpablo85/scribe-java.git</url>
+  </scm>
 
   <dependencies>
     <dependency>
@@ -18,6 +54,7 @@
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <version>4.8.1</version>
+      <scope>test</scope>
     </dependency>
     
   </dependencies>
@@ -26,10 +63,23 @@
       <plugin>
         <artifactId>maven-compiler-plugin</artifactId>
         <configuration>
-          <source>1.6</source>
-          <target>1.6</target>
+          <source>1.5</source>
+          <target>1.5</target>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-gpg-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>sign-artifacts</id>
+            <phase>verify</phase>
+            <goals>
+              <goal>sign</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
   </build>
 </project>  

src/main/java/org/scribe/builder/ServiceBuilder.java

@@ -1,8 +1,8 @@
 package org.scribe.builder;
 
+import java.io.*;
 import org.scribe.builder.api.*;
 import org.scribe.exceptions.*;
-
 import org.scribe.model.*;
 import org.scribe.oauth.*;
 import org.scribe.utils.*;
@@ -20,10 +20,18 @@ public class ServiceBuilder
   private String apiSecret;
   private String callback;
   private Api api;
+  private String scope;
+  private SignatureType signatureType;
+  private OutputStream debugStream;
   
+  /**
+   * Default constructor
+   */
   public ServiceBuilder()
   {
     this.callback = OAuthConstants.OUT_OF_BAND;
+    this.signatureType = SignatureType.Header;
+    this.debugStream = null;
   }
   
   /**
@@ -52,7 +60,22 @@ public class ServiceBuilder
     }
     return api;
   }
-  
+
+  /**
+   * Configures the {@link Api}
+   *
+   * Overloaded version. Let's you use an instance instead of a class.
+   *
+   * @param api instance of {@link Api}s
+   * @return the {@link ServiceBuilder} instance for method chaining
+   */
+  public ServiceBuilder provider(Api api)
+  {
+	  Preconditions.checkNotNull(api, "Api cannot be null");
+	  this.api = api;
+	  return this;
+  }
+
   /**
    * Adds an OAuth callback url
    * 
@@ -92,6 +115,45 @@ public class ServiceBuilder
     return this;
   }
   
+  /**
+   * Configures the OAuth scope. This is only necessary in some APIs (like Google's).
+   * 
+   * @param scope The OAuth scope
+   * @return the {@link ServiceBuilder} instance for method chaining
+   */
+  public ServiceBuilder scope(String scope)
+  {
+    Preconditions.checkEmptyString(scope, "Invalid OAuth scope");
+    this.scope = scope;
+    return this;
+  }
+
+  /**
+   * Configures the signature type, choose between header, querystring, etc. Defaults to Header
+   *
+   * @param scope The OAuth scope
+   * @return the {@link ServiceBuilder} instance for method chaining
+   */
+  public ServiceBuilder signatureType(SignatureType type)
+  {
+    Preconditions.checkNotNull(type, "Signature type can't be null");
+    this.signatureType = type;
+    return this;
+  }
+
+  public ServiceBuilder debugStream(OutputStream stream)
+  {
+    Preconditions.checkNotNull(stream, "debug stream can't be null");
+    this.debugStream = stream;
+    return this;
+  }
+
+  public ServiceBuilder debug()
+  {
+    this.debugStream(System.out);
+    return this;
+  }
+  
   /**
    * Returns the fully configured {@link OAuthService}
    * 
@@ -102,6 +164,6 @@ public class ServiceBuilder
     Preconditions.checkNotNull(api, "You must specify a valid api through the provider() method");
     Preconditions.checkEmptyString(apiKey, "You must provide an api key");
     Preconditions.checkEmptyString(apiSecret, "You must provide an api secret");
-    return api.createService(apiKey, apiSecret, callback);
+    return api.createService(new OAuthConfig(apiKey, apiSecret, callback, signatureType, scope, debugStream));
   }
 }

src/main/java/org/scribe/builder/api/Api.java

@@ -1,5 +1,6 @@
 package org.scribe.builder.api;
 
+import org.scribe.model.*;
 import org.scribe.oauth.*;
 
 /**
@@ -16,8 +17,9 @@ public interface Api
    * @param apiKey your application api key
    * @param apiSecret your application api secret
    * @param callback the callback url (or 'oob' for out of band OAuth)
+   * @param scope the OAuth scope
    * 
    * @return fully configured {@link OAuthService}
    */
-  OAuthService createService(String apiKey, String apiSecret, String callback);
+  OAuthService createService(OAuthConfig config);
 }

src/main/java/org/scribe/builder/api/ConstantContactApi.java

@@ -0,0 +1,26 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.*;
+
+public class ConstantContactApi extends DefaultApi10a
+{
+  private static final String AUTHORIZE_URL = "https://oauth.constantcontact.com/ws/oauth/confirm_access?oauth_token=%s";
+
+  @Override
+  public String getAccessTokenEndpoint()
+  {
+    return "https://oauth.constantcontact.com/ws/oauth/access_token";
+  }
+
+  @Override
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return String.format(AUTHORIZE_URL, requestToken.getToken());
+  }
+
+  @Override
+  public String getRequestTokenEndpoint()
+  {
+    return "https://oauth.constantcontact.com/ws/oauth/request_token";
+  }
+}

src/main/java/org/scribe/builder/api/DefaultApi10a.java

@@ -5,74 +5,137 @@ import org.scribe.model.*;
 import org.scribe.oauth.*;
 import org.scribe.services.*;
 
+/**
+ * Default implementation of the OAuth protocol, version 1.0a
+ * 
+ * This class is meant to be extended by concrete implementations of the API,
+ * providing the endpoints and endpoint-http-verbs.
+ * 
+ * If your Api adheres to the 1.0a protocol correctly, you just need to extend 
+ * this class and define the getters for your endpoints.
+ * 
+ * If your Api does something a bit different, you can override the different 
+ * extractors or services, in order to fine-tune the process. Please read the 
+ * javadocs of the interfaces to get an idea of what to do.
+ * 
+ * @author Pablo Fernandez
+ *
+ */
 public abstract class DefaultApi10a implements Api
 {
+  /**
+   * Returns the access token extractor.
+   * 
+   * @return access token extractor
+   */
   public AccessTokenExtractor getAccessTokenExtractor()
   {
     return new TokenExtractorImpl();
   }
 
+  /**
+   * Returns the base string extractor.
+   * 
+   * @return base string extractor
+   */
   public BaseStringExtractor getBaseStringExtractor()
   {
     return new BaseStringExtractorImpl();
   }
 
+  /**
+   * Returns the header extractor.
+   * 
+   * @return header extractor
+   */
   public HeaderExtractor getHeaderExtractor()
   {
     return new HeaderExtractorImpl();
   }
 
+  /**
+   * Returns the request token extractor.
+   * 
+   * @return request token extractor
+   */
   public RequestTokenExtractor getRequestTokenExtractor()
   {
     return new TokenExtractorImpl();
   }
 
+  /**
+   * Returns the signature service.
+   * 
+   * @return signature service
+   */
   public SignatureService getSignatureService()
   {
     return new HMACSha1SignatureService(); 
   }
 
+  /**
+   * Returns the timestamp service.
+   * 
+   * @return timestamp service
+   */
   public TimestampService getTimestampService()
   {
     return new TimestampServiceImpl();
   }
   
+  /**
+   * Returns the verb for the access token endpoint (defaults to POST)
+   * 
+   * @return access token endpoint verb
+   */
   public Verb getAccessTokenVerb()
   {
     return Verb.POST;
   }
   
+  /**
+   * Returns the verb for the request token endpoint (defaults to POST)
+   * 
+   * @return request token endpoint verb
+   */
   public Verb getRequestTokenVerb()
   {
     return Verb.POST;
   }
   
+  /**
+   * Returns the URL that receives the request token requests.
+   * 
+   * @return request token URL
+   */
   public abstract String getRequestTokenEndpoint();
+  
+  /**
+   * Returns the URL that receives the access token requests.
+   * 
+   * @return access token URL
+   */
   public abstract String getAccessTokenEndpoint();
   
-  @Override
-  public OAuthService createService(String apiKey, String apiSecret, String callback)
+  /**
+   * Returns the URL where you should redirect your users to authenticate
+   * your application.
+   * 
+   * @param requestToken the request token you need to authorize
+   * @return the URL where you should redirect your users
+   */
+  public abstract String getAuthorizationUrl(Token requestToken);
+  
+  /**
+   * Returns the {@link OAuthService} for this Api
+   * 
+   * @param apiKey Key
+   * @param apiSecret Api Secret
+   * @param callback OAuth callback (either URL or 'oob')
+   * @param scope OAuth scope (optional) 
+   */
+  public OAuthService createService(OAuthConfig config)
   {
-    return new OAuth10aServiceImpl( getSignatureService(), 
-                                    getTimestampService(), 
-                                    getBaseStringExtractor(), 
-                                    getHeaderExtractor(), 
-                                    getRequestTokenExtractor(), 
-                                    getAccessTokenExtractor(), 
-                                    createConfig(apiKey, apiSecret, callback));
+    return new OAuth10aServiceImpl(this, config);
   }
-
-  private OAuthConfig createConfig(String apiKey, String apiSecret, String callback)
-  {
-    OAuthConfig config = new OAuthConfig();
-    config.setRequestTokenVerb(getRequestTokenVerb());
-    config.setRequestTokenEndpoint(getRequestTokenEndpoint());
-    config.setAccessTokenVerb(getAccessTokenVerb());
-    config.setAccessTokenEndpoint(getAccessTokenEndpoint());
-    config.setApiKey(apiKey);
-    config.setApiSecret(apiSecret);
-    config.setCallback(callback);
-    return config;
-  }
-
 }

src/main/java/org/scribe/builder/api/DefaultApi20.java

@@ -0,0 +1,70 @@
+package org.scribe.builder.api;
+
+import org.scribe.extractors.*;
+import org.scribe.model.*;
+import org.scribe.oauth.*;
+
+/**
+ * Default implementation of the OAuth protocol, version 2.0 (draft 11)
+ *
+ * This class is meant to be extended by concrete implementations of the API,
+ * providing the endpoints and endpoint-http-verbs.
+ *
+ * If your Api adheres to the 2.0 (draft 11) protocol correctly, you just need to extend
+ * this class and define the getters for your endpoints.
+ *
+ * If your Api does something a bit different, you can override the different
+ * extractors or services, in order to fine-tune the process. Please read the
+ * javadocs of the interfaces to get an idea of what to do.
+ *
+ * @author Diego Silveira
+ *
+ */
+public abstract class DefaultApi20 implements Api
+{
+
+  /**
+   * Returns the access token extractor.
+   * 
+   * @return access token extractor
+   */
+  public AccessTokenExtractor getAccessTokenExtractor()
+  {
+    return new TokenExtractor20Impl();
+  }
+	
+  /**
+   * Returns the verb for the access token endpoint (defaults to GET)
+   * 
+   * @return access token endpoint verb
+   */
+  public Verb getAccessTokenVerb()
+  {
+    return Verb.GET;
+  }
+	
+  /**
+   * Returns the URL that receives the access token requests.
+   * 
+   * @return access token URL
+   */
+  public abstract String getAccessTokenEndpoint();
+	
+  /**
+   * Returns the URL where you should redirect your users to authenticate
+   * your application.
+   *
+   * @param config OAuth 2.0 configuration param object
+   * @return the URL where you should redirect your users
+   */
+  public abstract String getAuthorizationUrl(OAuthConfig config);
+
+  /**
+   * {@inheritDoc}
+   */
+  public OAuthService createService(OAuthConfig config)
+  {
+    return new OAuth20ServiceImpl(this, config);
+  }
+
+}

src/main/java/org/scribe/builder/api/DropBoxApi.java

@@ -0,0 +1,25 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.*;
+
+public class DropBoxApi extends DefaultApi10a
+{
+  @Override
+  public String getAccessTokenEndpoint()
+  {
+    return "https://api.dropbox.com/0/oauth/access_token";
+  }
+
+  @Override
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return "https://www.dropbox.com/0/oauth/authorize?oauth_token="+requestToken.getToken();
+  }
+
+  @Override
+  public String getRequestTokenEndpoint()
+  {
+    return "https://api.dropbox.com/0/oauth/request_token";
+  }
+
+}

src/main/java/org/scribe/builder/api/EvernoteApi.java

@@ -0,0 +1,62 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.Token;
+import org.scribe.model.Verb;
+
+public class EvernoteApi extends DefaultApi10a
+{
+  private static final String AUTHORIZATION_URL = "https://www.evernote.com/OAuth.action?oauth_token=%s";
+  
+  @Override
+  public Verb getRequestTokenVerb()
+  {
+    return Verb.GET;
+  }
+
+	@Override
+	public String getRequestTokenEndpoint()
+  {
+		return "https://www.evernote.com/oauth";
+	}
+
+	@Override
+	public Verb getAccessTokenVerb()
+	{
+	  return Verb.GET;
+	}
+
+	@Override
+	public String getAccessTokenEndpoint()
+	{
+		return "https://www.evernote.com/oauth";
+	}
+	
+	@Override
+	public String getAuthorizationUrl(Token requestToken)
+	{
+	  return String.format(AUTHORIZATION_URL, requestToken.getToken());
+	}
+
+	public static class Sandbox extends EvernoteApi
+	{
+	  private static final String SANDBOX_URL = "https://sandbox.evernote.com/oauth";
+
+	  @Override
+	  public String getRequestTokenEndpoint()
+	  {
+	    return SANDBOX_URL;
+	  }
+
+	  @Override
+	  public String getAccessTokenEndpoint()
+	  {
+	    return SANDBOX_URL;
+	  }
+
+	  @Override
+	  public String getAuthorizationUrl(Token requestToken)
+	  {
+	    return String.format(SANDBOX_URL + "?oauth_token=%s", requestToken.getToken());
+	  }
+	}
+}

src/main/java/org/scribe/builder/api/FacebookApi.java

@@ -0,0 +1,33 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.*;
+
+import org.scribe.utils.*;
+
+public class FacebookApi extends DefaultApi20
+{
+  private static final String AUTHORIZE_URL = "https://www.facebook.com/dialog/oauth?client_id=%s&redirect_uri=%s";
+  private static final String SCOPED_AUTHORIZE_URL = AUTHORIZE_URL + "&scope=%s";
+
+  @Override
+  public String getAccessTokenEndpoint()
+  {
+    return "https://graph.facebook.com/oauth/access_token";
+  }
+
+  @Override
+  public String getAuthorizationUrl(OAuthConfig config)
+  {
+    Preconditions.checkValidUrl(config.getCallback(), "Must provide a valid url as callback. Facebook does not support OOB");
+
+    // Append scope if present
+    if(config.hasScope())
+    {
+     return String.format(SCOPED_AUTHORIZE_URL, config.getApiKey(), OAuthEncoder.encode(config.getCallback()), OAuthEncoder.encode(config.getScope()));
+    }
+    else
+    {
+      return String.format(AUTHORIZE_URL, config.getApiKey(), OAuthEncoder.encode(config.getCallback()));
+    }
+  }
+}

src/main/java/org/scribe/builder/api/Foursquare2Api.java

@@ -0,0 +1,29 @@
+package org.scribe.builder.api;
+
+import org.scribe.extractors.*;
+import org.scribe.model.*;
+import org.scribe.utils.*;
+
+public class Foursquare2Api extends DefaultApi20
+{
+  private static final String AUTHORIZATION_URL = "https://foursquare.com/oauth2/authenticate?client_id=%s&response_type=code&redirect_uri=%s";
+
+  @Override
+  public String getAccessTokenEndpoint()
+  {
+    return "https://foursquare.com/oauth2/access_token?grant_type=authorization_code";
+  }
+
+  @Override
+  public String getAuthorizationUrl(OAuthConfig config)
+  {
+    Preconditions.checkValidUrl(config.getCallback(), "Must provide a valid url as callback. Foursquare2 does not support OOB");
+    return String.format(AUTHORIZATION_URL, config.getApiKey(), OAuthEncoder.encode(config.getCallback()));
+  }
+
+  @Override
+  public AccessTokenExtractor getAccessTokenExtractor()
+  {
+    return new JsonTokenExtractor();
+  }
+}

src/main/java/org/scribe/builder/api/FoursquareApi.java

@@ -1,7 +1,11 @@
 package org.scribe.builder.api;
 
+import org.scribe.model.Token;
+
 public class FoursquareApi extends DefaultApi10a
 {
+  private static final String AUTHORIZATION_URL = "http://foursquare.com/oauth/authorize?oauth_token=%s";
+  
   @Override
   public String getAccessTokenEndpoint()
   {
@@ -13,4 +17,10 @@ public class FoursquareApi extends DefaultApi10a
   {
     return "http://foursquare.com/oauth/request_token";
   }
+  
+  @Override
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return String.format(AUTHORIZATION_URL, requestToken.getToken());
+  }
 }

src/main/java/org/scribe/builder/api/GoogleApi.java

@@ -1,16 +1,38 @@
 package org.scribe.builder.api;
 
+import org.scribe.model.*;
+
 public class GoogleApi extends DefaultApi10a
 {
+  private static final String AUTHORIZATION_URL = "https://www.google.com/accounts/OAuthAuthorizeToken?oauth_token=%s";
+  
   @Override
   public String getAccessTokenEndpoint()
   {
-    return "https://www.google.com/accounts/OAuthGetRequestToken"; 
+    return "https://www.google.com/accounts/OAuthGetAccessToken"; 
   }
 
   @Override
   public String getRequestTokenEndpoint()
   {
-    return "https://www.google.com/accounts/OAuthGetAccessToken";
+    return "https://www.google.com/accounts/OAuthGetRequestToken";
+  }
+
+  @Override
+  public Verb getAccessTokenVerb()
+  {
+    return Verb.GET;
+  }
+
+  @Override
+  public Verb getRequestTokenVerb()
+  {
+    return Verb.GET;
+  }
+  
+  @Override
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return String.format(AUTHORIZATION_URL, requestToken.getToken());
   }
 }

src/main/java/org/scribe/builder/api/KaixinApi.java

@@ -0,0 +1,40 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.*;
+
+public class KaixinApi extends DefaultApi10a 
+{
+	private static final String REQUEST_TOKEN_URL = "http://api.kaixin001.com/oauth/request_token";
+	private static final String ACCESS_TOKEN_URL = "http://api.kaixin001.com/oauth/access_token";
+	private static final String AUTHORIZE_URL = "http://api.kaixin001.com/oauth/authorize?oauth_token=%s";
+
+	@Override
+	public String getRequestTokenEndpoint() 
+	{
+		return REQUEST_TOKEN_URL;
+	}
+
+	@Override
+	public String getAccessTokenEndpoint() 
+	{
+		return ACCESS_TOKEN_URL;
+	}
+
+	@Override
+	public String getAuthorizationUrl(Token requestToken) 
+	{
+		return String.format(AUTHORIZE_URL, requestToken.getToken());
+	}
+
+	@Override
+	public Verb getRequestTokenVerb() 
+	{
+		return Verb.GET;
+	}
+
+	@Override
+	public Verb getAccessTokenVerb() 
+	{
+		return Verb.GET;
+	}
+}

src/main/java/org/scribe/builder/api/LinkedInApi.java

@@ -1,10 +1,10 @@
 package org.scribe.builder.api;
 
-import org.scribe.extensions.linkedin.*;
-import org.scribe.extractors.*;
+import org.scribe.model.*;
 
 public class LinkedInApi extends DefaultApi10a
 {
+  private static final String AUTHORIZE_URL = "https://api.linkedin.com/uas/oauth/authorize?oauth_token=%s";
 
   @Override
   public String getAccessTokenEndpoint()
@@ -19,9 +19,9 @@ public class LinkedInApi extends DefaultApi10a
   }
   
   @Override
-  public BaseStringExtractor getBaseStringExtractor()
+  public String getAuthorizationUrl(Token requestToken)
   {
-    return new LinkedInBaseStringExtractorImpl();
+    return String.format(AUTHORIZE_URL, requestToken.getToken());
   }
-
+  
 }

src/main/java/org/scribe/builder/api/LiveApi.java

@@ -0,0 +1,40 @@
+package org.scribe.builder.api;
+
+import org.scribe.extractors.*;
+import org.scribe.model.*;
+import org.scribe.utils.*;
+
+public class LiveApi extends DefaultApi20
+{
+
+	private static final String AUTHORIZE_URL = "https://oauth.live.com/authorize?client_id=%s&redirect_uri=%s&response_type=code";
+	private static final String SCOPED_AUTHORIZE_URL = AUTHORIZE_URL + "&scope=%s";
+
+	@Override
+	public String getAccessTokenEndpoint()
+	{
+		return "https://oauth.live.com/token?grant_type=authorization_code";
+	}
+
+	@Override
+	public String getAuthorizationUrl(OAuthConfig config)
+	{
+		Preconditions.checkValidUrl(config.getCallback(), "Must provide a valid url as callback. Live does not support OOB");
+
+		// Append scope if present
+		if (config.hasScope())
+		{
+			return String.format(SCOPED_AUTHORIZE_URL, config.getApiKey(), OAuthEncoder.encode(config.getCallback()), OAuthEncoder.encode(config.getScope()));
+		}
+    else
+		{
+			return String.format(AUTHORIZE_URL, config.getApiKey(), OAuthEncoder.encode(config.getCallback()));
+		}
+	}
+
+	@Override
+	public AccessTokenExtractor getAccessTokenExtractor()
+	{
+		return new JsonTokenExtractor();
+	}
+}

src/main/java/org/scribe/builder/api/LoveFilmApi.java

@@ -0,0 +1,28 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.Token;
+
+public class LoveFilmApi extends DefaultApi10a
+{
+  private static final String REQUEST_TOKEN_URL = "http://openapi.lovefilm.com/oauth/request_token";
+  private static final String ACCESS_TOKEN_URL = "http://openapi.lovefilm.com/oauth/access_token";
+  private static final String AUTHORIZE_URL = "https://www.lovefilm.com/activate?oauth_token=%s";
+
+  @Override
+  public String getRequestTokenEndpoint()
+  {
+    return REQUEST_TOKEN_URL;
+  }
+
+  @Override
+  public String getAccessTokenEndpoint()
+  {
+    return ACCESS_TOKEN_URL;
+  }
+
+  @Override
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return String.format(AUTHORIZE_URL, requestToken.getToken());
+  }
+}

src/main/java/org/scribe/builder/api/NeteaseWeibooApi.java

@@ -0,0 +1,47 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.*;
+
+public class NeteaseWeibooApi extends DefaultApi10a
+{
+	private static final String REQUEST_TOKEN_URL = "http://api.t.163.com/oauth/request_token";
+	private static final String ACCESS_TOKEN_URL = "http://api.t.163.com/oauth/access_token";
+	private static final String AUTHORIZE_URL = "http://api.t.163.com/oauth/authorize?oauth_token=%s";
+	private static final String AUTHENTICATE_URL = "http://api.t.163.com/oauth/authenticate?oauth_token=%s";
+
+	@Override
+	public String getRequestTokenEndpoint() 
+	{
+		return REQUEST_TOKEN_URL;
+	}
+
+	@Override
+	public String getAccessTokenEndpoint()
+	{
+		return ACCESS_TOKEN_URL;
+	}
+
+	@Override
+	/**
+	 * this method will ignore your callback
+	 * if you're creating a desktop client please choose this url
+	 * else your can call getAuthenticateUrl
+	 * 
+	 * via http://open.t.163.com/wiki/index.php?title=%E8%AF%B7%E6%B1%82%E7%94%A8%E6%88%B7%E6%8E%88%E6%9D%83Token(oauth/authorize)
+	 */
+	public String getAuthorizationUrl(Token requestToken)
+	{
+		return String.format(AUTHORIZE_URL, requestToken.getToken());
+	}
+
+	/**
+	 * this method is for web client with callback url
+	 * if you're creating a desktop client please call getAuthorizationUrl 
+	 * 
+	 * via http://open.t.163.com/wiki/index.php?title=%E8%AF%B7%E6%B1%82%E7%94%A8%E6%88%B7%E6%8E%88%E6%9D%83Token(oauth/authenticate)
+	 */
+	public String getAuthenticateUrl(Token requestToken)
+	{
+		return String.format(AUTHENTICATE_URL, requestToken.getToken());
+	}
+}

src/main/java/org/scribe/builder/api/PlurkApi.java

@@ -0,0 +1,39 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.Token;
+
+public class PlurkApi extends DefaultApi10a
+{
+  private static final String REQUEST_TOKEN_URL = "http://www.plurk.com/OAuth/request_token";
+  private static final String AUTHORIZATION_URL = "http://www.plurk.com/OAuth/authorize?oauth_token=%s";
+  private static final String ACCESS_TOKEN_URL = "http://www.plurk.com/OAuth/access_token";
+
+  @Override
+  public String getRequestTokenEndpoint()
+  {
+    return REQUEST_TOKEN_URL;
+  }
+
+  @Override
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return String.format(AUTHORIZATION_URL, requestToken.getToken());
+  }
+
+  @Override
+  public String getAccessTokenEndpoint()
+  {
+    return ACCESS_TOKEN_URL;
+  }
+
+  public class Mobile extends PlurkApi
+  {
+    private static final String AUTHORIZATION_URL = "http://www.plurk.com/m/authorize?oauth_token=%s";
+
+    @Override
+    public String getAuthorizationUrl(Token requestToken)
+    {
+      return String.format(AUTHORIZATION_URL, requestToken.getToken());
+    }
+  }
+}

src/main/java/org/scribe/builder/api/QWeiboApi.java

@@ -0,0 +1,28 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.*;
+
+public class QWeiboApi extends DefaultApi10a 
+{
+	private static final String REQUEST_TOKEN_URL = "https://open.t.qq.com/cgi-bin/request_token";
+	private static final String ACCESS_TOKEN_URL = "https://open.t.qq.com/cgi-bin/access_token";
+	private static final String AUTHORIZE_URL = "https://open.t.qq.com/cgi-bin/authorize?oauth_token=%s";
+
+	@Override
+	public String getRequestTokenEndpoint() 
+	{
+		return REQUEST_TOKEN_URL;
+	}
+
+	@Override
+	public String getAccessTokenEndpoint() 
+	{
+		return ACCESS_TOKEN_URL;
+	}
+
+	@Override
+	public String getAuthorizationUrl(Token requestToken) 
+	{
+		return String.format(AUTHORIZE_URL, requestToken.getToken());
+	}
+}

src/main/java/org/scribe/builder/api/SapoApi.java

@@ -0,0 +1,40 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.*;
+
+public class SapoApi extends DefaultApi10a
+{
+  private static final String AUTHORIZE_URL = "https://id.sapo.pt/oauth/authorize?oauth_token=%s";
+  private static final String ACCESS_URL = "https://id.sapo.pt/oauth/access_token";
+  private static final String REQUEST_URL = "https://id.sapo.pt/oauth/request_token";
+
+  @Override
+  public String getAccessTokenEndpoint()
+  {
+    return ACCESS_URL;
+  }
+
+  @Override
+  public String getRequestTokenEndpoint()
+  {
+    return REQUEST_URL;
+  }
+
+  @Override
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return String.format(AUTHORIZE_URL, requestToken.getToken());
+  }
+
+  @Override
+  public Verb getRequestTokenVerb()
+  {
+    return Verb.GET;
+  }
+
+  @Override
+  public Verb getAccessTokenVerb()
+  {
+    return Verb.GET;
+  }
+}

src/main/java/org/scribe/builder/api/SimpleGeoApi.java

@@ -0,0 +1,29 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.Token;
+
+/**
+ * @author: Pablo Fernandez
+ */
+public class SimpleGeoApi extends DefaultApi10a
+{
+  private static final String ENDPOINT = "these are not used since SimpleGeo uses 2 legged OAuth";
+
+	@Override
+	public String getRequestTokenEndpoint()
+	{
+		return ENDPOINT;
+	}
+
+	@Override
+	public String getAccessTokenEndpoint()
+	{
+		return ENDPOINT;
+	}
+
+	@Override
+	public String getAuthorizationUrl(Token requestToken)
+	{
+		return ENDPOINT;
+	}
+}

src/main/java/org/scribe/builder/api/SinaWeiboApi.java

@@ -0,0 +1,28 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.*;
+
+public class SinaWeiboApi extends DefaultApi10a
+{
+	private static final String REQUEST_TOKEN_URL = "http://api.t.sina.com.cn/oauth/request_token";
+	private static final String ACCESS_TOKEN_URL = "http://api.t.sina.com.cn/oauth/access_token";
+	private static final String AUTHORIZE_URL = "http://api.t.sina.com.cn/oauth/authorize?oauth_token=%s";
+
+	@Override
+	public String getRequestTokenEndpoint()
+	{
+		return REQUEST_TOKEN_URL;
+	}
+
+	@Override
+	public String getAccessTokenEndpoint()
+	{
+		return ACCESS_TOKEN_URL;
+	}
+
+	@Override
+	public String getAuthorizationUrl(Token requestToken)
+	{
+		return String.format(AUTHORIZE_URL, requestToken.getToken());
+	}
+}

src/main/java/org/scribe/builder/api/SohuWeiboApi.java

@@ -0,0 +1,28 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.*;
+
+public class SohuWeiboApi extends DefaultApi10a
+{
+	private static final String REQUEST_TOKEN_URL = "http://api.t.sohu.com/oauth/request_token";
+	private static final String ACCESS_TOKEN_URL = "http://api.t.sohu.com/oauth/access_token";
+	private static final String AUTHORIZE_URL = "http://api.t.sohu.com/oauth/authorize?oauth_token=%s";
+
+	@Override
+	public String getRequestTokenEndpoint()
+	{
+		return REQUEST_TOKEN_URL;
+	}
+
+	@Override
+	public String getAccessTokenEndpoint()
+	{
+		return ACCESS_TOKEN_URL;
+	}
+
+	@Override
+	public String getAuthorizationUrl(Token requestToken)
+	{
+		return String.format(AUTHORIZE_URL, requestToken.getToken());
+	}
+}

src/main/java/org/scribe/builder/api/TwitterApi.java

@@ -1,16 +1,66 @@
 package org.scribe.builder.api;
 
+import org.scribe.model.Token;
+
 public class TwitterApi extends DefaultApi10a
 {
+  private static final String AUTHORIZE_URL = "https://api.twitter.com/oauth/authorize?oauth_token=%s";
+  private static final String REQUEST_TOKEN_RESOURCE = "api.twitter.com/oauth/request_token";
+  private static final String ACCESS_TOKEN_RESOURCE = "api.twitter.com/oauth/access_token";
+  
   @Override
   public String getAccessTokenEndpoint()
   {
-    return "http://twitter.com/oauth/access_token";
+    return "http://" + ACCESS_TOKEN_RESOURCE;
   }
 
   @Override
   public String getRequestTokenEndpoint()
   {
-    return "http://twitter.com/oauth/request_token";
+    return "http://" + REQUEST_TOKEN_RESOURCE;
   }
+
+  @Override
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return String.format(AUTHORIZE_URL, requestToken.getToken());
+  }
+
+  public static class SSL extends TwitterApi
+  {
+    @Override
+    public String getAccessTokenEndpoint()
+    {
+      return "https://" + ACCESS_TOKEN_RESOURCE;
+    }
+
+    @Override
+    public String getRequestTokenEndpoint()
+    {
+      return "https://" + REQUEST_TOKEN_RESOURCE;
+    }
+  }
+
+  /**
+   * Twitter 'friendlier' authorization endpoint for OAuth.
+   *
+   * Uses SSL.
+   */
+  public static class Authenticate extends SSL
+  {
+    private static final String AUTHENTICATE_URL = "https://api.twitter.com/oauth/authenticate?oauth_token=%s";
+
+    @Override
+    public String getAuthorizationUrl(Token requestToken)
+    {
+      return String.format(AUTHENTICATE_URL, requestToken.getToken());
+    }
+  }
+
+  /**
+   * Just an alias to the default (SSL) authorization endpoint.
+   *
+   * Need to include this for symmetry with 'Authenticate' only.
+   */
+  public static class Authorize extends SSL{}
 }

src/main/java/org/scribe/builder/api/VimeoApi.java

@@ -0,0 +1,26 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.Token;
+
+public class VimeoApi extends DefaultApi10a
+{
+  private static final String AUTHORIZATION_URL = "http://vimeo.com/oauth/authorize?oauth_token=%s";
+  
+  @Override
+  public String getAccessTokenEndpoint()
+  {
+    return "http://vimeo.com/oauth/access_token";
+  }
+
+  @Override
+  public String getRequestTokenEndpoint()
+  {
+    return "http://vimeo.com/oauth/request_token";
+  }
+  
+  @Override
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return String.format(AUTHORIZATION_URL, requestToken.getToken());
+  }
+}

src/main/java/org/scribe/builder/api/VkontakteApi.java

@@ -0,0 +1,41 @@
+package org.scribe.builder.api;
+
+import org.scribe.extractors.*;
+import org.scribe.utils.*;
+import org.scribe.model.*;
+
+/**
+ * @author Boris G. Tsirkin <mail@dotbg.name>
+ * @since 20.4.2011
+ */
+public class VkontakteApi extends DefaultApi20
+{
+  private static final String AUTHORIZE_URL = "https://api.vkontakte.ru/oauth/authorize?client_id=%s&redirect_uri=%s&response_type=code";
+  private static final String SCOPED_AUTHORIZE_URL = String.format("%s&scope=%%s", AUTHORIZE_URL);
+
+  @Override
+  public String getAccessTokenEndpoint()
+  {
+    return "https://api.vkontakte.ru/oauth/access_token";
+  }
+
+  @Override
+  public String getAuthorizationUrl(OAuthConfig config)
+  {
+    Preconditions.checkValidUrl(config.getCallback(), "Valid url is required for a callback. Vkontakte does not support OOB");
+    if(config.hasScope())// Appending scope if present
+    {
+     return String.format(SCOPED_AUTHORIZE_URL, config.getApiKey(), OAuthEncoder.encode(config.getCallback()), OAuthEncoder.encode(config.getScope()));
+    }
+    else
+    {
+      return String.format(AUTHORIZE_URL, config.getApiKey(), OAuthEncoder.encode(config.getCallback()));
+    }
+  }
+
+  @Override
+  public AccessTokenExtractor getAccessTokenExtractor()
+  {
+    return new JsonTokenExtractor();
+  }
+}

src/main/java/org/scribe/builder/api/YahooApi.java

@@ -1,7 +1,11 @@
 package org.scribe.builder.api;
 
+import org.scribe.model.Token;
+
 public class YahooApi extends DefaultApi10a
 {
+  private static final String AUTHORIZE_URL = "https://api.login.yahoo.com/oauth/v2/request_auth?oauth_token=%s";
+  
   @Override
   public String getAccessTokenEndpoint()
   {
@@ -13,4 +17,10 @@ public class YahooApi extends DefaultApi10a
   {
     return "https://api.login.yahoo.com/oauth/v2/get_request_token";
   }
+  
+  @Override
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return String.format(AUTHORIZE_URL, requestToken.getToken());
+  }
 }

src/main/java/org/scribe/builder/api/YammerApi.java

@@ -0,0 +1,33 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.*;
+import org.scribe.services.*;
+
+public class YammerApi extends DefaultApi10a
+{
+  private static final String AUTHORIZATION_URL = "'https://www.yammer.com/oauth/authorize?oauth_token=%s'";
+
+  @Override
+  public String getRequestTokenEndpoint()
+  {
+    return "https://www.yammer.com/oauth/request_token";
+  }
+
+  @Override
+  public String getAccessTokenEndpoint()
+  {
+    return "https://www.yammer.com/oauth/access_token";
+  }
+
+  @Override
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return String.format(AUTHORIZATION_URL, requestToken.getToken());
+  }
+
+  @Override
+  public SignatureService getSignatureService()
+  {
+    return new PlaintextSignatureService();
+  }
+}

src/main/java/org/scribe/exceptions/OAuthException.java

@@ -1,18 +1,33 @@
 package org.scribe.exceptions;
 
+/**
+ * Default scribe exception. 
+ * Represents a problem in the OAuth signing process
+ * 
+ * @author Pablo Fernandez
+ */
 public class OAuthException extends RuntimeException
 {
 
+  /**
+   * Default constructor 
+   * @param message message explaining what went wrong
+   * @param e original exception
+   */
   public OAuthException(String message, Exception e)
   {
     super(message, e);
   }
 
+  /**
+   * No-exception constructor. Used when there is no original exception
+   *  
+   * @param message message explaining what went wrong
+   */
   public OAuthException(String message)
   {
     super(message, null);
   }
 
   private static final long serialVersionUID = 1L;
-
 }

src/main/java/org/scribe/exceptions/OAuthParametersMissingException.java

@@ -2,6 +2,11 @@ package org.scribe.exceptions;
 
 import org.scribe.model.*;
 
+/**
+ * Specialized exception that represents a missing OAuth parameter. 
+ * 
+ * @author Pablo Fernandez
+ */
 public class OAuthParametersMissingException extends OAuthException
 {
 
@@ -9,6 +14,11 @@ public class OAuthParametersMissingException extends OAuthException
   private static final String MSG = "Could not find oauth parameters in request: %s. "
       + "OAuth parameters must be specified with the addOAuthParameter() method";
 
+  /**
+   * Default constructor.
+   * 
+   * @param request OAuthRequest that caused the error
+   */
   public OAuthParametersMissingException(OAuthRequest request)
   {
     super(String.format(MSG, request));

src/main/java/org/scribe/exceptions/OAuthSignatureException.java

@@ -1,9 +1,20 @@
 package org.scribe.exceptions;
 
+/**
+ * Specialized exception that represents a problem in the signature
+ * 
+ * @author Pablo Fernandez
+ */
 public class OAuthSignatureException extends OAuthException
 {
   private static final long serialVersionUID = 1L;
   
+  /**
+   * Default constructor
+   * 
+   * @param stringToSign plain string that gets signed (HMAC-SHA, etc)
+   * @param e original exception
+   */
   public OAuthSignatureException(String stringToSign, Exception e)
   {
     super("Error while signing string: " + stringToSign, e);

src/main/java/org/scribe/extensions/linkedin/LinkedInBaseStringExtractorImpl.java

@@ -1,15 +0,0 @@
-package org.scribe.extensions.linkedin;
-
-import org.scribe.extractors.*;
-import org.scribe.model.*;
-
-public class LinkedInBaseStringExtractorImpl extends BaseStringExtractorImpl
-{
-
-  @Override
-  public String extract(OAuthRequest request)
-  {
-    String baseString = super.extract(request);
-    return baseString.replace("%7E", "~");
-  }
-}

src/main/java/org/scribe/extractors/AccessTokenExtractor.java

@@ -2,7 +2,18 @@ package org.scribe.extractors;
 
 import org.scribe.model.*;
 
+/**
+ * Simple command object that extracts a {@link Token} from a String
+ * 
+ * @author Pablo Fernandez
+ */
 public interface AccessTokenExtractor
 {
+  /**
+   * Extracts the access token from the contents of an Http Response
+   *  
+   * @param response the contents of the response
+   * @return OAuth access token
+   */
   public Token extract(String response);
 }

src/main/java/org/scribe/extractors/BaseStringExtractor.java

@@ -2,7 +2,20 @@ package org.scribe.extractors;
 
 import org.scribe.model.*;
 
+/**
+ * Simple command object that extracts a base string from a {@link OAuthRequest}
+ * 
+ * @author Pablo Fernandez
+ */
 public interface BaseStringExtractor
 {
+  /**
+   * Extracts an url-encoded base string from the {@link OAuthRequest}.
+   * 
+   * See <a href="http://oauth.net/core/1.0/#anchor14">the oauth spec</a> for more info on this.
+   * 
+   * @param request the OAuthRequest
+   * @return the url-encoded base string
+   */
   String extract(OAuthRequest request);
 }

src/main/java/org/scribe/extractors/BaseStringExtractorImpl.java

@@ -1,33 +1,39 @@
 package org.scribe.extractors;
 
-import java.util.*;
-
 import org.scribe.exceptions.*;
 import org.scribe.model.*;
 import org.scribe.utils.*;
 
+/**
+ * Default implementation of {@link BaseStringExtractor}. Conforms to OAuth 1.0a
+ * 
+ * @author Pablo Fernandez
+ *
+ */
 public class BaseStringExtractorImpl implements BaseStringExtractor
 {
 
   private static final String AMPERSAND_SEPARATED_STRING = "%s&%s&%s";
 
+  /**
+   * {@inheritDoc}
+   */
   public String extract(OAuthRequest request)
   {
     checkPreconditions(request);
-    String verb = URLUtils.percentEncode(request.getVerb().name());
-    String url = URLUtils.percentEncode(request.getSanitizedUrl());
+    String verb = OAuthEncoder.encode(request.getVerb().name());
+    String url = OAuthEncoder.encode(request.getSanitizedUrl());
     String params = getSortedAndEncodedParams(request);
     return String.format(AMPERSAND_SEPARATED_STRING, verb, url, params);
   }
 
   private String getSortedAndEncodedParams(OAuthRequest request)
   {
-    Map<String, String> params = new HashMap<String, String>();
-    params.putAll(request.getQueryStringParams());
-    params.putAll(request.getBodyParams());
-    params.putAll(request.getOauthParameters());
-    params = MapUtils.sort(params);
-    return URLUtils.percentEncode(URLUtils.formURLEncodeMap(params));
+    ParameterList params = new ParameterList();
+    params.addAll(request.getQueryStringParams());
+    params.addAll(request.getBodyParams());
+    params.addAll(new ParameterList(request.getOauthParameters()));
+    return params.sort().asOauthBaseString();
   }
 
   private void checkPreconditions(OAuthRequest request)

src/main/java/org/scribe/extractors/HeaderExtractor.java

@@ -2,7 +2,18 @@ package org.scribe.extractors;
 
 import org.scribe.model.*;
 
+/**
+ * Simple command object that generates an OAuth Authorization header to include in the request.
+ * 
+ * @author Pablo Fernandez
+ */
 public interface HeaderExtractor
 {
+  /**
+   * Generates an OAuth 'Authorization' Http header to include in requests as the signature.
+   * 
+   * @param request the OAuthRequest to inspect and generate the header
+   * @return the Http header value
+   */
   String extract(OAuthRequest request);
 }

src/main/java/org/scribe/extractors/HeaderExtractorImpl.java

@@ -6,22 +6,35 @@ import org.scribe.exceptions.*;
 import org.scribe.model.*;
 import org.scribe.utils.*;
 
+/**
+ * Default implementation of {@link HeaderExtractor}. Conforms to OAuth 1.0a
+ * 
+ * @author Pablo Fernandez
+ *
+ */
 public class HeaderExtractorImpl implements HeaderExtractor
 {
-
+  private static final String PARAM_SEPARATOR = ", ";
   private static final String PREAMBLE = "OAuth ";
 
+  /**
+   * {@inheritDoc}
+   */
   public String extract(OAuthRequest request)
   {
     checkPreconditions(request);
     Map<String, String> parameters = request.getOauthParameters();
-    StringBuffer header = new StringBuffer();
+    StringBuffer header = new StringBuffer(parameters.size() * 20);
     header.append(PREAMBLE);
     for (String key : parameters.keySet())
     {
-      addToHeader(header, key, parameters.get(key));
+      if(header.length() > PREAMBLE.length())
+      { 
+        header.append(PARAM_SEPARATOR);
+      }
+      header.append(String.format("%s=\"%s\"", key, OAuthEncoder.encode(parameters.get(key))));
     }
-    return removeTrail(header);
+    return header.toString();
   }
 
   private void checkPreconditions(OAuthRequest request)
@@ -34,13 +47,4 @@ public class HeaderExtractorImpl implements HeaderExtractor
     }
   }
 
-  private void addToHeader(StringBuffer header, String name, String value)
-  {
-    header.append(String.format("%s=\"%s\", ", name, URLUtils.percentEncode(value)));
-  }
-
-  private String removeTrail(StringBuffer header)
-  {
-    return header.toString().substring(0, header.length() - 2);
-  }
 }

src/main/java/org/scribe/extractors/JsonTokenExtractor.java

@@ -0,0 +1,28 @@
+package org.scribe.extractors;
+
+import java.util.regex.*;
+
+import org.scribe.exceptions.*;
+import org.scribe.model.*;
+import org.scribe.utils.*;
+
+public class JsonTokenExtractor implements AccessTokenExtractor
+{
+  private Pattern accessTokenPattern = Pattern.compile("\"access_token\":\\s*\"(\\S*?)\"");
+
+  @Override
+  public Token extract(String response)
+  {
+    Preconditions.checkEmptyString(response, "Cannot extract a token from a null or empty String");
+    Matcher matcher = accessTokenPattern.matcher(response);
+    if(matcher.find())
+    {
+      return new Token(matcher.group(1), "", response);
+    }
+    else
+    {
+      throw new OAuthException("Cannot extract an acces token. Response was: " + response);
+    }
+  }
+
+}

src/main/java/org/scribe/extractors/RequestTokenExtractor.java

@@ -2,8 +2,18 @@ package org.scribe.extractors;
 
 import org.scribe.model.*;
 
+/**
+ * Simple command object that extracts a {@link Token} from a String
+ * 
+ * @author Pablo Fernandez
+ */
 public interface RequestTokenExtractor
 {
-
+  /**
+   * Extracts the request token from the contents of an Http Response
+   *  
+   * @param response the contents of the response
+   * @return OAuth access token
+   */
   public Token extract(String response);
 }

src/main/java/org/scribe/extractors/TokenExtractor20Impl.java

@@ -0,0 +1,36 @@
+package org.scribe.extractors;
+
+import java.util.regex.*;
+
+import org.scribe.exceptions.*;
+import org.scribe.model.*;
+import org.scribe.utils.*;
+
+/**
+ * Default implementation of {@AccessTokenExtractor}. Conforms to OAuth 2.0
+ *
+ */
+public class TokenExtractor20Impl implements AccessTokenExtractor
+{
+  private static final String TOKEN_REGEX = "access_token=([^&]+)";
+  private static final String EMPTY_SECRET = "";
+
+  /**
+   * {@inheritDoc} 
+   */
+  public Token extract(String response)
+  {
+    Preconditions.checkEmptyString(response, "Response body is incorrect. Can't extract a token from an empty string");
+
+    Matcher matcher = Pattern.compile(TOKEN_REGEX).matcher(response);
+    if (matcher.find())
+    {
+      String token = OAuthEncoder.decode(matcher.group(1));
+      return new Token(token, EMPTY_SECRET, response);
+    } 
+    else
+    {
+      throw new OAuthException("Response body is incorrect. Can't extract a token from this: '" + response + "'", null);
+    }
+  }
+}

src/main/java/org/scribe/extractors/TokenExtractorImpl.java

@@ -6,24 +6,39 @@ import org.scribe.exceptions.*;
 import org.scribe.model.*;
 import org.scribe.utils.*;
 
+/**
+ * Default implementation of {@RequestTokenExtractor} and {@AccessTokenExtractor}. Conforms to OAuth 1.0a
+ *
+ * The process for extracting access and request tokens is similar so this class can do both things.
+ * 
+ * @author Pablo Fernandez
+ */
 public class TokenExtractorImpl implements RequestTokenExtractor, AccessTokenExtractor
 {
+  private static final Pattern TOKEN_REGEX = Pattern.compile("oauth_token=([^&]+)");
+  private static final Pattern SECRET_REGEX = Pattern.compile("oauth_token_secret=([^&]+)");
 
-  private static final String TOKEN_REGEX = "oauth_token=(\\S*)&oauth_token_secret=(\\S*?)(&(.*))?";
-
+  /**
+   * {@inheritDoc} 
+   */
   public Token extract(String response)
   {
-    Preconditions.checkEmptyString(response, "Cant extract a token from null object or an empty string.");
+    Preconditions.checkEmptyString(response, "Response body is incorrect. Can't extract a token from an empty string");
+    String token = extract(response, TOKEN_REGEX);
+    String secret = extract(response, SECRET_REGEX);
+    return new Token(token, secret, response);
+  }
 
-    Matcher matcher = Pattern.compile(TOKEN_REGEX).matcher(response);
-    if (matcher.matches())
+  private String extract(String response, Pattern p)
+  {
+    Matcher matcher = p.matcher(response);
+    if (matcher.find() && matcher.groupCount() >= 1)
     {
-      String token = URLUtils.percentDecode(matcher.group(1));
-      String secret = URLUtils.percentDecode(matcher.group(2));
-      return new Token(token, secret);
-    } else
+      return OAuthEncoder.decode(matcher.group(1));
+    }
+    else
     {
-      throw new OAuthException("Could not find request token or secret in response: " + response, null);
+      throw new OAuthException("Response body is incorrect. Can't extract token and secret from this: '" + response + "'", null);
     }
   }
 }

src/main/java/org/scribe/model/OAuthConfig.java

@@ -1,83 +1,79 @@
 package org.scribe.model;
 
+import java.io.*;
+
+/**
+ * Parameter object that groups OAuth config values
+ * 
+ * @author Pablo Fernandez
+ */
 public class OAuthConfig
 {
-  private String apiKey;
-  private String apiSecret;
-  private String callback;
-  private String requestTokenEndpoint;
-  private String accessTokenEndpoint;
-  private Verb requestTokenVerb;
-  private Verb accessTokenVerb;
+  private final String apiKey;
+  private final String apiSecret;
+  private final String callback;
+  private final SignatureType signatureType;
+  private final String scope;
+  private final OutputStream debugStream;
+  
+  public OAuthConfig(String key, String secret)
+  {
+    this(key, secret, null, null, null, null);
+  }
+
+  public OAuthConfig(String key, String secret, String callback, SignatureType type, String scope, OutputStream stream)
+  {
+    this.apiKey = key;
+    this.apiSecret = secret;
+    this.callback = callback;
+    this.signatureType = type;
+    this.scope = scope;
+    this.debugStream = stream;
+  }
 
   public String getApiKey()
   {
     return apiKey;
   }
 
-  public void setApiKey(String apiKey)
-  {
-    this.apiKey = apiKey;
-  }
-
   public String getApiSecret()
   {
     return apiSecret;
   }
 
-  public void setApiSecret(String apiSecret)
-  {
-    this.apiSecret = apiSecret;
-  }
-
   public String getCallback()
   {
-    return callback != null ? callback : OAuthConstants.OUT_OF_BAND;
+    return callback;
   }
 
-  public void setCallback(String callback)
+  public SignatureType getSignatureType()
   {
-    this.callback = callback;
+    return signatureType;
   }
 
-  public String getRequestTokenEndpoint()
+  public String getScope()
   {
-    return requestTokenEndpoint;
+    return scope;
   }
 
-  public void setRequestTokenEndpoint(String requestTokenEndpoint)
+  public boolean hasScope()
   {
-    this.requestTokenEndpoint = requestTokenEndpoint;
+    return scope != null;
   }
 
-  public String getAccessTokenEndpoint()
+  public void log(String message)
   {
-    return accessTokenEndpoint;
+    if (debugStream != null)
+    {
+      message = message + "\n";
+      try
+      {
+        debugStream.write(message.getBytes("UTF8"));
+      }
+      catch (Exception e)
+      {
+        // do nothing.
+      }
+    }
   }
-
-  public void setAccessTokenEndpoint(String accessTokenEndpoint)
-  {
-    this.accessTokenEndpoint = accessTokenEndpoint;
-  }
-
-  public Verb getRequestTokenVerb()
-  {
-    return requestTokenVerb != null ? requestTokenVerb : Verb.GET;
-  }
-
-  public void setRequestTokenVerb(Verb requestTokenVerb)
-  {
-    this.requestTokenVerb = requestTokenVerb;
-  }
-
-  public Verb getAccessTokenVerb()
-  {
-    return accessTokenVerb != null ? accessTokenVerb : Verb.GET;
-  }
-
-  public void setAccessTokenVerb(Verb accessTokenVerb)
-  {
-    this.accessTokenVerb = accessTokenVerb;
-  }
-
-}
+}

src/main/java/org/scribe/model/OAuthConstants.java

@@ -19,7 +19,6 @@ package org.scribe.model;
  * This class contains OAuth constants, used project-wide
  * 
  * @author Pablo Fernandez
- * 
  */
 public class OAuthConstants
 {
@@ -38,4 +37,13 @@ public class OAuthConstants
   public static final String VERIFIER = "oauth_verifier";
   public static final String HEADER = "Authorization";
   public static final Token EMPTY_TOKEN = new Token("", "");
+  public static final String SCOPE = "scope";
+
+  //OAuth 2.0
+  public static final String ACCESS_TOKEN = "access_token";
+  public static final String CLIENT_ID = "client_id";
+  public static final String CLIENT_SECRET = "client_secret";
+  public static final String REDIRECT_URI = "redirect_uri";
+  public static final String CODE = "code";
+  
 }

src/main/java/org/scribe/model/OAuthParams.java

@@ -1,6 +0,0 @@
-package org.scribe.model;
-
-public class OAuthParams
-{
-
-}

src/main/java/org/scribe/model/OAuthRequest.java

@@ -2,18 +2,38 @@ package org.scribe.model;
 
 import java.util.*;
 
+/**
+ * The representation of an OAuth HttpRequest.
+ * 
+ * Adds OAuth-related functionality to the {@link Request}  
+ * 
+ * @author Pablo Fernandez
+ */
 public class OAuthRequest extends Request
 {
-
   private static final String OAUTH_PREFIX = "oauth_";
   private Map<String, String> oauthParameters;
 
+  /**
+   * Default constructor.
+   * 
+   * @param verb Http verb/method
+   * @param url resource URL
+   */
   public OAuthRequest(Verb verb, String url)
   {
     super(verb, url);
     this.oauthParameters = new HashMap<String, String>();
   }
 
+  /**
+   * Adds an OAuth parameter.
+   * 
+   * @param key name of the parameter
+   * @param value value of the parameter
+   * 
+   * @throws IllegalArgumentException if the parameter is not an OAuth parameter
+   */
   public void addOAuthParameter(String key, String value)
   {
     oauthParameters.put(checkKey(key), value);
@@ -21,15 +41,21 @@ public class OAuthRequest extends Request
 
   private String checkKey(String key)
   {
-    if (!key.startsWith(OAUTH_PREFIX))
-    {
-      throw new IllegalArgumentException(String.format("OAuth parameters must start with '%s'", OAUTH_PREFIX));
-    } else
+    if (key.startsWith(OAUTH_PREFIX) || key.equals(OAuthConstants.SCOPE))
     {
       return key;
+    } 
+    else
+    {
+      throw new IllegalArgumentException(String.format("OAuth parameters must either be '%s' or start with '%s'", OAuthConstants.SCOPE, OAUTH_PREFIX));
     }
   }
 
+  /**
+   * Returns the {@link Map} containing the key-value pair of parameters.
+   * 
+   * @return parameters as map
+   */
   public Map<String, String> getOauthParameters()
   {
     return oauthParameters;

src/main/java/org/scribe/model/Parameter.java

@@ -0,0 +1,50 @@
+package org.scribe.model;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import org.scribe.exceptions.OAuthException;
+import org.scribe.utils.OAuthEncoder;
+
+/**
+ * @author: Pablo Fernandez
+ */
+public class Parameter implements Comparable<Parameter>
+{
+  private static final String UTF = "UTF8";
+
+  private final String key;
+  private final String value;
+
+  public Parameter(String key, String value)
+  {
+    this.key = key;
+    this.value = value;
+  }
+
+  public String asUrlEncodedPair()
+  {
+    return OAuthEncoder.encode(key).concat("=").concat(OAuthEncoder.encode(value));
+  }
+  
+  public boolean equals(Object other)
+  {
+    if(other == null) return false;
+    if(other == this) return true;
+    if(!(other instanceof Parameter)) return false;
+    
+    Parameter otherParam = (Parameter) other;
+    return otherParam.key.equals(key) && otherParam.value.equals(value);
+  }
+
+  public int hashCode()
+  {
+    return key.hashCode() + value.hashCode();
+  }
+
+  public int compareTo(Parameter parameter)
+  {
+    int keyDiff = key.compareTo(parameter.key);
+
+    return keyDiff != 0 ? keyDiff : value.compareTo(parameter.value);
+  }
+}

src/main/java/org/scribe/model/ParameterList.java

@@ -0,0 +1,123 @@
+package org.scribe.model;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import org.scribe.utils.OAuthEncoder;
+import org.scribe.utils.Preconditions;
+
+/**
+ * @author: Pablo Fernandez
+ */
+public class ParameterList
+{
+  private static final char QUERY_STRING_SEPARATOR = '?';
+  private static final String PARAM_SEPARATOR = "&";
+  private static final String PAIR_SEPARATOR = "=";
+  private static final String EMPTY_STRING = "";
+
+  private final List<Parameter> params;
+
+  public ParameterList()
+  {
+    params = new ArrayList<Parameter>();
+  }
+
+  ParameterList(List<Parameter> params)
+  {
+    this.params = new ArrayList<Parameter>(params);
+  }
+
+  public ParameterList(Map<String, String> map)
+  {
+    this();
+    for(Map.Entry<String, String> entry : map.entrySet())
+    {
+      params.add(new Parameter(entry.getKey(), entry.getValue()));
+    }
+  }
+  
+  public void add(String key, String value)
+  {
+    params.add(new Parameter(key, value));
+  }
+
+  public String appendTo(String url)
+  {
+    Preconditions.checkNotNull(url, "Cannot append to null URL");
+    String queryString = asFormUrlEncodedString();
+    if (queryString.equals(EMPTY_STRING))
+    {
+      return url;
+    }
+    else
+    {
+      url += url.indexOf(QUERY_STRING_SEPARATOR) != -1 ? PARAM_SEPARATOR : QUERY_STRING_SEPARATOR;
+      url += queryString;
+      return url;
+    }
+  }
+
+  public String asOauthBaseString()
+  {
+    try
+    {
+      return URLEncoder.encode(asFormUrlEncodedString(), "UTF8");
+    }
+    catch (UnsupportedEncodingException uee)
+    {
+     throw new RuntimeException();
+    }
+  }
+
+  public String asFormUrlEncodedString()
+  {
+    if (params.size() == 0) return EMPTY_STRING;
+
+    StringBuilder builder = new StringBuilder();
+    for(Parameter p : params)
+    {
+      builder.append('&').append(p.asUrlEncodedPair());
+    }
+    return builder.toString().substring(1);
+  }
+
+  public void addAll(ParameterList other)
+  {
+    params.addAll(other.params);
+  }
+
+  public void addQuerystring(String queryString)
+  {
+    if (queryString != null && queryString.length() > 0)
+    {
+      for (String param : queryString.split(PARAM_SEPARATOR))
+      {
+        String pair[] = param.split(PAIR_SEPARATOR);
+        String key = OAuthEncoder.decode(pair[0]);
+        String value = pair.length > 1 ? OAuthEncoder.decode(pair[1]) : EMPTY_STRING;
+        params.add(new Parameter(key, value));
+      }
+    }
+  }
+
+  public boolean contains(Parameter param)
+  {
+    return params.contains(param);
+  }
+
+  public int size()
+  {
+    return params.size();
+  }
+
+  public ParameterList sort()
+  {
+    ParameterList sorted = new ParameterList(params);
+    Collections.sort(sorted.params);
+    return sorted;
+  }
+}

src/main/java/org/scribe/model/Request.java

@@ -2,10 +2,11 @@ package org.scribe.model;
 
 import java.io.*;
 import java.net.*;
+import java.nio.charset.*;
 import java.util.*;
+import java.util.concurrent.TimeUnit;
 
 import org.scribe.exceptions.*;
-import org.scribe.utils.*;
 
 /**
  * Represents an HTTP Request object
@@ -14,16 +15,22 @@ import org.scribe.utils.*;
  */
 class Request
 {
-
   private static final String CONTENT_LENGTH = "Content-Length";
+  private static final String CONTENT_TYPE = "Content-Type";
+  public static final String DEFAULT_CONTENT_TYPE = "application/x-www-form-urlencoded";
 
   private String url;
   private Verb verb;
-  private Map<String, String> bodyParams;
+  private ParameterList querystringParams;
+  private ParameterList bodyParams;
   private Map<String, String> headers;
   private String payload = null;
-  private Integer timeout = null;
   private HttpURLConnection connection;
+  private String charset;
+  private byte[] bytePayload = null;
+  private boolean connectionKeepAlive = false;
+  private Long connectTimeout = null;
+  private Long readTimeout = null;
 
   /**
    * Creates a new Http Request
@@ -35,16 +42,9 @@ class Request
   {
     this.verb = verb;
     this.url = url;
-    this.bodyParams = new HashMap<String, String>();
+    this.querystringParams = new ParameterList();
+    this.bodyParams = new ParameterList();
     this.headers = new HashMap<String, String>();
-    try
-    {
-      connection = (HttpURLConnection) new URL(url).openConnection();
-      if(timeout != null) connection.setConnectTimeout(timeout);
-    } catch (IOException ioe)
-    {
-      throw new OAuthException("Could not open connection to: " + url, ioe);
-    }
   }
 
   /**
@@ -58,20 +58,54 @@ class Request
   {
     try
     {
+      createConnection();
       return doSend();
-    } catch (IOException ioe)
-    {
-      throw new OAuthException("Problems while creating connection", ioe);
     }
+    catch (UnknownHostException uhe)
+    {
+      throw new OAuthException("Could not reach the desired host. Check your network connection.", uhe);
+    }
+    catch (IOException ioe)
+    {
+      throw new OAuthException("Problems while creating connection.", ioe);
+    }
+  }
+
+  private void createConnection() throws IOException
+  {
+    String completeUrl = getCompleteUrl();
+    if (connection == null)
+    {
+      System.setProperty("http.keepAlive", connectionKeepAlive ? "true" : "false");
+      connection = (HttpURLConnection) new URL(completeUrl).openConnection();
+    }
+  }
+
+  /**
+   * Returns the complete url (host + resource + encoded querystring parameters).
+   *
+   * @return the complete url.
+   */
+  public String getCompleteUrl()
+  {
+    return querystringParams.appendTo(url);
   }
 
   Response doSend() throws IOException
   {
     connection.setRequestMethod(this.verb.name());
+    if (connectTimeout != null) 
+    {
+      connection.setConnectTimeout(connectTimeout.intValue());
+    }
+    if (readTimeout != null)
+    {
+      connection.setReadTimeout(readTimeout.intValue());
+    }
     addHeaders(connection);
     if (verb.equals(Verb.PUT) || verb.equals(Verb.POST))
     {
-      addBody(connection, getBodyContents());
+      addBody(connection, getByteBodyContents());
     }
     return new Response(connection);
   }
@@ -82,18 +116,24 @@ class Request
       conn.setRequestProperty(key, headers.get(key));
   }
 
-  void addBody(HttpURLConnection conn, String content) throws IOException
+  void addBody(HttpURLConnection conn, byte[] content) throws IOException
   {
-    conn.setRequestProperty(CONTENT_LENGTH, String.valueOf(content.getBytes().length));
+    conn.setRequestProperty(CONTENT_LENGTH, String.valueOf(content.length));
+
+    // Set default content type if none is set.
+    if (conn.getRequestProperty(CONTENT_TYPE) == null)
+    {
+      conn.setRequestProperty(CONTENT_TYPE, DEFAULT_CONTENT_TYPE);
+    }
     conn.setDoOutput(true);
-    conn.getOutputStream().write(content.getBytes());
+    conn.getOutputStream().write(content);
   }
 
   /**
    * Add an HTTP Header to the Request
    * 
-   * @param name
-   * @param value
+   * @param key the header name
+   * @param value the header value
    */
   public void addHeader(String key, String value)
   {
@@ -103,12 +143,23 @@ class Request
   /**
    * Add a body Parameter (for POST/ PUT Requests)
    * 
-   * @param name
-   * @param value
+   * @param key the parameter name
+   * @param value the parameter value
    */
   public void addBodyParameter(String key, String value)
   {
-    this.bodyParams.put(key, value);
+    this.bodyParams.add(key, value);
+  }
+
+  /**
+   * Add a QueryString parameter
+   *
+   * @param key the parameter name
+   * @param value the parameter value
+   */
+  public void addQuerystringParameter(String key, String value)
+  {
+    this.querystringParams.add(key, value);
   }
 
   /**
@@ -119,7 +170,7 @@ class Request
    * 
    * Note: The contents are not part of the OAuth signature
    * 
-   * @param payload
+   * @param payload the body of the request
    */
   public void addPayload(String payload)
   {
@@ -127,37 +178,43 @@ class Request
   }
 
   /**
-   * Get a {@link Map} of the query string parameters.
-   * 
-   * @return a map containing the query string parameters
+   * Overloaded version for byte arrays
+   *
+   * @param payload
    */
-  public Map<String, String> getQueryStringParams()
+  public void addPayload(byte[] payload)
+  {
+    this.bytePayload = payload;
+  }
+
+  /**
+   * Get a {@link ParameterList} with the query string parameters.
+   * 
+   * @return a {@link ParameterList} containing the query string parameters.
+   * @throws OAuthException if the request URL is not valid.
+   */
+  public ParameterList getQueryStringParams()
   {
     try
     {
-      Map<String, String> params = new HashMap<String, String>();
-      String query = new URL(url).getQuery();
-      if (query != null)
-      {
-        for (String param : query.split("&"))
-        {
-          String pair[] = param.split("=");
-          params.put(pair[0], pair[1]);
-        }
-      }
-      return params;
-    } catch (MalformedURLException mue)
+      ParameterList result = new ParameterList();
+      String queryString = new URL(url).getQuery();
+      result.addQuerystring(queryString);
+      result.addAll(querystringParams);
+      return result;
+    }
+    catch (MalformedURLException mue)
     {
       throw new OAuthException("Malformed URL", mue);
     }
   }
 
   /**
-   * Obtains a {@link Map} of the body parameters.
+   * Obtains a {@link ParameterList} of the body parameters.
    * 
-   * @return a map containing the body parameters.
+   * @return a {@link ParameterList}containing the body parameters.
    */
-  public Map<String, String> getBodyParams()
+  public ParameterList getBodyParams()
   {
     return bodyParams;
   }
@@ -186,10 +243,32 @@ class Request
    * Returns the body of the request
    * 
    * @return form encoded string
+   * @throws OAuthException if the charset chosen is not supported
    */
   public String getBodyContents()
   {
-    return (payload != null) ? payload : URLUtils.formURLEncodeMap(bodyParams);
+    try
+    {
+      return new String(getByteBodyContents(),getCharset());
+    }
+    catch(UnsupportedEncodingException uee)
+    {
+      throw new OAuthException("Unsupported Charset: "+charset, uee);
+    }
+  }
+
+  byte[] getByteBodyContents()
+  {
+    if (bytePayload != null) return bytePayload;
+    String body = (payload != null) ? payload : bodyParams.asFormUrlEncodedString();
+    try
+    {
+      return body.getBytes(getCharset());
+    }
+    catch(UnsupportedEncodingException uee)
+    {
+      throw new OAuthException("Unsupported Charset: "+getCharset(), uee);
+    }
   }
 
   /**
@@ -213,15 +292,60 @@ class Request
   }
 
   /**
-   * Sets the connection timeout in milliseconds for the underlying {@link HttpURLConnection}
-   * 
-   * @param timeout in milliseconds
+   * Returns the connection charset. Defaults to {@link Charset} defaultCharset if not set
+   *
+   * @return charset
    */
-  public void setTimeout(int timeout)
+  public String getCharset()
   {
-    this.timeout = timeout;
+    return charset == null ? Charset.defaultCharset().name() : charset;
   }
-  
+
+  /**
+   * Sets the connect timeout for the underlying {@link HttpURLConnection}
+   * 
+   * @param duration duration of the timeout
+   * 
+   * @param unit unit of time (milliseconds, seconds, etc)
+   */
+  public void setConnectTimeout(int duration, TimeUnit unit)
+  {
+    this.connectTimeout = unit.toMillis(duration);
+  }
+
+  /**
+   * Sets the read timeout for the underlying {@link HttpURLConnection}
+   * 
+   * @param duration duration of the timeout
+   * 
+   * @param unit unit of time (milliseconds, seconds, etc)
+   */
+  public void setReadTimeout(int duration, TimeUnit unit)
+  {
+    this.readTimeout = unit.toMillis(duration);
+  }
+
+  /**
+   * Set the charset of the body of the request
+   *
+   * @param charsetName name of the charset of the request
+   */
+  public void setCharset(String charsetName)
+  {
+    this.charset = charsetName;
+  }
+
+  /**
+   * Sets whether the underlying Http Connection is persistent or not.
+   *
+   * @see http://download.oracle.com/javase/1.5.0/docs/guide/net/http-keepalive.html
+   * @param connectionKeepAlive
+   */
+  public void setConnectionKeepAlive(boolean connectionKeepAlive)
+  {
+    this.connectionKeepAlive = connectionKeepAlive;
+  }
+
   /*
    * We need this in order to stub the connection object for test cases
    */

src/main/java/org/scribe/model/Response.java

@@ -13,7 +13,6 @@ import org.scribe.utils.*;
  */
 public class Response
 {
-
   private static final String EMPTY = "";
 
   private int code;
@@ -28,11 +27,12 @@ public class Response
       connection.connect();
       code = connection.getResponseCode();
       headers = parseHeaders(connection);
-      stream = wasSuccessful() ? connection.getInputStream() : connection.getErrorStream();
-    } catch (UnknownHostException e)
+      stream = isSuccessful() ? connection.getInputStream() : connection.getErrorStream();
+    }
+    catch (UnknownHostException e)
     {
       code = 404;
-      body = EMPTY;
+      body = Response.EMPTY;
     }
   }
 
@@ -52,12 +52,7 @@ public class Response
     return headers;
   }
 
-  /**
-   * Checks if the code is in the successful or redirect range.
-   * 
-   * @return true if successful
-   */
-  private boolean wasSuccessful()
+  public boolean isSuccessful()
   {
     return getCode() >= 200 && getCode() < 400;
   }
@@ -106,10 +101,9 @@ public class Response
   /**
    * Obtains a single HTTP Header value, or null if undefined
    * 
-   * @param header
-   *          name
+   * @param name the header name.
    * 
-   * @return header value or null
+   * @return header value or null.
    */
   public String getHeader(String name)
   {

src/main/java/org/scribe/model/SignatureType.java

@@ -0,0 +1,7 @@
+package org.scribe.model;
+
+public enum SignatureType
+{
+  Header,
+  QueryString
+}

src/main/java/org/scribe/model/Token.java

@@ -1,15 +1,36 @@
 package org.scribe.model;
 
-public class Token
-{
+import java.io.Serializable;
 
+/**
+ * Represents an OAuth token (either request or access token) and its secret
+ * 
+ * @author Pablo Fernandez
+ */
+public class Token implements Serializable
+{
+  private static final long serialVersionUID = 715000866082812683L;
+	
   private final String token;
   private final String secret;
+  private final String rawResponse;
 
+  /**
+   * Default constructor
+   * 
+   * @param token token value
+   * @param secret token secret
+   */
   public Token(String token, String secret)
+  {
+    this(token, secret, null);
+  }
+
+  public Token(String token, String secret, String rawResponse)
   {
     this.token = token;
     this.secret = secret;
+    this.rawResponse = rawResponse;
   }
 
   public String getToken()
@@ -22,6 +43,15 @@ public class Token
     return secret;
   }
 
+  public String getRawResponse()
+  {
+    if (rawResponse == null)
+    {
+      throw new IllegalStateException("This token object was not constructed by scribe and does not have a rawResponse");
+    }
+    return rawResponse;
+  }
+
   @Override
   public String toString()
   {

src/main/java/org/scribe/model/Verifier.java

@@ -1,12 +1,25 @@
 package org.scribe.model;
 
+import org.scribe.utils.*;
+
+/**
+ * Represents an OAuth verifier code.
+ * 
+ * @author Pablo Fernandez
+ */
 public class Verifier
 {
 
   private final String value;
 
+  /**
+   * Default constructor.
+   * 
+   * @param value verifier value
+   */
   public Verifier(String value)
   {
+    Preconditions.checkNotNull(value, "Must provide a valid string as verifier");
     this.value = value;
   }
 

src/main/java/org/scribe/oauth/OAuth10aServiceImpl.java

@@ -1,86 +1,145 @@
 package org.scribe.oauth;
 
-import org.scribe.extractors.*;
-import org.scribe.model.*;
-import org.scribe.services.*;
+import java.util.*;
 
+import org.scribe.builder.api.*;
+import org.scribe.model.*;
+import org.scribe.utils.*;
+
+/**
+ * OAuth 1.0a implementation of {@link OAuthService}
+ * 
+ * @author Pablo Fernandez
+ */
 public class OAuth10aServiceImpl implements OAuthService
 {
-
   private static final String VERSION = "1.0";
 
   private OAuthConfig config;
-  private SignatureService signatureService;
-  private TimestampService timestampService;
-  private BaseStringExtractor baseStringExtractor;
-  private HeaderExtractor headerExtractor;
-  private RequestTokenExtractor rtExtractor;
-  private AccessTokenExtractor atExtractor;
+  private DefaultApi10a api;
 
-  public OAuth10aServiceImpl(SignatureService signatureService, TimestampService timestampService, BaseStringExtractor baseStringExtractor,
-      HeaderExtractor headerExtractor, RequestTokenExtractor rtExtractor, AccessTokenExtractor atExtractor, OAuthConfig config)
+  /**
+   * Default constructor
+   * 
+   * @param api OAuth1.0a api information
+   * @param config OAuth 1.0a configuration param object
+   */
+  public OAuth10aServiceImpl(DefaultApi10a api, OAuthConfig config)
   {
-    this.signatureService = signatureService;
-    this.timestampService = timestampService;
-    this.baseStringExtractor = baseStringExtractor;
-    this.headerExtractor = headerExtractor;
-    this.rtExtractor = rtExtractor;
-    this.atExtractor = atExtractor;
+    this.api = api;
     this.config = config;
   }
 
+  /**
+   * {@inheritDoc}
+   */
   public Token getRequestToken()
   {
-    OAuthRequest request = new OAuthRequest(config.getRequestTokenVerb(), config.getRequestTokenEndpoint());
+    config.log("obtaining request token from " + api.getRequestTokenEndpoint());
+    OAuthRequest request = new OAuthRequest(api.getRequestTokenVerb(), api.getRequestTokenEndpoint());
+
+    config.log("setting oauth_callback to " + config.getCallback());
+    request.addOAuthParameter(OAuthConstants.CALLBACK, config.getCallback());
     addOAuthParams(request, OAuthConstants.EMPTY_TOKEN);
-    addOAuthHeader(request);
+    appendSignature(request);
+
+    config.log("sending request...");
     Response response = request.send();
-    return rtExtractor.extract(response.getBody());
+    String body = response.getBody();
+
+    config.log("response status code: " + response.getCode());
+    config.log("response body: " + body);
+    return api.getRequestTokenExtractor().extract(body);
   }
 
   private void addOAuthParams(OAuthRequest request, Token token)
   {
-    request.addOAuthParameter(OAuthConstants.TIMESTAMP, timestampService.getTimestampInSeconds());
-    request.addOAuthParameter(OAuthConstants.NONCE, timestampService.getNonce());
+    request.addOAuthParameter(OAuthConstants.TIMESTAMP, api.getTimestampService().getTimestampInSeconds());
+    request.addOAuthParameter(OAuthConstants.NONCE, api.getTimestampService().getNonce());
     request.addOAuthParameter(OAuthConstants.CONSUMER_KEY, config.getApiKey());
-    request.addOAuthParameter(OAuthConstants.SIGN_METHOD, signatureService.getSignatureMethod());
+    request.addOAuthParameter(OAuthConstants.SIGN_METHOD, api.getSignatureService().getSignatureMethod());
     request.addOAuthParameter(OAuthConstants.VERSION, getVersion());
-    request.addOAuthParameter(OAuthConstants.CALLBACK, config.getCallback());
+    if(config.hasScope()) request.addOAuthParameter(OAuthConstants.SCOPE, config.getScope());
     request.addOAuthParameter(OAuthConstants.SIGNATURE, getSignature(request, token));
+
+    config.log("appended additional OAuth parameters: " + MapUtils.toString(request.getOauthParameters()));
   }
 
+  /**
+   * {@inheritDoc}
+   */
   public Token getAccessToken(Token requestToken, Verifier verifier)
   {
-    OAuthRequest request = new OAuthRequest(config.getAccessTokenVerb(), config.getAccessTokenEndpoint());
+    config.log("obtaining access token from " + api.getAccessTokenEndpoint());
+    OAuthRequest request = new OAuthRequest(api.getAccessTokenVerb(), api.getAccessTokenEndpoint());
     request.addOAuthParameter(OAuthConstants.TOKEN, requestToken.getToken());
     request.addOAuthParameter(OAuthConstants.VERIFIER, verifier.getValue());
+
+    config.log("setting token to: " + requestToken + " and verifier to: " + verifier);
     addOAuthParams(request, requestToken);
-    addOAuthHeader(request);
+    appendSignature(request);
     Response response = request.send();
-    return atExtractor.extract(response.getBody());
+    return api.getAccessTokenExtractor().extract(response.getBody());
   }
 
+  /**
+   * {@inheritDoc}
+   */
   public void signRequest(Token token, OAuthRequest request)
   {
+    config.log("signing request: " + request.getCompleteUrl());
     request.addOAuthParameter(OAuthConstants.TOKEN, token.getToken());
+
+    config.log("setting token to: " + token);
     addOAuthParams(request, token);
-    addOAuthHeader(request);
+    appendSignature(request);
   }
 
+  /**
+   * {@inheritDoc}
+   */
   public String getVersion()
   {
     return VERSION;
   }
 
+  /**
+   * {@inheritDoc}
+   */
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return api.getAuthorizationUrl(requestToken);
+  }
+  
   private String getSignature(OAuthRequest request, Token token)
   {
-    String baseString = baseStringExtractor.extract(request);
-    return signatureService.getSignature(baseString, config.getApiSecret(), token.getSecret());
+    config.log("generating signature...");
+    String baseString = api.getBaseStringExtractor().extract(request);
+    String signature = api.getSignatureService().getSignature(baseString, config.getApiSecret(), token.getSecret());
+
+    config.log("base string is: " + baseString);
+    config.log("signature is: " + signature);
+    return signature;
   }
 
-  private void addOAuthHeader(OAuthRequest request)
+  private void appendSignature(OAuthRequest request)
   {
-    String oauthHeader = headerExtractor.extract(request);
-    request.addHeader(OAuthConstants.HEADER, oauthHeader);
+    switch (config.getSignatureType())
+    {
+      case Header:
+        config.log("using Http Header signature");
+
+        String oauthHeader = api.getHeaderExtractor().extract(request);
+        request.addHeader(OAuthConstants.HEADER, oauthHeader);
+        break;
+      case QueryString:
+        config.log("using Querystring signature");
+
+        for (Map.Entry<String, String> entry : request.getOauthParameters().entrySet())
+        {
+          request.addQuerystringParameter(entry.getKey(), entry.getValue());
+        }
+        break;
+    }
   }
 }

src/main/java/org/scribe/oauth/OAuth20ServiceImpl.java

@@ -0,0 +1,72 @@
+package org.scribe.oauth;
+
+import org.scribe.builder.api.*;
+import org.scribe.model.*;
+
+public class OAuth20ServiceImpl implements OAuthService
+{
+  private static final String VERSION = "2.0";
+  
+  private final DefaultApi20 api;
+  private final OAuthConfig config;
+  
+  /**
+   * Default constructor
+   * 
+   * @param api OAuth2.0 api information
+   * @param config OAuth 2.0 configuration param object
+   */
+  public OAuth20ServiceImpl(DefaultApi20 api, OAuthConfig config)
+  {
+    this.api = api;
+    this.config = config;
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public Token getAccessToken(Token requestToken, Verifier verifier)
+  {
+    OAuthRequest request = new OAuthRequest(api.getAccessTokenVerb(), api.getAccessTokenEndpoint());
+    request.addQuerystringParameter(OAuthConstants.CLIENT_ID, config.getApiKey());
+    request.addQuerystringParameter(OAuthConstants.CLIENT_SECRET, config.getApiSecret());
+    request.addQuerystringParameter(OAuthConstants.CODE, verifier.getValue());
+    request.addQuerystringParameter(OAuthConstants.REDIRECT_URI, config.getCallback());
+    if(config.hasScope()) request.addQuerystringParameter(OAuthConstants.SCOPE, config.getScope());
+    Response response = request.send();
+    return api.getAccessTokenExtractor().extract(response.getBody());
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public Token getRequestToken()
+  {
+    throw new UnsupportedOperationException("Unsupported operation, please use 'getAuthorizationUrl' and redirect your users there");
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public String getVersion()
+  {
+    return VERSION;
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public void signRequest(Token accessToken, OAuthRequest request)
+  {
+    request.addQuerystringParameter(OAuthConstants.ACCESS_TOKEN, accessToken.getToken());
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return api.getAuthorizationUrl(config);
+  }
+
+}

src/main/java/org/scribe/oauth/OAuthService.java

@@ -2,13 +2,52 @@ package org.scribe.oauth;
 
 import org.scribe.model.*;
 
+/**
+ * The main Scribe object. 
+ * 
+ * A facade responsible for the retrieval of request and access tokens and for the signing of HTTP requests.  
+ * 
+ * @author Pablo Fernandez
+ */
 public interface OAuthService
 {
+  /**
+   * Retrieve the request token.
+   * 
+   * @return request token
+   */
   public Token getRequestToken();
 
+  /**
+   * Retrieve the access token
+   * 
+   * @param requestToken request token (obtained previously)
+   * @param verifier verifier code
+   * @return access token
+   */
   public Token getAccessToken(Token requestToken, Verifier verifier);
 
+  /**
+   * Signs am OAuth request
+   * 
+   * @param accessToken access token (obtained previously)
+   * @param request request to sign
+   */
   public void signRequest(Token accessToken, OAuthRequest request);
 
+  /**
+   * Returns the OAuth version of the service.
+   * 
+   * @return oauth version as string
+   */
   public String getVersion();
+  
+  /**
+   * Returns the URL where you should redirect your users to authenticate
+   * your application.
+   * 
+   * @param requestToken the request token you need to authorize
+   * @return the URL where you should redirect your users
+   */
+  public String getAuthorizationUrl(Token requestToken);
 }

src/main/java/org/scribe/services/HMACSha1SignatureService.java

@@ -7,22 +7,30 @@ import org.apache.commons.codec.binary.*;
 import org.scribe.exceptions.*;
 import org.scribe.utils.*;
 
+/**
+ * HMAC-SHA1 implementation of {@SignatureService}
+ * 
+ * @author Pablo Fernandez
+ *
+ */
 public class HMACSha1SignatureService implements SignatureService
 {
-
   private static final String EMPTY_STRING = "";
   private static final String CARRIAGE_RETURN = "\r\n";
   private static final String UTF8 = "UTF-8";
   private static final String HMAC_SHA1 = "HmacSHA1";
   private static final String METHOD = "HMAC-SHA1";
 
+  /**
+   * {@inheritDoc}
+   */
   public String getSignature(String baseString, String apiSecret, String tokenSecret)
   {
     try
     {
       Preconditions.checkEmptyString(baseString, "Base string cant be null or empty string");
       Preconditions.checkEmptyString(apiSecret, "Api secret cant be null or empty string");
-      return doSign(baseString, apiSecret + '&' + tokenSecret);
+      return doSign(baseString, OAuthEncoder.encode(apiSecret) + '&' + OAuthEncoder.encode(tokenSecret));
     } 
     catch (Exception e)
     {
@@ -39,6 +47,9 @@ public class HMACSha1SignatureService implements SignatureService
     return new String(Base64.encodeBase64(bytes)).replace(CARRIAGE_RETURN, EMPTY_STRING);
   }
 
+  /**
+   * {@inheritDoc}
+   */
   public String getSignatureMethod()
   {
     return METHOD;

src/main/java/org/scribe/services/PlaintextSignatureService.java

@@ -0,0 +1,40 @@
+package org.scribe.services;
+
+import org.scribe.exceptions.*;
+import org.scribe.utils.*;
+
+/**
+ * plaintext implementation of {@SignatureService}
+ *
+ * @author Pablo Fernandez
+ *
+ */
+public class PlaintextSignatureService implements SignatureService
+{
+  private static final String METHOD = "plaintext";
+
+  /**
+   * {@inheritDoc}
+   */
+  public String getSignature(String baseString, String apiSecret, String tokenSecret)
+  {
+    try
+    {
+      Preconditions.checkEmptyString(apiSecret, "Api secret cant be null or empty string");
+      return OAuthEncoder.encode(apiSecret) + '&' + OAuthEncoder.encode(tokenSecret);
+    }
+    catch (Exception e)
+    {
+      throw new OAuthSignatureException(baseString, e);
+    }
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public String getSignatureMethod()
+  {
+    return METHOD;
+  }
+}
+

src/main/java/org/scribe/services/SignatureService.java

@@ -1,8 +1,28 @@
 package org.scribe.services;
 
+/**
+ * Signs a base string, returning the OAuth signature
+ * 
+ * @author Pablo Fernandez
+ *
+ */
 public interface SignatureService
 {
+  /**
+   * Returns the signature
+   * 
+   * @param baseString url-encoded string to sign
+   * @param apiSecret api secret for your app
+   * @param tokenSecret token secret (empty string for the request token step)
+   * 
+   * @return signature
+   */
   public String getSignature(String baseString, String apiSecret, String tokenSecret);
 
+  /**
+   * Returns the signature method/algorithm
+   * 
+   * @return
+   */
   public String getSignatureMethod();
 }

src/main/java/org/scribe/services/TimestampService.java

@@ -1,9 +1,25 @@
 package org.scribe.services;
 
+/**
+ * Unix epoch timestamp generator.
+ * 
+ * This class is useful for stubbing in tests. 
+ * 
+ * @author Pablo Fernandez
+ */
 public interface TimestampService
 {
-
+  /**
+   * Returns the unix epoch timestamp in seconds
+   * 
+   * @return timestamp
+   */
   public String getTimestampInSeconds();
 
+  /**
+   * Returns a nonce (unique value for each request)
+   * 
+   * @return nonce
+   */
   public String getNonce();
 }

src/main/java/org/scribe/services/TimestampServiceImpl.java

@@ -2,22 +2,35 @@ package org.scribe.services;
 
 import java.util.*;
 
+/**
+ * Implementation of {@link TimestampService} using plain java classes.
+ * 
+ * @author Pablo Fernandez
+ */
 public class TimestampServiceImpl implements TimestampService
 {
-
   private Timer timer;
 
+  /**
+   * Default constructor. 
+   */
   public TimestampServiceImpl()
   {
     timer = new Timer();
   }
 
+  /**
+   * {@inheritDoc}
+   */
   public String getNonce()
   {
     Long ts = getTs();
     return String.valueOf(ts + timer.getRandomInteger());
   }
 
+  /**
+   * {@inheritDoc}
+   */
   public String getTimestampInSeconds()
   {
     return String.valueOf(getTs());
@@ -33,14 +46,19 @@ public class TimestampServiceImpl implements TimestampService
     this.timer = timer;
   }
 
+  /**
+   * Inner class that uses {@link System} for generating the timestamps.
+   * 
+   * @author Pablo Fernandez
+   */
   static class Timer
   {
-    public Long getMilis()
+    Long getMilis()
     {
       return System.currentTimeMillis();
     }
 
-    public Integer getRandomInteger()
+    Integer getRandomInteger()
     {
       return new Random().nextInt();
     }

src/main/java/org/scribe/utils/MapUtils.java

@@ -1,26 +1,22 @@
 package org.scribe.utils;
 
-import java.util.*;
+import java.util.Map;
 
+/**
+ * @author: Pablo Fernandez
+ */
 public class MapUtils
 {
-
-  public static final Map<String, String> sort(Map<String, String> map)
+  public static <K,V> String toString(Map<K,V> map)
   {
-    Preconditions.checkNotNull(map, "Cannot sort a null object.");
+    if (map == null) return "";
+    if (map.isEmpty()) return "{}";
 
-    Map<String, String> sorted = new LinkedHashMap<String, String>();
-    for (String key : getSortedKeys(map))
+    StringBuilder result = new StringBuilder();
+    for(Map.Entry<K,V> entry : map.entrySet())
     {
-      sorted.put(key, map.get(key));
+      result.append(String.format(", %s -> %s ", entry.getKey().toString(), entry.getValue().toString()));
     }
-    return sorted;
-  }
-
-  private static List<String> getSortedKeys(Map<String, String> map)
-  {
-    List<String> keys = new ArrayList<String>(map.keySet());
-    Collections.sort(keys);
-    return keys;
+    return "{" + result.substring(1) + "}";
   }
 }

src/main/java/org/scribe/utils/OAuthEncoder.java

@@ -0,0 +1,62 @@
+package org.scribe.utils;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+import java.util.regex.*;
+import org.scribe.exceptions.*;
+
+/**
+ * @author: Pablo Fernandez
+ */
+public class OAuthEncoder
+{
+  private static String CHARSET = "UTF-8";
+  private static final Map<String, String> ENCODING_RULES;
+
+  static
+  {
+    Map<String, String> rules = new HashMap<String, String>();
+    rules.put("*", "%2A");
+    rules.put("+", "%20");
+    rules.put("%7E", "~");
+    ENCODING_RULES = Collections.unmodifiableMap(rules);
+  }
+
+  public static String encode(String plain)
+  {
+    Preconditions.checkNotNull(plain, "Cannot encode null object");
+    String encoded = "";
+    try
+    {
+      encoded = URLEncoder.encode(plain, CHARSET);
+    }
+    catch (UnsupportedEncodingException uee)
+    {
+      throw new OAuthException("Charset not found while encoding string: " + CHARSET, uee);
+    }
+    for(Map.Entry<String, String> rule : ENCODING_RULES.entrySet())
+    {
+      encoded = applyRule(encoded, rule.getKey(), rule.getValue());
+    }
+    return encoded;
+  }
+
+  private static String applyRule(String encoded, String toReplace, String replacement)
+  {
+    return encoded.replaceAll(Pattern.quote(toReplace), replacement);
+  }
+
+  public static String decode(String encoded)
+  {
+    Preconditions.checkNotNull(encoded, "Cannot decode null object");
+    try
+    {
+      return URLDecoder.decode(encoded, CHARSET);
+    }
+    catch(UnsupportedEncodingException uee)
+    {
+      throw new OAuthException("Charset not found while decoding string: " + CHARSET, uee);
+    }
+  }
+}

src/main/java/org/scribe/utils/Preconditions.java

@@ -1,27 +1,63 @@
 package org.scribe.utils;
 
+import java.util.regex.Pattern;
+
 import org.scribe.model.OAuthConstants;
 
+/**
+ * Utils for checking preconditions and invariants
+ * 
+ * @author Pablo Fernandez
+ */
 public class Preconditions
 {
   private static final String DEFAULT_MESSAGE = "Received an invalid parameter";
+  private static final Pattern URL_PATTERN = Pattern.compile("[a-zA-Z_-]+://\\S+");
 
+  /**
+   * Checks that an object is not null.
+   * 
+   * @param object any object
+   * @param errorMsg error message
+   * 
+   * @throws IllegalArgumentException if the object is null
+   */
   public static void checkNotNull(Object object, String errorMsg)
   {
     check(object != null, errorMsg);
   }
 
+  /**
+   * Checks that a string is not null or empty
+   * 
+   * @param string any string
+   * @param errorMsg error message
+   * 
+   * @throws IllegalArgumentException if the string is null or empty
+   */
   public static void checkEmptyString(String string, String errorMsg)
   {
     check(string != null && !string.trim().equals(""), errorMsg);
   }
 
+  /**
+   * Checks that a URL is valid
+   * 
+   * @param url any string
+   * @param errorMsg error message
+   */
   public static void checkValidUrl(String url, String errorMsg)
   {
     checkEmptyString(url, errorMsg);
     check(isUrl(url), errorMsg);
   }
   
+  /**
+   * Checks that a URL is a valid OAuth callback
+   *  
+   * @param url any string
+   * @param errorMsg error message
+   */
   public static void checkValidOAuthCallback(String url, String errorMsg)
   {
     checkEmptyString(url, errorMsg);
@@ -31,14 +67,14 @@ public class Preconditions
     }
   }
   
-  static boolean isUrl(String url)
+  private static boolean isUrl(String url)
   {
-    return url.startsWith("http://") || url.startsWith("https://");
+    return URL_PATTERN.matcher(url).matches();
   }
   
   private static void check(boolean requirements, String error)
   {
-    String message = (error == null || error.trim().isEmpty()) ? DEFAULT_MESSAGE : error;
+    String message = (error == null || error.trim().length() <= 0) ? DEFAULT_MESSAGE : error;
     if (!requirements)
     {
       throw new IllegalArgumentException(message);

src/main/java/org/scribe/utils/StreamUtils.java

@@ -2,9 +2,19 @@ package org.scribe.utils;
 
 import java.io.*;
 
+/**
+ * Utils to deal with Streams.
+ *  
+ * @author Pablo Fernandez
+ */
 public class StreamUtils
 {
-
+  /**
+   * Returns the stream contents as an UTF-8 encoded string
+   * 
+   * @param is input stream
+   * @return string contents
+   */
   public static String getStreamContents(InputStream is)
   {
     Preconditions.checkNotNull(is, "Cannot get String from a null object");
@@ -26,7 +36,7 @@ public class StreamUtils
       return out.toString();
     } catch (IOException ioe)
     {
-      throw new RuntimeException("Error while reading response body", ioe);
+      throw new IllegalStateException("Error while reading response body", ioe);
     }
   }
 }

src/main/java/org/scribe/utils/URLUtils.java

@@ -1,63 +0,0 @@
-package org.scribe.utils;
-
-import java.io.*;
-import java.net.*;
-import java.util.*;
-
-import org.scribe.exceptions.*;
-
-public class URLUtils
-{
-
-  private static final String EMPTY_STRING = "";
-  private static final String UTF_8 = "UTF-8";
-  private static final char PAIR_SEPARATOR = '=';
-  private static final char PARAM_SEPARATOR = '&';
-
-  private static final String ERROR_MSG = String.format("Cannot find specified encoding: %s", UTF_8);
-
-  public static String formURLEncodeMap(Map<String, String> map)
-  {
-    Preconditions.checkNotNull(map, "Cannot url-encode a null object");
-    return (map.size() <= 0) ? EMPTY_STRING : doFormUrlEncode(map);
-  }
-
-  private static String doFormUrlEncode(Map<String, String> map)
-  {
-    StringBuffer encodedString = new StringBuffer();
-    for (String key : map.keySet())
-    {
-      encodedString.append(percentEncode(key)).append(PAIR_SEPARATOR).append(percentEncode(map.get(key))).append(PARAM_SEPARATOR);
-    }
-    return removeTrailingSeparator(encodedString);
-  }
-
-  private static String removeTrailingSeparator(StringBuffer buffer)
-  {
-    return buffer.toString().substring(0, buffer.length() - 1);
-  }
-
-  public static String percentEncode(String string)
-  {
-    Preconditions.checkNotNull(string, "Cannot encode null string");
-    try
-    {
-      return URLEncoder.encode(string, UTF_8);
-    } catch (UnsupportedEncodingException uee)
-    {
-      throw new OAuthException(ERROR_MSG, uee);
-    }
-  }
-
-  public static String percentDecode(String string)
-  {
-    Preconditions.checkNotNull(string, "Cannot decode null string");
-    try
-    {
-      return URLDecoder.decode(string, UTF_8);
-    } catch (UnsupportedEncodingException uee)
-    {
-      throw new OAuthException(ERROR_MSG, uee);
-    }
-  }
-}

src/test/java/org/scribe/builder/ServiceBuilderTest.java

@@ -0,0 +1,73 @@
+package org.scribe.builder;
+
+import static org.junit.Assert.*;
+
+import org.junit.*;
+import org.scribe.builder.api.*;
+import org.scribe.model.*;
+import org.scribe.oauth.*;
+
+public class ServiceBuilderTest
+{
+  private ServiceBuilder builder;
+
+  @Before
+  public void setup()
+  {
+    builder = new ServiceBuilder();
+  }
+
+  @Test
+  public void shouldReturnConfigDefaultValues()
+  {
+    builder.provider(ApiMock.class).apiKey("key").apiSecret("secret").build();
+    assertEquals(ApiMock.config.getApiKey(), "key");
+    assertEquals(ApiMock.config.getApiSecret(), "secret");
+    assertEquals(ApiMock.config.getCallback(), OAuthConstants.OUT_OF_BAND);
+    assertEquals(ApiMock.config.getSignatureType(), SignatureType.Header);
+  }
+
+  @Test
+  public void shouldAcceptValidCallbackUrl()
+  {
+    builder.provider(ApiMock.class).apiKey("key").apiSecret("secret").callback("http://example.com").build();
+    assertEquals(ApiMock.config.getApiKey(), "key");
+    assertEquals(ApiMock.config.getApiSecret(), "secret");
+    assertEquals(ApiMock.config.getCallback(), "http://example.com");
+  }
+
+  @Test
+  public void shouldAcceptASignatureType()
+  {
+    builder.provider(ApiMock.class).apiKey("key").apiSecret("secret").signatureType(SignatureType.QueryString).build();
+    assertEquals(ApiMock.config.getApiKey(), "key");
+    assertEquals(ApiMock.config.getApiSecret(), "secret");
+    assertEquals(ApiMock.config.getSignatureType(), SignatureType.QueryString);
+  }
+
+  @Test(expected=IllegalArgumentException.class)
+  public void shouldNotAcceptAnInvalidUrlAsCallback()
+  {
+    builder.provider(ApiMock.class).apiKey("key").apiSecret("secret").callback("example.com").build(); 
+  }
+
+  @Test
+  public void shouldAcceptAnScope()
+  {
+    builder.provider(ApiMock.class).apiKey("key").apiSecret("secret").scope("rss-api").build();
+    assertEquals(ApiMock.config.getApiKey(), "key");
+    assertEquals(ApiMock.config.getApiSecret(), "secret");
+    assertEquals(ApiMock.config.getScope(), "rss-api");
+  }
+
+  public static class ApiMock implements Api
+  {
+    public static OAuthConfig config;
+
+    public OAuthService createService(OAuthConfig config)
+    {
+      ApiMock.config = config;
+      return null;
+    }
+  }
+}

src/test/java/org/scribe/examples/FacebookExample.java

@@ -0,0 +1,64 @@
+package org.scribe.examples;
+
+import java.util.*;
+
+import org.scribe.builder.*;
+import org.scribe.builder.api.*;
+import org.scribe.model.*;
+import org.scribe.oauth.*;
+
+public class FacebookExample
+{
+  private static final String NETWORK_NAME = "Facebook";
+  private static final String PROTECTED_RESOURCE_URL = "https://graph.facebook.com/me";
+  private static final Token EMPTY_TOKEN = null;
+
+  public static void main(String[] args)
+  {
+    // Replace these with your own api key and secret
+    String apiKey = "your_app_id";
+    String apiSecret = "your_api_secret";
+    OAuthService service = new ServiceBuilder()
+                                  .provider(FacebookApi.class)
+                                  .apiKey(apiKey)
+                                  .apiSecret(apiSecret)
+                                  .callback("http://www.example.com/oauth_callback/")
+                                  .build();
+    Scanner in = new Scanner(System.in);
+
+    System.out.println("=== " + NETWORK_NAME + "'s OAuth Workflow ===");
+    System.out.println();
+
+    // Obtain the Authorization URL
+    System.out.println("Fetching the Authorization URL...");
+    String authorizationUrl = service.getAuthorizationUrl(EMPTY_TOKEN);
+    System.out.println("Got the Authorization URL!");
+    System.out.println("Now go and authorize Scribe here:");
+    System.out.println(authorizationUrl);
+    System.out.println("And paste the authorization code here");
+    System.out.print(">>");
+    Verifier verifier = new Verifier(in.nextLine());
+    System.out.println();
+    
+    // Trade the Request Token and Verfier for the Access Token
+    System.out.println("Trading the Request Token for an Access Token...");
+    Token accessToken = service.getAccessToken(EMPTY_TOKEN, verifier);
+    System.out.println("Got the Access Token!");
+    System.out.println("(if your curious it looks like this: " + accessToken + " )");
+    System.out.println();
+
+    // Now let's go and ask for a protected resource!
+    System.out.println("Now we're going to access a protected resource...");
+    OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
+    service.signRequest(accessToken, request);
+    Response response = request.send();
+    System.out.println("Got it! Lets see what we found...");
+    System.out.println();
+    System.out.println(response.getCode());
+    System.out.println(response.getBody());
+
+    System.out.println();
+    System.out.println("Thats it man! Go and build something awesome with Scribe! :)");
+
+  }
+}

src/test/java/org/scribe/examples/Foursquare2Example.java

@@ -0,0 +1,63 @@
+package org.scribe.examples;
+
+import java.util.*;
+
+import org.scribe.builder.*;
+import org.scribe.builder.api.*;
+import org.scribe.model.*;
+import org.scribe.oauth.*;
+
+public class Foursquare2Example
+{
+  private static final String PROTECTED_RESOURCE_URL = "https://api.foursquare.com/v2/users/self/friends?oauth_token=";
+  private static final Token EMPTY_TOKEN = null;
+
+  public static void main(String[] args)
+  {
+    // Replace these with your own api key and secret
+    String apiKey = "FEGFXJUFANVVDHVSNUAMUKTTXCP1AJQD53E33XKJ44YP1S4I";
+    String apiSecret = "AYWKUL5SWPNC0CTQ202QXRUG2NLZYXMRA34ZSDW4AUYBG2RC";
+    OAuthService service = new ServiceBuilder()
+                                  .provider(Foursquare2Api.class)
+                                  .apiKey(apiKey)
+                                  .apiSecret(apiSecret)
+                                  .callback("http://localhost:9000/")
+                                  .build();
+    Scanner in = new Scanner(System.in);
+
+    System.out.println("=== Foursquare2's OAuth Workflow ===");
+    System.out.println();
+
+    // Obtain the Authorization URL
+    System.out.println("Fetching the Authorization URL...");
+    String authorizationUrl = service.getAuthorizationUrl(EMPTY_TOKEN);
+    System.out.println("Got the Authorization URL!");
+    System.out.println("Now go and authorize Scribe here:");
+    System.out.println(authorizationUrl);
+    System.out.println("And paste the authorization code here");
+    System.out.print(">>");
+    Verifier verifier = new Verifier(in.nextLine());
+    System.out.println();
+    
+    // Trade the Request Token and Verfier for the Access Token
+    System.out.println("Trading the Request Token for an Access Token...");
+    Token accessToken = service.getAccessToken(EMPTY_TOKEN, verifier);
+    System.out.println("Got the Access Token!");
+    System.out.println("(if your curious it looks like this: " + accessToken + " )");
+    System.out.println();
+
+    // Now let's go and ask for a protected resource!
+    System.out.println("Now we're going to access a protected resource...");
+    OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL + accessToken.getToken());
+    service.signRequest(accessToken, request);
+    Response response = request.send();
+    System.out.println("Got it! Lets see what we found...");
+    System.out.println();
+    System.out.println(response.getCode());
+    System.out.println(response.getBody());
+
+    System.out.println();
+    System.out.println("Thats it man! Go and build something awesome with Scribe! :)");
+
+  }
+}

src/test/java/org/scribe/examples/FoursquareExample.java

@@ -9,7 +9,6 @@ import org.scribe.oauth.*;
 
 public class FoursquareExample
 {
-  private static final String AUTHORIZE_URL = "http://foursquare.com/oauth/authorize?oauth_token=";
   private static final String PROTECTED_RESOURCE_URL = "http://api.foursquare.com/v1/user";
   
   public static void main(String[] args)
@@ -31,7 +30,7 @@ public class FoursquareExample
     System.out.println();
 
     System.out.println("Now go and authorize Scribe here:");
-    System.out.println(AUTHORIZE_URL + requestToken.getToken());
+    System.out.println(service.getAuthorizationUrl(requestToken));
     System.out.println("And paste the verifier here");
     System.out.print(">>");
     Verifier verifier = new Verifier(in.nextLine());

src/test/java/org/scribe/examples/GoogleExample.java

@@ -0,0 +1,66 @@
+package org.scribe.examples;
+
+import java.util.*;
+
+import org.scribe.builder.*;
+import org.scribe.builder.api.*;
+import org.scribe.model.*;
+import org.scribe.oauth.*;
+
+public class GoogleExample
+{
+  private static final String NETWORK_NAME = "Google";
+  private static final String AUTHORIZE_URL = "https://www.google.com/accounts/OAuthAuthorizeToken?oauth_token=";
+  private static final String PROTECTED_RESOURCE_URL = "https://docs.google.com/feeds/default/private/full/";
+  private static final String SCOPE = "https://docs.google.com/feeds/"; 
+
+  public static void main(String[] args)
+  {
+    OAuthService service = new ServiceBuilder()
+                                  .provider(GoogleApi.class)
+                                  .apiKey("anonymous")
+                                  .apiSecret("anonymous")
+                                  .scope(SCOPE)
+                                  .build();
+    Scanner in = new Scanner(System.in);
+
+    System.out.println("=== " + NETWORK_NAME + "'s OAuth Workflow ===");
+    System.out.println();
+
+    // Obtain the Request Token
+    System.out.println("Fetching the Request Token...");
+    Token requestToken = service.getRequestToken();
+    System.out.println("Got the Request Token!");
+    System.out.println("(if your curious it looks like this: " + requestToken + " )");
+    System.out.println();
+
+    System.out.println("Now go and authorize Scribe here:");
+    System.out.println(AUTHORIZE_URL + requestToken.getToken());
+    System.out.println("And paste the verifier here");
+    System.out.print(">>");
+    Verifier verifier = new Verifier(in.nextLine());
+    System.out.println();
+
+    // Trade the Request Token and Verfier for the Access Token
+    System.out.println("Trading the Request Token for an Access Token...");
+    Token accessToken = service.getAccessToken(requestToken, verifier);
+    System.out.println("Got the Access Token!");
+    System.out.println("(if your curious it looks like this: " + accessToken + " )");
+    System.out.println();
+
+    // Now let's go and ask for a protected resource!
+    System.out.println("Now we're going to access a protected resource...");
+    OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
+    service.signRequest(accessToken, request);
+    request.addHeader("GData-Version", "3.0");
+    Response response = request.send();
+    System.out.println("Got it! Lets see what we found...");
+    System.out.println();
+    System.out.println(response.getCode());
+    System.out.println(response.getBody());
+
+    System.out.println();
+    System.out.println("Thats it man! Go and build something awesome with Scribe! :)");
+
+  }
+}

src/test/java/org/scribe/examples/LinkedInExample.java

@@ -9,18 +9,17 @@ import org.scribe.oauth.*;
 
 public class LinkedInExample
 {
-  private static final String AUTHORIZE_URL = "https://api.linkedin.com/uas/oauth/authorize?oauth_token=";
   private static final String PROTECTED_RESOURCE_URL = "http://api.linkedin.com/v1/people/~/connections:(id,last-name)";
   
   public static void main(String[] args)
   {
     OAuthService service = new ServiceBuilder()
-                                  .provider(LinkedInApi.class)
-                                  .apiKey("CiEgwWDkA5BFpNrc0RfGyVuSlOh4tig5kOTZ9q97qcXNrFl7zqk-Ts7DqRGaKDCV")
-                                  .apiSecret("dhho4dfoCmiQXrkw4yslork5XWLFnPSuMR-8gscPVjY4jqFFHPYWJKgpFl4uLTM6")
-                                  .build();
-    
+                                .provider(LinkedInApi.class)
+                                .apiKey("CiEgwWDkA5BFpNrc0RfGyVuSlOh4tig5kOTZ9q97qcXNrFl7zqk-Ts7DqRGaKDCV")
+                                .apiSecret("dhho4dfoCmiQXrkw4yslork5XWLFnPSuMR-8gscPVjY4jqFFHPYWJKgpFl4uLTM6")
+                                .build();
     Scanner in = new Scanner(System.in);
+    
     System.out.println("=== LinkedIn's OAuth Workflow ===");
     System.out.println();
 
@@ -31,7 +30,7 @@ public class LinkedInExample
     System.out.println();
 
     System.out.println("Now go and authorize Scribe here:");
-    System.out.println(AUTHORIZE_URL + requestToken.getToken());
+    System.out.println(service.getAuthorizationUrl(requestToken));
     System.out.println("And paste the verifier here");
     System.out.print(">>");
     Verifier verifier = new Verifier(in.nextLine());
@@ -55,8 +54,6 @@ public class LinkedInExample
 
     System.out.println();
     System.out.println("Thats it man! Go and build something awesome with Scribe! :)");
-    
-    System.out.println(service.getRequestToken());
   }
 
 }

src/test/java/org/scribe/examples/LiveExample.java

@@ -0,0 +1,64 @@
+package org.scribe.examples;
+
+import java.util.*;
+
+import org.scribe.builder.*;
+import org.scribe.builder.api.*;
+import org.scribe.model.*;
+import org.scribe.oauth.*;
+
+public class LiveExample
+{
+  private static final String PROTECTED_RESOURCE_URL = "https://api.foursquare.com/v2/users/self/friends?oauth_token=";
+  private static final Token EMPTY_TOKEN = null;
+
+  public static void main(String[] args)
+  {
+    // Replace these with your own api key and secret
+    String apiKey = "";
+    String apiSecret = "";
+    OAuthService service = new ServiceBuilder()
+                                  .provider(LiveApi.class)
+                                  .apiKey(apiKey)
+                                  .apiSecret(apiSecret)
+                                  .scope("wl.basic")
+                                  .callback("http://localhost:9000/")
+                                  .build();
+    Scanner in = new Scanner(System.in);
+
+    System.out.println("=== Windows Live's OAuth Workflow ===");
+    System.out.println();
+
+    // Obtain the Authorization URL
+    System.out.println("Fetching the Authorization URL...");
+    String authorizationUrl = service.getAuthorizationUrl(EMPTY_TOKEN);
+    System.out.println("Got the Authorization URL!");
+    System.out.println("Now go and authorize Scribe here:");
+    System.out.println(authorizationUrl);
+    System.out.println("And paste the authorization code here");
+    System.out.print(">>");
+    Verifier verifier = new Verifier(in.nextLine());
+    System.out.println();
+    
+    // Trade the Request Token and Verfier for the Access Token
+    System.out.println("Trading the Request Token for an Access Token...");
+    Token accessToken = service.getAccessToken(EMPTY_TOKEN, verifier);
+    System.out.println("Got the Access Token!");
+    System.out.println("(if your curious it looks like this: " + accessToken + " )");
+    System.out.println();
+
+    // Now let's go and ask for a protected resource!
+    System.out.println("Now we're going to access a protected resource...");
+    OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL + accessToken.getToken());
+    service.signRequest(accessToken, request);
+    Response response = request.send();
+    System.out.println("Got it! Lets see what we found...");
+    System.out.println();
+    System.out.println(response.getCode());
+    System.out.println(response.getBody());
+
+    System.out.println();
+    System.out.println("Thats it man! Go and build something awesome with Scribe! :)");
+
+  }
+}

src/test/java/org/scribe/examples/LoveFilmExample.java

@@ -0,0 +1,64 @@
+package org.scribe.examples;
+
+import java.util.*;
+
+import org.scribe.builder.*;
+import org.scribe.builder.api.*;
+import org.scribe.model.*;
+import org.scribe.oauth.*;
+
+public class LoveFilmExample
+{
+  private static final String NETWORK_NAME = "LoveFilm";
+  private static final String PROTECTED_RESOURCE_URL = "https://api.lovefilm.com/users";
+
+  public static void main(String[] args)
+  {
+    // Replace these with your own api key and secret
+    String apiKey = "your_key";
+    String apiSecret = "your_secret";
+    OAuthService service = new ServiceBuilder().provider(LoveFilmApi.class).apiKey(apiKey).apiSecret(apiSecret).build();
+    Scanner in = new Scanner(System.in);
+
+    System.out.println("=== " + NETWORK_NAME + "'s OAuth Workflow ===");
+    System.out.println();
+
+    // Grab a request token.
+    System.out.println("Fetching request token.");
+    Token requestToken = service.getRequestToken();
+    System.out.println("Got it ... ");
+    System.out.println(requestToken.getToken());
+
+    // Obtain the Authorization URL
+    System.out.println("Fetching the Authorization URL...");
+    String authorizationUrl = service.getAuthorizationUrl(requestToken);
+    System.out.println("Got the Authorization URL!");
+    System.out.println("Now go and authorize Scribe here:");
+    System.out.println(authorizationUrl);
+    System.out.println("And paste the authorization code here");
+    System.out.print(">>");
+    Verifier verifier = new Verifier(in.nextLine());
+    System.out.println();
+
+    // Trade the Request Token and Verfier for the Access Token
+    System.out.println("Trading the Request Token for an Access Token...");
+    Token accessToken = service.getAccessToken(requestToken, verifier);
+    System.out.println("Got the Access Token!");
+    System.out.println("(if your curious it looks like this: " + accessToken + " )");
+    System.out.println();
+
+    // Now let's go and ask for a protected resource!
+    System.out.println("Now we're going to access a protected resource...");
+    OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
+    service.signRequest(accessToken, request);
+    Response response = request.send();
+    System.out.println("Got it! Lets see what we found...");
+    System.out.println();
+    System.out.println(response.getCode());
+    System.out.println(response.getBody());
+
+    System.out.println();
+    System.out.println("Thats it man! Go and build something awesome with Scribe! :)");
+
+  }
+}

src/test/java/org/scribe/examples/NeteaseWeiboExample.java

@@ -0,0 +1,68 @@
+package org.scribe.examples;
+
+import java.util.*;
+
+import org.scribe.builder.*;
+import org.scribe.builder.api.*;
+import org.scribe.model.*;
+import org.scribe.oauth.*;
+
+public class NeteaseWeiboExample
+{
+	private static final String NETWORK_NAME = "NetEase(163.com) Weibo";
+	private static final String PROTECTED_RESOURCE_URL = "http://api.t.163.com/account/verify_credentials.json";
+
+	public static void main(String[] args)
+	{
+		// Replace these with your own api key and secret
+		String apiKey = "your key";
+		String apiSecret = "your secret";
+		OAuthService service = new ServiceBuilder()
+				                        .provider(NeteaseWeibooApi.class)
+				                        .apiKey(apiKey)
+				                        .apiSecret(apiSecret)
+				                        .build();
+		Scanner in = new Scanner(System.in);
+
+		System.out.println("=== " + NETWORK_NAME + "'s OAuth Workflow ===");
+		System.out.println();
+
+		// Grab a request token.
+		System.out.println("Fetching request token.");
+		Token requestToken = service.getRequestToken();
+		System.out.println("Got it ... ");
+		System.out.println(requestToken.getToken());
+
+		// Obtain the Authorization URL
+		System.out.println("Fetching the Authorization URL...");
+		String authorizationUrl = service.getAuthorizationUrl(requestToken);
+		System.out.println("Got the Authorization URL!");
+		System.out.println("Now go and authorize Scribe here:");
+		System.out.println(authorizationUrl);
+		System.out.println("And paste the authorization code here");
+		System.out.print(">>");
+		Verifier verifier = new Verifier(in.nextLine());
+		System.out.println();
+
+		// Trade the Request Token and Verfier for the Access Token
+		System.out.println("Trading the Request Token for an Access Token...");
+		Token accessToken = service.getAccessToken(requestToken, verifier);
+		System.out.println("Got the Access Token!");
+		System.out.println("(if your curious it looks like this: "
+				+ accessToken + " )");
+		System.out.println();
+
+		// Now let's go and ask for a protected resource!
+		System.out.println("Now we're going to access a protected resource...");
+		OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
+		service.signRequest(accessToken, request);
+		Response response = request.send();
+		System.out.println("Got it! Lets see what we found...");
+		System.out.println();
+		System.out.println(response.getCode());
+		System.out.println(response.getBody());
+
+		System.out.println();
+		System.out.println("Thats it man! Go and build something awesome with Scribe! :)");
+	}
+}

src/test/java/org/scribe/examples/SinaWeiboExample.java

@@ -0,0 +1,68 @@
+package org.scribe.examples;
+
+import java.util.*;
+
+import org.scribe.builder.*;
+import org.scribe.builder.api.*;
+import org.scribe.model.*;
+import org.scribe.oauth.*;
+
+public class SinaWeiboExample
+{
+	private static final String NETWORK_NAME = "SinaWeibo";
+	private static final String PROTECTED_RESOURCE_URL = "http://api.t.sina.com.cn/account/verify_credentials.json";
+
+	public static void main(String[] args)
+	{
+		// Replace these with your own api key and secret
+		String apiKey = "your key";
+		String apiSecret = "your secret";
+		OAuthService service = new ServiceBuilder()
+				                        .provider(SinaWeiboApi.class)
+				                        .apiKey(apiKey)
+				                        .apiSecret(apiSecret)
+				                        .build();
+		Scanner in = new Scanner(System.in);
+
+		System.out.println("=== " + NETWORK_NAME + "'s OAuth Workflow ===");
+		System.out.println();
+
+		// Grab a request token.
+		System.out.println("Fetching request token.");
+		Token requestToken = service.getRequestToken();
+		System.out.println("Got it ... ");
+		System.out.println(requestToken.getToken());
+
+		// Obtain the Authorization URL
+		System.out.println("Fetching the Authorization URL...");
+		String authorizationUrl = service.getAuthorizationUrl(requestToken);
+		System.out.println("Got the Authorization URL!");
+		System.out.println("Now go and authorize Scribe here:");
+		System.out.println(authorizationUrl);
+		System.out.println("And paste the authorization code here");
+		System.out.print(">>");
+		Verifier verifier = new Verifier(in.nextLine());
+		System.out.println();
+
+		// Trade the Request Token and Verfier for the Access Token
+		System.out.println("Trading the Request Token for an Access Token...");
+		Token accessToken = service.getAccessToken(requestToken, verifier);
+		System.out.println("Got the Access Token!");
+		System.out.println("(if your curious it looks like this: "
+				+ accessToken + " )");
+		System.out.println();
+
+		// Now let's go and ask for a protected resource!
+		System.out.println("Now we're going to access a protected resource...");
+		OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
+		service.signRequest(accessToken, request);
+		Response response = request.send();
+		System.out.println("Got it! Lets see what we found...");
+		System.out.println();
+		System.out.println(response.getCode());
+		System.out.println(response.getBody());
+
+		System.out.println();
+		System.out.println("Thats it man! Go and build something awesome with Scribe! :)");
+	}
+}

src/test/java/org/scribe/examples/SohuWeiboExample.java

@@ -0,0 +1,68 @@
+package org.scribe.examples;
+
+import java.util.*;
+
+import org.scribe.builder.*;
+import org.scribe.builder.api.*;
+import org.scribe.model.*;
+import org.scribe.oauth.*;
+
+public class SohuWeiboExample
+{
+	private static final String NETWORK_NAME = "SohuWeibo";
+	private static final String PROTECTED_RESOURCE_URL = "http://api.t.sohu.com/account/verify_credentials.json";
+
+	public static void main(String[] args)
+	{
+		// Replace these with your own api key and secret
+		String apiKey = "your_key";
+		String apiSecret = "your_secret";
+		OAuthService service = new ServiceBuilder()
+				                        .provider(SohuWeiboApi.class)
+				                        .apiKey(apiKey)
+				                        .apiSecret(apiSecret)
+				                        .build();
+		Scanner in = new Scanner(System.in);
+
+		System.out.println("=== " + NETWORK_NAME + "'s OAuth Workflow ===");
+		System.out.println();
+
+		// Grab a request token.
+		System.out.println("Fetching request token.");
+		Token requestToken = service.getRequestToken();
+		System.out.println("Got it ... ");
+		System.out.println(requestToken.getToken());
+
+		// Obtain the Authorization URL
+		System.out.println("Fetching the Authorization URL...");
+		String authorizationUrl = service.getAuthorizationUrl(requestToken);
+		System.out.println("Got the Authorization URL!");
+		System.out.println("Now go and authorize Scribe here:");
+		System.out.println(authorizationUrl);
+		System.out.println("And paste the authorization code here");
+		System.out.print(">>");
+		Verifier verifier = new Verifier(in.nextLine());
+		System.out.println();
+
+		// Trade the Request Token and Verfier for the Access Token
+		System.out.println("Trading the Request Token for an Access Token...");
+		Token accessToken = service.getAccessToken(requestToken, verifier);
+		System.out.println("Got the Access Token!");
+		System.out.println("(if your curious it looks like this: "
+				+ accessToken + " )");
+		System.out.println();
+
+		// Now let's go and ask for a protected resource!
+		System.out.println("Now we're going to access a protected resource...");
+		OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
+		service.signRequest(accessToken, request);
+		Response response = request.send();
+		System.out.println("Got it! Lets see what we found...");
+		System.out.println();
+		System.out.println(response.getCode());
+		System.out.println(response.getBody());
+
+		System.out.println();
+		System.out.println("Thats it man! Go and build something awesome with Scribe! :)");
+	}
+}

src/test/java/org/scribe/examples/TwitterExample.java

@@ -9,8 +9,7 @@ import org.scribe.oauth.*;
 
 public class TwitterExample
 {
-  private static final String AUTHORIZE_URL = "https://twitter.com/oauth/authorize?oauth_token=";
-  private static final String PROTECTED_RESOURCE_URL = "http://api.twitter.com/1/account/verify_credentials.xml";
+  private static final String PROTECTED_RESOURCE_URL = "https://api.twitter.com/1/statuses/update.json";
   
   public static void main(String[] args)
   {
@@ -31,7 +30,7 @@ public class TwitterExample
     System.out.println();
 
     System.out.println("Now go and authorize Scribe here:");
-    System.out.println(AUTHORIZE_URL + requestToken.getToken());
+    System.out.println(service.getAuthorizationUrl(requestToken));
     System.out.println("And paste the verifier here");
     System.out.print(">>");
     Verifier verifier = new Verifier(in.nextLine());
@@ -46,7 +45,8 @@ public class TwitterExample
 
     // Now let's go and ask for a protected resource!
     System.out.println("Now we're going to access a protected resource...");
-    OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
+    OAuthRequest request = new OAuthRequest(Verb.POST, PROTECTED_RESOURCE_URL);
+    request.addBodyParameter("status", "this is sparta! *");
     service.signRequest(accessToken, request);
     Response response = request.send();
     System.out.println("Got it! Lets see what we found...");

src/test/java/org/scribe/examples/VkontakteExample.java

@@ -0,0 +1,68 @@
+package org.scribe.examples;
+
+import org.scribe.builder.*;
+import org.scribe.builder.api.*;
+import org.scribe.model.*;
+import org.scribe.oauth.*;
+
+import java.util.*;
+
+/**
+ * @author Boris G. Tsirkin <mail@dotbg.name>
+ * @since 20.4.2011
+ */
+public class VkontakteExample
+{
+  private static final String NETWORK_NAME = "Vkontakte.ru";
+  private static final String PROTECTED_RESOURCE_URL = "https://api.vkontakte.ru/method/friends.get";
+  private static final Token EMPTY_TOKEN = null;
+
+  public static void main(String[] args)
+  {
+    // Replace these with your own api key and secret
+    final String clientId = "your app id";
+    final String apiSecret = "your api secret";
+    OAuthService service = new ServiceBuilder()
+                                  .provider(VkontakteApi.class)
+                                  .apiKey(clientId)
+                                  .apiSecret(apiSecret)
+                                  .scope("friends,wall,offline") // replace with desired scope
+                                  .callback("http://your.site.com/callback")
+                                  .build();
+    Scanner in = new Scanner(System.in);
+
+    System.out.println("=== " + NETWORK_NAME + "'s OAuth Workflow ===");
+    System.out.println();
+
+    // Obtain the Authorization URL
+    System.out.println("Fetching the Authorization URL...");
+    String authorizationUrl = service.getAuthorizationUrl(EMPTY_TOKEN);
+    System.out.println("Got the Authorization URL!");
+    System.out.println("Now go and authorize Scribe here:");
+    System.out.println(authorizationUrl);
+    System.out.println("And paste the authorization code here");
+    System.out.print(">>");
+    Verifier verifier = new Verifier(in.nextLine());
+    System.out.println();
+
+    // Trade the Request Token and Verfier for the Access Token
+    System.out.println("Trading the Request Token for an Access Token...");
+    Token accessToken = service.getAccessToken(EMPTY_TOKEN, verifier);
+    System.out.println("Got the Access Token!");
+    System.out.println("(if your curious it looks like this: " + accessToken + " )");
+    System.out.println();
+
+    // Now let's go and ask for a protected resource!
+    System.out.println("Now we're going to access a protected resource...");
+    OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
+    service.signRequest(accessToken, request);
+    Response response = request.send();
+    System.out.println("Got it! Lets see what we found...");
+    System.out.println();
+    System.out.println(response.getCode());
+    System.out.println(response.getBody());
+
+    System.out.println();
+    System.out.println("Thats it man! Go and build something awesome with Scribe! :)");
+  }
+}

src/test/java/org/scribe/examples/YahooExample.java

@@ -9,20 +9,18 @@ import org.scribe.oauth.*;
 
 public class YahooExample
 {
-  private static final String NETWORK_NAME = "Yahoo";
-  private static final String AUTHORIZE_URL = "https://api.login.yahoo.com/oauth/v2/request_auth?oauth_token=";
   private static final String PROTECTED_RESOURCE_URL = "http://social.yahooapis.com/v1/user/A6ROU63MXWDCW3Y5MGCYWVHDJI/profile/status?format=json";
 
   public static void main(String[] args)
   {
     OAuthService service = new ServiceBuilder()
-                                  .provider(YahooApi.class)
-                                  .apiKey("dj0yJmk9TXZDWVpNVVdGaVFmJmQ9WVdrOWMweHZXbkZLTkhVbWNHbzlNVEl5TWprd05qUTJNZy0tJnM9Y29uc3VtZXJzZWNyZXQmeD0wMw--")
-                                  .apiSecret("262be559f92a2be20c4c039419018f2b48cdfce9")
-                                  .build();
+                                .provider(YahooApi.class)
+                                .apiKey("dj0yJmk9TXZDWVpNVVdGaVFmJmQ9WVdrOWMweHZXbkZLTkhVbWNHbzlNVEl5TWprd05qUTJNZy0tJnM9Y29uc3VtZXJzZWNyZXQmeD0wMw--")
+                                .apiSecret("262be559f92a2be20c4c039419018f2b48cdfce9")
+                                .build();
     Scanner in = new Scanner(System.in);
 
-    System.out.println("=== " + NETWORK_NAME + "'s OAuth Workflow ===");
+    System.out.println("=== Yahoo's OAuth Workflow ===");
     System.out.println();
 
     // Obtain the Request Token
@@ -32,7 +30,7 @@ public class YahooExample
     System.out.println();
 
     System.out.println("Now go and authorize Scribe here:");
-    System.out.println(AUTHORIZE_URL + requestToken.getToken());
+    System.out.println(service.getAuthorizationUrl(requestToken));
     System.out.println("And paste the verifier here");
     System.out.print(">>");
     Verifier verifier = new Verifier(in.nextLine());

src/test/java/org/scribe/extractors/BaseStringExtractorTest.java

@@ -23,7 +23,7 @@ public class BaseStringExtractorTest
   @Test
   public void shouldExtractBaseStringFromOAuthRequest()
   {
-    String expected = "GET&http%3A%2F%2Fexample.com&oauth_callback%3Dhttp%253A%252F%252Fexample%252Fcallback%26oauth_consumer_key%3DAS%2523%2524%255E*%2540%2526%26oauth_signature%3DOAuth-Signature%26oauth_timestamp%3D123456";
+    String expected = "GET&http%3A%2F%2Fexample.com&oauth_callback%3Dhttp%253A%252F%252Fexample%252Fcallback%26oauth_consumer_key%3DAS%2523%2524%255E%252A%2540%2526%26oauth_signature%3DOAuth-Signature%26oauth_timestamp%3D123456";
     String baseString = extractor.extract(request);
     assertEquals(expected, baseString);
   }
@@ -41,4 +41,12 @@ public class BaseStringExtractorTest
     OAuthRequest request = new OAuthRequest(Verb.GET, "http://example.com");
     extractor.extract(request);
   }
+
+  @Test
+  public void shouldProperlyEncodeSpaces()
+  {
+    String expected = "GET&http%3A%2F%2Fexample.com&body%3Dthis%2520param%2520has%2520whitespace%26oauth_callback%3Dhttp%253A%252F%252Fexample%252Fcallback%26oauth_consumer_key%3DAS%2523%2524%255E%252A%2540%2526%26oauth_signature%3DOAuth-Signature%26oauth_timestamp%3D123456";
+    request.addBodyParameter("body", "this param has whitespace");
+    assertEquals(expected, extractor.extract(request));
+  }
 }

src/test/java/org/scribe/extractors/HeaderExtractorTest.java

@@ -24,7 +24,7 @@ public class HeaderExtractorTest
   public void shouldExtractStandardHeader()
   {
     String expected = "OAuth oauth_callback=\"http%3A%2F%2Fexample%2Fcallback\", " + "oauth_signature=\"OAuth-Signature\", "
-        + "oauth_consumer_key=\"AS%23%24%5E*%40%26\", " + "oauth_timestamp=\"123456\"";
+        + "oauth_consumer_key=\"AS%23%24%5E%2A%40%26\", " + "oauth_timestamp=\"123456\"";
     String header = extractor.extract(request);
     assertEquals(expected, header);
   }

src/test/java/org/scribe/extractors/JsonTokenExtractorTest.java

@@ -0,0 +1,31 @@
+package org.scribe.extractors;
+
+import static org.junit.Assert.*;
+
+import org.junit.*;
+import org.scribe.model.*;
+
+public class JsonTokenExtractorTest
+{
+  private String response = "'{ \"access_token\":\"I0122HHJKLEM21F3WLPYHDKGKZULAUO4SGMV3ABKFTDT3T3X\"}'";
+  private JsonTokenExtractor extractor = new JsonTokenExtractor();
+
+  @Test
+  public void shouldParseResponse()
+  {
+    Token token = extractor.extract(response);
+    assertEquals(token.getToken(), "I0122HHJKLEM21F3WLPYHDKGKZULAUO4SGMV3ABKFTDT3T3X");
+  }
+
+  @Test(expected=IllegalArgumentException.class)
+  public void shouldThrowExceptionIfForNullParameters()
+  {
+    extractor.extract(null);
+  }
+
+  @Test(expected=IllegalArgumentException.class)
+  public void shouldThrowExceptionIfForEmptyStrings()
+  {
+    extractor.extract("");
+  }
+}

src/test/java/org/scribe/extractors/TokenExtractor20Test.java

@@ -0,0 +1,67 @@
+package org.scribe.extractors;
+
+import static org.junit.Assert.*;
+
+import org.junit.*;
+import org.scribe.exceptions.*;
+import org.scribe.model.*;
+
+public class TokenExtractor20Test
+{
+
+  private TokenExtractor20Impl extractor;
+
+  @Before
+  public void setup()
+  {
+    extractor = new TokenExtractor20Impl();
+  }
+
+  @Test
+  public void shouldExtractTokenFromOAuthStandardResponse()
+  {
+    String response = "access_token=166942940015970|2.2ltzWXYNDjCtg5ZDVVJJeg__.3600.1295816400-548517159|RsXNdKrpxg8L6QNLWcs2TVTmcaE";
+    Token extracted = extractor.extract(response);
+    assertEquals("166942940015970|2.2ltzWXYNDjCtg5ZDVVJJeg__.3600.1295816400-548517159|RsXNdKrpxg8L6QNLWcs2TVTmcaE", extracted.getToken());
+    assertEquals("", extracted.getSecret());
+  }
+
+  @Test
+  public void shouldExtractTokenFromResponseWithExpiresParam()
+  {
+    String response = "access_token=166942940015970|2.2ltzWXYNDjCtg5ZDVVJJeg__.3600.1295816400-548517159|RsXNdKrpxg8L6QNLWcs2TVTmcaE&expires=5108";
+    Token extracted = extractor.extract(response);
+    assertEquals("166942940015970|2.2ltzWXYNDjCtg5ZDVVJJeg__.3600.1295816400-548517159|RsXNdKrpxg8L6QNLWcs2TVTmcaE", extracted.getToken());
+    assertEquals("", extracted.getSecret());
+  }
+
+  @Test
+  public void shouldExtractTokenFromResponseWithManyParameters()
+  {
+    String response = "access_token=foo1234&other_stuff=yeah_we_have_this_too&number=42";
+    Token extracted = extractor.extract(response);
+    assertEquals("foo1234", extracted.getToken());
+    assertEquals("", extracted.getSecret());
+  }
+
+  @Test(expected = OAuthException.class)
+  public void shouldThrowExceptionIfTokenIsAbsent()
+  {
+    String response = "&expires=5108";
+    extractor.extract(response);
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldThrowExceptionIfResponseIsNull()
+  {
+    String response = null;
+    extractor.extract(response);
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldThrowExceptionIfResponseIsEmptyString()
+  {
+    String response = "";
+    extractor.extract(response);
+  }
+}

src/test/java/org/scribe/extractors/TokenExtractorTest.java

@@ -26,6 +26,15 @@ public class TokenExtractorTest
     assertEquals("hdhd0244k9j7ao03", extracted.getSecret());
   }
 
+  @Test
+  public void shouldExtractTokenFromInvertedOAuthStandardResponse()
+  {
+    String response = "oauth_token_secret=hh5s93j4hdidpola&oauth_token=hdhd0244k9j7ao03";
+    Token extracted = extractor.extract(response);
+    assertEquals("hh5s93j4hdidpola", extracted.getSecret());
+    assertEquals("hdhd0244k9j7ao03", extracted.getToken());
+  }
+
   @Test
   public void shouldExtractTokenFromResponseWithCallbackConfirmed()
   {

src/test/java/org/scribe/model/ConnectionStub.java

@@ -22,6 +22,12 @@ public class ConnectionStub extends HttpURLConnection
     headers.put(key, value);
   }
 
+  @Override
+  public String getRequestProperty(String s)
+  {
+    return headers.get(s);
+  }
+
   public Map<String, String> getHeaders()
   {
     return headers;

src/test/java/org/scribe/model/OAuthConfigTest.java

@@ -1,31 +0,0 @@
-package org.scribe.model;
-
-import static org.junit.Assert.*;
-
-import org.junit.*;
-
-public class OAuthConfigTest
-{
-
-  @Test
-  public void shouldReturnDefaultValuesIfNotSet()
-  {
-    OAuthConfig config = new OAuthConfig();
-    assertEquals(Verb.GET, config.getAccessTokenVerb());
-    assertEquals(Verb.GET, config.getRequestTokenVerb());
-    assertEquals(OAuthConstants.OUT_OF_BAND, config.getCallback());
-  }
-
-  @Test
-  public void shouldOverrideDefaultsIfSet()
-  {
-    OAuthConfig config = new OAuthConfig();
-    config.setCallback("http://callback");
-    config.setAccessTokenVerb(Verb.POST);
-    config.setRequestTokenVerb(Verb.POST);
-    assertEquals("http://callback", config.getCallback());
-    assertEquals(Verb.POST, config.getAccessTokenVerb());
-    assertEquals(Verb.POST, config.getRequestTokenVerb());
-  }
-
-}

src/test/java/org/scribe/model/OAuthRequestTest.java

@@ -21,8 +21,9 @@ public class OAuthRequestTest
     request.addOAuthParameter(OAuthConstants.TOKEN, "token");
     request.addOAuthParameter(OAuthConstants.NONCE, "nonce");
     request.addOAuthParameter(OAuthConstants.TIMESTAMP, "ts");
+    request.addOAuthParameter(OAuthConstants.SCOPE, "feeds");
 
-    assertEquals(3, request.getOauthParameters().size());
+    assertEquals(4, request.getOauthParameters().size());
   }
 
   @Test(expected = IllegalArgumentException.class)

src/test/java/org/scribe/model/ParameterListTest.java

@@ -0,0 +1,91 @@
+package org.scribe.model;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotSame;
+
+/**
+ * @author: Pablo Fernandez
+ */
+public class ParameterListTest
+{
+  private ParameterList params;
+
+  @Before
+  public void setup()
+  {
+    this.params = new ParameterList();
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldThrowExceptionWhenAppendingNullMapToQuerystring()
+  {
+    String url = null;
+    params.appendTo(url);
+  }
+
+  @Test
+  public void shouldAppendNothingToQuerystringIfGivenEmptyMap()
+  {
+    String url = "http://www.example.com";
+    Assert.assertEquals(url, params.appendTo(url));
+  }
+
+  @Test
+  public void shouldAppendParametersToSimpleUrl()
+  {
+    String url = "http://www.example.com";
+    String expectedUrl = "http://www.example.com?param1=value1&param2=value%20with%20spaces";
+
+    params.add("param1", "value1");
+    params.add("param2", "value with spaces");
+
+    url = params.appendTo(url);
+    Assert.assertEquals(url, expectedUrl);
+  }
+
+  @Test
+  public void shouldAppendParametersToUrlWithQuerystring()
+  {
+    String url = "http://www.example.com?already=present";
+    String expectedUrl = "http://www.example.com?already=present&param1=value1&param2=value%20with%20spaces";
+
+    params.add("param1", "value1");
+    params.add("param2", "value with spaces");
+
+    url = params.appendTo(url);
+    Assert.assertEquals(url, expectedUrl);
+  }
+
+  @Test
+  public void shouldProperlySortParameters()
+  {
+    params.add("param1", "v1");
+    params.add("param6", "v2");
+    params.add("a_param", "v3");
+    params.add("param2", "v4");
+    Assert.assertEquals("a_param=v3&param1=v1&param2=v4&param6=v2", params.sort().asFormUrlEncodedString());
+  }
+
+  @Test
+  public void shouldProperlySortParametersWithTheSameName()
+  {
+    params.add("param1", "v1");
+    params.add("param6", "v2");
+    params.add("a_param", "v3");
+    params.add("param1", "v4");
+    Assert.assertEquals("a_param=v3&param1=v1&param1=v4&param6=v2", params.sort().asFormUrlEncodedString());
+  }
+
+  @Test
+  public void shouldNotModifyTheOriginalParameterList()
+  {
+    params.add("param1", "v1");
+    params.add("param6", "v2");
+
+    assertNotSame(params, params.sort());
+  }
+}

src/test/java/org/scribe/model/RequestTest.java

@@ -6,7 +6,6 @@ import org.junit.*;
 
 public class RequestTest
 {
-
   private Request getRequest;
   private Request postRequest;
   private ConnectionStub connection;
@@ -16,8 +15,10 @@ public class RequestTest
   {
     connection = new ConnectionStub();
     postRequest = new Request(Verb.POST, "http://example.com");
+    postRequest.addBodyParameter("param", "value");
+    postRequest.addBodyParameter("param with spaces", "value with spaces");
     postRequest.setConnection(connection);
-    getRequest = new Request(Verb.GET, "http://example.com?qsparam=value&other=value+with+spaces");
+    getRequest = new Request(Verb.GET, "http://example.com?qsparam=value&other+param=value+with+spaces");
     getRequest.setConnection(connection);
   }
 
@@ -33,7 +34,7 @@ public class RequestTest
   {
     assertEquals(2, getRequest.getQueryStringParams().size());
     assertEquals(0, postRequest.getQueryStringParams().size());
-    assertTrue(getRequest.getQueryStringParams().containsKey("qsparam"));
+    assertTrue(getRequest.getQueryStringParams().contains(new Parameter("qsparam", "value")));
   }
 
   @Test
@@ -47,12 +48,10 @@ public class RequestTest
   }
 
   @Test
-  public void shouldSetBodyParamsAndHeaders()
+  public void shouldSetBodyParamsAndAddContentLength()
   {
-    postRequest.addBodyParameter("param", "value");
-    postRequest.addBodyParameter("param two", "value with spaces");
+    assertEquals("param=value&param%20with%20spaces=value%20with%20spaces", postRequest.getBodyContents());
     postRequest.send();
-    assertEquals("param+two=value+with+spaces&param=value", postRequest.getBodyContents());
     assertTrue(connection.getHeaders().containsKey("Content-Length"));
   }
 
@@ -65,4 +64,65 @@ public class RequestTest
     assertTrue(connection.getHeaders().containsKey("Content-Length"));
   }
 
+  @Test
+  public void shouldAllowAddingQuerystringParametersAfterCreation()
+  {
+    Request request = new Request(Verb.GET, "http://example.com?one=val");
+    request.addQuerystringParameter("two", "other val");
+    request.addQuerystringParameter("more", "params");
+    assertEquals(3, request.getQueryStringParams().size());
+  }
+
+   @Test
+  public void shouldReturnTheCompleteUrl()
+  {
+    Request request = new Request(Verb.GET, "http://example.com?one=val");
+    request.addQuerystringParameter("two", "other val");
+    request.addQuerystringParameter("more", "params");
+    assertEquals("http://example.com?one=val&two=other%20val&more=params", request.getCompleteUrl());
+  }
+
+  @Test
+  public void shouldHandleQueryStringSpaceEncodingProperly()
+  {
+    assertTrue(getRequest.getQueryStringParams().contains(new Parameter("other param","value with spaces")));
+  }
+
+  @Test
+  public void shouldAutomaticallyAddContentTypeForPostRequestsWithBytePayload()
+  {
+    postRequest.addPayload("PAYLOAD".getBytes());
+    postRequest.send();
+    assertEquals(Request.DEFAULT_CONTENT_TYPE, connection.getHeaders().get("Content-Type"));
+  }
+
+  @Test
+  public void shouldAutomaticallyAddContentTypeForPostRequestsWithStringPayload()
+  {
+    postRequest.addPayload("PAYLOAD");
+    postRequest.send();
+    assertEquals(Request.DEFAULT_CONTENT_TYPE, connection.getHeaders().get("Content-Type"));
+  }
+
+  @Test
+  public void shouldAutomaticallyAddContentTypeForPostRequestsWithBodyParameters()
+  {
+    postRequest.send();
+    assertEquals(Request.DEFAULT_CONTENT_TYPE, connection.getHeaders().get("Content-Type"));
+  }
+
+  @Test
+  public void shouldBeAbleToOverrideItsContentType()
+  {
+    postRequest.addHeader("Content-Type", "my-content-type");
+    postRequest.send();
+    assertEquals("my-content-type", connection.getHeaders().get("Content-Type"));
+  }
+
+  @Test
+  public void shouldNotAddContentTypeForGetRequests()
+  {
+    getRequest.send();
+    assertFalse(connection.getHeaders().containsKey("Content-Type"));
+  }
 }

src/test/java/org/scribe/services/HMACSha1SignatureServiceTest.java

@@ -3,7 +3,7 @@ package org.scribe.services;
 import static org.junit.Assert.*;
 
 import org.junit.*;
-import org.scribe.exceptions.OAuthException;
+import org.scribe.exceptions.*;
 
 public class HMACSha1SignatureServiceTest
 {
@@ -29,7 +29,7 @@ public class HMACSha1SignatureServiceTest
     String apiSecret = "api secret";
     String tokenSecret = "token secret";
     String baseString = "base string";
-    String signature = "cyxvUDZY/5cQBcBiKulaNgnhN/w=";
+    String signature = "uGymw2KHOTWI699YEaoi5xyLT50=";
     assertEquals(signature, service.getSignature(baseString, apiSecret, tokenSecret));
   }
 

src/test/java/org/scribe/utils/MapUtilsTest.java

@@ -1,53 +1,35 @@
 package org.scribe.utils;
 
-import static org.junit.Assert.*;
-
 import java.util.*;
-
 import org.junit.*;
 
+/**
+ * @author: Pablo Fernandez
+ */
 public class MapUtilsTest
 {
 
-  private Map<String, String> unsorted;
-
-  @Before
-  public void setup()
+  @Test
+  public void shouldPrettyPrintMap()
   {
-    unsorted = new LinkedHashMap<String, String>();
-    unsorted.put("d", "fourth");
-    unsorted.put("a", "first");
-    unsorted.put("c", "third");
-    unsorted.put("b", "second");
+    Map<Integer, String> map = new HashMap<Integer, String>();
+    map.put(1, "one");
+    map.put(2, "two");
+    map.put(3, "three");
+    map.put(4, "four");
+    Assert.assertEquals("{ 1 -> one , 2 -> two , 3 -> three , 4 -> four }", MapUtils.toString(map));
   }
 
   @Test
-  public void shouldSortMap()
+  public void shouldHandleEmptyMap()
   {
-    Map<String, String> sorted = MapUtils.sort(unsorted);
-    List<String> values = new ArrayList<String>(sorted.values());
-    assertEquals("first", values.get(0));
-    assertEquals("second", values.get(1));
-    assertEquals("third", values.get(2));
-    assertEquals("fourth", values.get(3));
+    Map<Integer, String> map = new HashMap<Integer, String>();
+    Assert.assertEquals("{}", MapUtils.toString(map));
   }
 
   @Test
-  public void shouldNotModifyTheOriginalMap()
+  public void shouldHandleNullInputs()
   {
-    Map<String, String> sorted = MapUtils.sort(unsorted);
-    assertNotSame(sorted, unsorted);
-
-    List<String> values = new ArrayList<String>(unsorted.values());
-    assertEquals("fourth", values.get(0));
-    assertEquals("first", values.get(1));
-    assertEquals("third", values.get(2));
-    assertEquals("second", values.get(3));
-  }
-
-  @Test(expected = IllegalArgumentException.class)
-  public void shouldThrowExceptionForNullMap()
-  {
-    MapUtils.sort(null);
+    Assert.assertEquals("", MapUtils.toString(null));
   }
 }

src/test/java/org/scribe/utils/OAuthEncoderTest.java

@@ -0,0 +1,70 @@
+package org.scribe.utils;
+
+import org.junit.*;
+import static org.junit.Assert.*;
+
+/**
+ * @author: Pablo Fernandez
+ */
+public class OAuthEncoderTest
+{
+  @Test
+  public void shouldPercentEncodeString()
+  {
+    String plain = "this is a test &^";
+    String encoded = "this%20is%20a%20test%20%26%5E";
+    assertEquals(encoded, OAuthEncoder.encode(plain));
+  }
+
+  @Test
+  public void shouldFormURLDecodeString()
+  {
+    String encoded = "this+is+a+test+%26%5E";
+    String plain = "this is a test &^";
+    assertEquals(plain, OAuthEncoder.decode(encoded));
+  }
+
+  @Test
+  public void shouldPercentEncodeAllSpecialCharacters()
+  {
+    String plain = "!*'();:@&=+$,/?#[]";
+    String encoded = "%21%2A%27%28%29%3B%3A%40%26%3D%2B%24%2C%2F%3F%23%5B%5D";
+    assertEquals(encoded, OAuthEncoder.encode(plain));
+    assertEquals(plain, OAuthEncoder.decode(encoded));
+  }
+
+  @Test
+  public void shouldNotPercentEncodeReservedCharacters()
+  {
+    String plain = "abcde123456-._~";
+    String encoded = plain;
+    assertEquals(encoded, OAuthEncoder.encode(plain));
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldThrowExceptionIfStringToEncodeIsNull()
+  {
+    String toEncode = null;
+    OAuthEncoder.encode(toEncode);
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldThrowExceptionIfStringToDecodeIsNull()
+  {
+    String toDecode = null;
+    OAuthEncoder.decode(toDecode);
+  }
+
+  @Test
+  public void shouldPercentEncodeCorrectlyTwitterCodingExamples()
+  {
+    // These tests are part of the Twitter dev examples here -> https://dev.twitter.com/docs/auth/percent-encoding-parameters
+    String sources[] = {"Ladies + Gentlemen", "An encoded string!", "Dogs, Cats & Mice"};
+    String encoded[] = {"Ladies%20%2B%20Gentlemen", "An%20encoded%20string%21", "Dogs%2C%20Cats%20%26%20Mice"};
+
+    for(int i = 0; i < sources.length; i++)
+    {
+      Assert.assertEquals(encoded[i], OAuthEncoder.encode(sources[i]));
+    }
+  }
+}

src/test/java/org/scribe/utils/PreconditionsTest.java

@@ -53,6 +53,17 @@ public class PreconditionsTest
     Preconditions.checkValidUrl("https://www.example.com", ERROR_MSG);
   }
   
+  public void shouldAllowNonStandarProtocolsForAndroid()
+  {
+    Preconditions.checkValidUrl("x-url-custom://www.example.com", ERROR_MSG);
+  }
+  
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldNotAllowStrangeProtocolNames()
+  {
+    Preconditions.checkValidUrl("$weird*://www.example.com", ERROR_MSG);
+  }
+  
   public void shouldAllowOutOfBandAsValidCallbackValue()
   {
     Preconditions.checkValidOAuthCallback("oob", ERROR_MSG);

src/test/java/org/scribe/utils/URLUtilsTest.java

@@ -1,75 +0,0 @@
-package org.scribe.utils;
-
-import static org.junit.Assert.*;
-
-import java.util.*;
-
-import org.junit.*;
-
-public class URLUtilsTest
-{
-
-  @Before
-  public void setup()
-  {
-
-  }
-
-  @Test
-  public void shouldPercentEncodeMap()
-  {
-    Map<String, String> params = new LinkedHashMap<String, String>();
-    params.put("key", "value");
-    params.put("key with spaces", "value with spaces");
-    params.put("&symbols!", "#!");
-
-    String expected = "key=value&key+with+spaces=value+with+spaces&%26symbols%21=%23%21";
-    assertEquals(expected, URLUtils.formURLEncodeMap(params));
-  }
-
-  @Test
-  public void shouldReturnEmptyStringForEmptyMap()
-  {
-    Map<String, String> params = new LinkedHashMap<String, String>();
-    String expected = "";
-    assertEquals(expected, URLUtils.formURLEncodeMap(params));
-  }
-
-  @Test
-  public void shouldPercentEncodeString()
-  {
-    String toEncode = "this is a test &^";
-    String expected = "this+is+a+test+%26%5E";
-    assertEquals(expected, URLUtils.percentEncode(toEncode));
-  }
-
-  @Test
-  public void shouldPercentDecodeString()
-  {
-    String toDecode = "this+is+a+test+%26%5E";
-    String expected = "this is a test &^";
-    assertEquals(expected, URLUtils.percentDecode(toDecode));
-  }
-
-  @Test(expected = IllegalArgumentException.class)
-  public void shouldThrowExceptionIfMapIsNull()
-  {
-    Map<String, String> nullMap = null;
-    URLUtils.formURLEncodeMap(nullMap);
-  }
-
-  @Test(expected = IllegalArgumentException.class)
-  public void shouldThrowExceptionIfStringToEncodeIsNull()
-  {
-    String toEncode = null;
-    URLUtils.percentEncode(toEncode);
-  }
-
-  @Test(expected = IllegalArgumentException.class)
-  public void shouldThrowExceptionIfStringToDecodeIsNull()
-  {
-    String toDecode = null;
-    URLUtils.percentDecode(toDecode);
-  }
-
-}