Changed version number for release

Renamed method to keep consistency

README.textile

@@ -32,6 +32,12 @@ h3. Supports all major OAuth APIs out-of-the-box
 
 * Foursquare
 
+* Evernote
+
+* Vimeo
+
+* Yammer
+
 * 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
@@ -48,6 +54,16 @@ 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>1.0.6</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!

changelog.txt

@@ -0,0 +1,26 @@
+[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)

pom.xml

@@ -4,8 +4,44 @@
   <groupId>org.scribe</groupId>
   <artifactId>scribe</artifactId>
   <packaging>jar</packaging>
-  <version>1.0.5</version>
+  <version>1.1.0</version>
-  <name>OAuth Library</name>
+  <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>
@@ -30,6 +67,19 @@
           <target>1.6</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

@@ -2,7 +2,6 @@ package org.scribe.builder;
 
 import org.scribe.builder.api.*;
 import org.scribe.exceptions.*;
-
 import org.scribe.model.*;
 import org.scribe.oauth.*;
 import org.scribe.utils.*;
@@ -20,7 +19,11 @@ public class ServiceBuilder
   private String apiSecret;
   private String callback;
   private Api api;
+  private String scope;
   
+  /**
+   * Default constructor
+   */
   public ServiceBuilder()
   {
     this.callback = OAuthConstants.OUT_OF_BAND;
@@ -92,6 +95,19 @@ 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;
+  }
+  
   /**
    * Returns the fully configured {@link OAuthService}
    * 
@@ -102,6 +118,6 @@ 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), scope);
   }
 }

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, String scope);
 }

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

@@ -5,74 +5,144 @@ 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, String scope)
   {
-    return new OAuth10aServiceImpl( getSignatureService(), 
+    OAuthService service = doCreateService(config);
-                                    getTimestampService(), 
+    service.addScope(scope);
-                                    getBaseStringExtractor(), 
+    return service;
-                                    getHeaderExtractor(), 
-                                    getRequestTokenExtractor(), 
-                                    getAccessTokenExtractor(), 
-                                    createConfig(apiKey, apiSecret, callback));
   }
-
+  
-  private OAuthConfig createConfig(String apiKey, String apiSecret, String callback)
+  private OAuthService doCreateService(OAuthConfig config)
   {
-    OAuthConfig config = new OAuthConfig();
+    return new OAuth10aServiceImpl(this, config);
-    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 +1,42 @@
+package org.scribe.builder.api;
+
+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 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, String scope)
+  {
+    return new OAuth20ServiceImpl(this, config);
+  }
+
+}

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 +1,16 @@
+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://graph.facebook.com/oauth/authorize?response_type=token&client_id=%s&redirect_uri=%s";
+
+  @Override
+  public String getAuthorizationUrl(OAuthConfig config)
+  {
+    Preconditions.checkValidUrl(config.getCallback(), "Must provide a valid url as callback. Facebook does not support OOB");
+    return String.format(AUTHORIZE_URL, config.getApiKey(), URLUtils.percentEncode(config.getCallback()));
+  }
+}

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

@@ -1,7 +1,11 @@
 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()
   {
@@ -13,4 +17,22 @@ public class GoogleApi extends DefaultApi10a
   {
     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/LinkedInApi.java

@@ -1,10 +1,10 @@
 package org.scribe.builder.api;
 
-import org.scribe.extensions.linkedin.*;
+import org.scribe.model.*;
-import org.scribe.extractors.*;
 
 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/TwitterApi.java

@@ -1,16 +1,26 @@
 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";
+  
   @Override
   public String getAccessTokenEndpoint()
   {
-    return "http://twitter.com/oauth/access_token";
+    return "http://api.twitter.com/oauth/access_token";
   }
 
   @Override
   public String getRequestTokenEndpoint()
   {
-    return "http://twitter.com/oauth/request_token";
+    return "http://api.twitter.com/oauth/request_token";
+  }
+  
+  @Override
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return String.format(AUTHORIZE_URL, requestToken.getToken());
   }
 }

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

@@ -1,7 +1,11 @@
 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()
   {
@@ -13,4 +17,10 @@ public class VimeoApi extends DefaultApi10a
   {
     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/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 +1,26 @@
+package org.scribe.builder.api;
+
+import org.scribe.model.Token;
+
+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());
+	}
+}

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

@@ -6,11 +6,20 @@ 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);

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

@@ -6,11 +6,20 @@ 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);

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/TokenExtractorImpl.java

@@ -6,14 +6,23 @@ 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 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");
 
     Matcher matcher = Pattern.compile(TOKEN_REGEX).matcher(response);
     if (matcher.matches())
@@ -23,7 +32,7 @@ public class TokenExtractorImpl implements RequestTokenExtractor, AccessTokenExt
       return new Token(token, secret);
     } 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 a token from this: '" + response + "'", null);
     }
   }
 }

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

@@ -1,14 +1,27 @@
 package org.scribe.model;
 
+/**
+ * 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;
+  public OAuthConfig(String key, String secret)
-  private Verb requestTokenVerb;
+  {
-  private Verb accessTokenVerb;
+    this(key,secret,null);
+  }
+  
+  public OAuthConfig(String key, String secret, String callback)
+  {
+    this.apiKey = key;
+    this.apiSecret = secret;
+    this.callback = callback;
+  }
 
   public String getApiKey()
   {
@@ -39,45 +52,4 @@ public class OAuthConfig
   {
     this.callback = callback;
   }
-
-  public String getRequestTokenEndpoint()
-  {
-    return requestTokenEndpoint;
-  }
-
-  public void setRequestTokenEndpoint(String requestTokenEndpoint)
-  {
-    this.requestTokenEndpoint = requestTokenEndpoint;
-  }
-
-  public String getAccessTokenEndpoint()
-  {
-    return accessTokenEndpoint;
-  }
-
-  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 +37,8 @@ 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";
 }

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))
+    if (key.startsWith(OAUTH_PREFIX) || key.equals(OAuthConstants.SCOPE))
-    {
-      throw new IllegalArgumentException(String.format("OAuth parameters must start with '%s'", OAUTH_PREFIX));
-    } else
     {
       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/Request.java

@@ -3,6 +3,7 @@ package org.scribe.model;
 import java.io.*;
 import java.net.*;
 import java.util.*;
+import java.util.concurrent.TimeUnit;
 
 import org.scribe.exceptions.*;
 import org.scribe.utils.*;
@@ -14,15 +15,14 @@ import org.scribe.utils.*;
  */
 class Request
 {
-
   private static final String CONTENT_LENGTH = "Content-Length";
 
   private String url;
   private Verb verb;
+  private Map<String, String> querystringParams;
   private Map<String, String> bodyParams;
   private Map<String, String> headers;
   private String payload = null;
-  private Integer timeout = null;
   private HttpURLConnection connection;
 
   /**
@@ -35,16 +35,9 @@ class Request
   {
     this.verb = verb;
     this.url = url;
+    this.querystringParams = new HashMap<String, String>();
     this.bodyParams = new HashMap<String, String>();
     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);
-    }
   }
 
   /**
@@ -58,6 +51,7 @@ class Request
   {
     try
     {
+      createConnection();
       return doSend();
     } catch (IOException ioe)
     {
@@ -65,6 +59,15 @@ class Request
     }
   }
 
+  private void createConnection() throws IOException
+  {
+    String effectiveUrl = URLUtils.appendParametersToQueryString(url, querystringParams);
+    if (connection == null)
+    {
+      connection = (HttpURLConnection) new URL(effectiveUrl).openConnection();
+    }
+  }
+
   Response doSend() throws IOException
   {
     connection.setRequestMethod(this.verb.name());
@@ -92,8 +95,8 @@ class Request
   /**
    * Add an HTTP Header to the Request
    * 
-   * @param name
+   * @param key the header name
-   * @param value
+   * @param value the header value
    */
   public void addHeader(String key, String value)
   {
@@ -103,14 +106,25 @@ class Request
   /**
    * Add a body Parameter (for POST/ PUT Requests)
    * 
-   * @param name
+   * @param key the parameter name
-   * @param value
+   * @param value the parameter value
    */
   public void addBodyParameter(String key, String value)
   {
     this.bodyParams.put(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.put(key, value);
+  }
+
   /**
    * Add body payload.
    * 
@@ -119,7 +133,7 @@ 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)
   {
@@ -145,8 +159,10 @@ class Request
           params.put(pair[0], pair[1]);
         }
       }
+      params.putAll(querystringParams);
       return params;
-    } catch (MalformedURLException mue)
+    }
+    catch (MalformedURLException mue)
     {
       throw new OAuthException("Malformed URL", mue);
     }
@@ -213,13 +229,27 @@ class Request
   }
 
   /**
-   * Sets the connection timeout in milliseconds for the underlying {@link HttpURLConnection}
+   * Sets the connect timeout for the underlying {@link HttpURLConnection}
    * 
-   * @param timeout in milliseconds
+   * @param duration duration of the timeout
+   * 
+   * @param unit unit of time (milliseconds, seconds, etc)
    */
-  public void setTimeout(int timeout)
+  public void setConnectTimeout(int duration, TimeUnit unit)
   {
-    this.timeout = timeout;
+    this.connection.setConnectTimeout((int) 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.connection.setReadTimeout((int) unit.toMillis(duration));
   }
   
   /*

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;
@@ -52,11 +51,6 @@ public class Response
     return headers;
   }
 
-  /**
-   * Checks if the code is in the successful or redirect range.
-   * 
-   * @return true if successful
-   */
   private boolean wasSuccessful()
   {
     return getCode() >= 200 && getCode() < 400;

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

@@ -1,11 +1,25 @@
 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;
 
+  /**
+   * Default constructor
+   * 
+   * @param token token value
+   * @param secret token secret
+   */
   public Token(String token, String secret)
   {
     this.token = token;

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

@@ -1,13 +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)
   {
-    this.value = value;
+    this.value = URLUtils.percentDecode(value);
   }
 
   public String getValue()

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

@@ -1,65 +1,76 @@
 package org.scribe.oauth;
 
-import org.scribe.extractors.*;
+import org.scribe.builder.api.*;
 import org.scribe.model.*;
-import org.scribe.services.*;
 
+/**
+ * OAuth 1.0a implementation of {@link OAuthService}
+ * 
+ * @author Pablo Fernandez
+ */
 public class OAuth10aServiceImpl implements OAuthService
 {
-
+  private static final String NO_SCOPE = null;
   private static final String VERSION = "1.0";
 
   private OAuthConfig config;
-  private SignatureService signatureService;
+  private DefaultApi10a api;
-  private TimestampService timestampService;
+  private String scope;
-  private BaseStringExtractor baseStringExtractor;
-  private HeaderExtractor headerExtractor;
-  private RequestTokenExtractor rtExtractor;
-  private AccessTokenExtractor atExtractor;
 
-  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.api = api;
-    this.timestampService = timestampService;
-    this.baseStringExtractor = baseStringExtractor;
-    this.headerExtractor = headerExtractor;
-    this.rtExtractor = rtExtractor;
-    this.atExtractor = atExtractor;
     this.config = config;
+    this.scope = NO_SCOPE;
   }
 
+  /**
+   * {@inheritDoc}
+   */
   public Token getRequestToken()
   {
-    OAuthRequest request = new OAuthRequest(config.getRequestTokenVerb(), config.getRequestTokenEndpoint());
+    OAuthRequest request = new OAuthRequest(api.getRequestTokenVerb(), api.getRequestTokenEndpoint());
     addOAuthParams(request, OAuthConstants.EMPTY_TOKEN);
     addOAuthHeader(request);
     Response response = request.send();
-    return rtExtractor.extract(response.getBody());
+    return api.getRequestTokenExtractor().extract(response.getBody());
   }
 
   private void addOAuthParams(OAuthRequest request, Token token)
   {
-    request.addOAuthParameter(OAuthConstants.TIMESTAMP, timestampService.getTimestampInSeconds());
+    request.addOAuthParameter(OAuthConstants.TIMESTAMP, api.getTimestampService().getTimestampInSeconds());
-    request.addOAuthParameter(OAuthConstants.NONCE, timestampService.getNonce());
+    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(scope != NO_SCOPE) request.addOAuthParameter(OAuthConstants.SCOPE, scope);
     request.addOAuthParameter(OAuthConstants.SIGNATURE, getSignature(request, token));
   }
 
+  /**
+   * {@inheritDoc}
+   */
   public Token getAccessToken(Token requestToken, Verifier verifier)
   {
-    OAuthRequest request = new OAuthRequest(config.getAccessTokenVerb(), config.getAccessTokenEndpoint());
+    OAuthRequest request = new OAuthRequest(api.getAccessTokenVerb(), api.getAccessTokenEndpoint());
     request.addOAuthParameter(OAuthConstants.TOKEN, requestToken.getToken());
     request.addOAuthParameter(OAuthConstants.VERIFIER, verifier.getValue());
     addOAuthParams(request, requestToken);
     addOAuthHeader(request);
     Response response = request.send();
-    return atExtractor.extract(response.getBody());
+    return api.getAccessTokenExtractor().extract(response.getBody());
   }
 
+  /**
+   * {@inheritDoc}
+   */
   public void signRequest(Token token, OAuthRequest request)
   {
     request.addOAuthParameter(OAuthConstants.TOKEN, token.getToken());
@@ -67,20 +78,39 @@ public class OAuth10aServiceImpl implements OAuthService
     addOAuthHeader(request);
   }
 
+  /**
+   * {@inheritDoc}
+   */
   public String getVersion()
   {
     return VERSION;
   }
 
+  /**
+   * {@inheritDoc}
+   */
+  public void addScope(String scope)
+  {
+    this.scope = scope;
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public String getAuthorizationUrl(Token requestToken)
+  {
+    return api.getAuthorizationUrl(requestToken);
+  }
+  
   private String getSignature(OAuthRequest request, Token token)
   {
-    String baseString = baseStringExtractor.extract(request);
+    String baseString = api.getBaseStringExtractor().extract(request);
-    return signatureService.getSignature(baseString, config.getApiSecret(), token.getSecret());
+    return api.getSignatureService().getSignature(baseString, config.getApiSecret(), token.getSecret());
   }
 
   private void addOAuthHeader(OAuthRequest request)
   {
-    String oauthHeader = headerExtractor.extract(request);
+    String oauthHeader = api.getHeaderExtractor().extract(request);
     request.addHeader(OAuthConstants.HEADER, oauthHeader);
   }
 }

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

@@ -0,0 +1,73 @@
+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 void addScope(String scope)
+  {
+    throw new UnsupportedOperationException("OAuth 2 does not use scopes");
+  }
+
+  /**
+   * {@inheritDoc}
+   */
+  public Token getAccessToken(Token requestToken, Verifier verifier)
+  {
+    throw new UnsupportedOperationException("Unsupported operation, please use 'getAuthorizationUrl' and redirect your users there");
+  }
+
+  /**
+   * {@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 +2,59 @@ 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();
+
+  /**
+   * Adds the 'scope' parameter. This is **not** a default OAuth parameter and the setting is optional.
+   * 
+   * @param scope OAuth Api scope (optional)
+   */
+  public void addScope(String scope);
+  
+  /**
+   * 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, URLUtils.percentEncode(apiSecret) + '&' + URLUtils.percentEncode(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/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

@@ -2,9 +2,19 @@ package org.scribe.utils;
 
 import java.util.*;
 
+/**
+ * Utils for {@link Map} manipulation
+ * 
+ * @author Pablo Fernandez
+ */
 public class MapUtils
 {
-
+  /**
+   * Sorts a Map
+   * 
+   * @param map unsorted map
+   * @return sorted map
+   */
   public static final Map<String, String> sort(Map<String, String> map)
   {
     Preconditions.checkNotNull(map, "Cannot sort a null object.");

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

@@ -4,27 +4,60 @@ 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);
@@ -34,7 +67,7 @@ public class Preconditions
     }
   }
   
-  static boolean isUrl(String url)
+  private static boolean isUrl(String url)
   {
     return URL_PATTERN.matcher(url).matches();
   }

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

@@ -4,18 +4,38 @@ import java.io.*;
 import java.net.*;
 import java.util.*;
 
-import org.scribe.exceptions.*;
+/**
-
+ * Utils to deal with URL and url-encodings
+ *
+ * @author Pablo Fernandez
+ */
 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 char QUERY_STRING_SEPARATOR = '?';
 
   private static final String ERROR_MSG = String.format("Cannot find specified encoding: %s", UTF_8);
 
+  private static final Set<EncodingRule> ENCODING_RULES;
+
+  static
+  {
+    Set<EncodingRule> rules = new HashSet<EncodingRule>();
+    rules.add(new EncodingRule("*","%2A"));
+    rules.add(new EncodingRule("+","%20"));
+    rules.add(new EncodingRule("%7E", "~"));
+    ENCODING_RULES = Collections.unmodifiableSet(rules);
+  }
+
+  /**
+   * Turns a map into a form-url-encoded string (key=value&key2=value2)
+   * 
+   * @param map any map
+   * @return form-url-encoded string
+   */
   public static String formURLEncodeMap(Map<String, String> map)
   {
     Preconditions.checkNotNull(map, "Cannot url-encode a null object");
@@ -36,28 +56,81 @@ public class URLUtils
     return encodedString.toString();
   }
 
+  /**
+   * Percent encodes a string
+   * 
+   * @param plain
+   * @return percent encoded string
+   */
   public static String percentEncode(String string)
   {
     Preconditions.checkNotNull(string, "Cannot encode null string");
     try
     {
-      return URLEncoder.encode(string, UTF_8).replaceAll("\\+", "%20");
+      String encoded = URLEncoder.encode(string, UTF_8);
+      for(EncodingRule rule : ENCODING_RULES)
+      {
+        encoded = rule.apply(encoded);
+      }
+      return encoded;
     } 
     catch (UnsupportedEncodingException uee)
     {
-      throw new OAuthException(ERROR_MSG, uee);
+      throw new IllegalStateException(ERROR_MSG, uee);
     }
   }
 
+  /**
+   * Percent decodes a string
+   * 
+   * @param string percent encoded string
+   * @return plain string
+   */
   public static String percentDecode(String string)
   {
     Preconditions.checkNotNull(string, "Cannot decode null string");
     try
     {
       return URLDecoder.decode(string, UTF_8);
-    } catch (UnsupportedEncodingException uee)
+    }
+    catch (UnsupportedEncodingException uee)
     {
-      throw new OAuthException(ERROR_MSG, uee);
+      throw new IllegalStateException(ERROR_MSG, uee);
+    }
+  }
+
+  /**
+   * Append given parameters to the query string of the url
+   *
+   * @param url the url to append parameters to
+   * @param params any map
+   * @return new url with parameters on query string
+   */
+  public static String appendParametersToQueryString(String url, Map<String, String> params)
+  {
+    Preconditions.checkNotNull(url, "Cannot append to null URL");
+    String queryString = URLUtils.formURLEncodeMap(params);
+    if (queryString.isEmpty()) return url;
+
+    // Check if there are parameters in the url already and use '&' instead of '?'
+    url += url.indexOf(QUERY_STRING_SEPARATOR) != -1 ? PARAM_SEPARATOR : QUERY_STRING_SEPARATOR;
+    url += queryString;
+    return url;
+  }
+
+  private static final class EncodingRule
+  {
+    private final String ch;
+    private final String toCh;
+
+    EncodingRule(String ch, String toCh)
+    {
+      this.ch = ch;
+      this.toCh = toCh;
+    }
+
+    String apply(String string) {
+      return string.replace(ch, toCh);
     }
   }
 }

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

@@ -0,0 +1,66 @@
+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 shouldReturnOOBasDefaultCallback()
+  {
+    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);
+  }
+
+  @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(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.scope, "rss-api");
+  }
+
+  public static class ApiMock implements Api
+  {
+    public static OAuthConfig config;
+    public static String scope;
+    
+    @Override
+    public OAuthService createService(OAuthConfig config, String scope)
+    {
+      ApiMock.config = config;
+      ApiMock.scope = scope;
+      return null;
+    }
+  }
+}

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

@@ -0,0 +1,58 @@
+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 String NO_SECRET_NEEDED = "";
+  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_api_key";
+    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 access token here");
+    System.out.print(">>");
+    Token accessToken = new Token(in.nextLine(), NO_SECRET_NEEDED);
+    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/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)
+                                .provider(LinkedInApi.class)
-                                  .apiKey("CiEgwWDkA5BFpNrc0RfGyVuSlOh4tig5kOTZ9q97qcXNrFl7zqk-Ts7DqRGaKDCV")
+                                .apiKey("CiEgwWDkA5BFpNrc0RfGyVuSlOh4tig5kOTZ9q97qcXNrFl7zqk-Ts7DqRGaKDCV")
-                                  .apiSecret("dhho4dfoCmiQXrkw4yslork5XWLFnPSuMR-8gscPVjY4jqFFHPYWJKgpFl4uLTM6")
+                                .apiSecret("dhho4dfoCmiQXrkw4yslork5XWLFnPSuMR-8gscPVjY4jqFFHPYWJKgpFl4uLTM6")
-                                  .build();
+                                .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/TwitterExample.java

@@ -9,7 +9,6 @@ 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";
   
   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());

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)
+                                .provider(YahooApi.class)
-                                  .apiKey("dj0yJmk9TXZDWVpNVVdGaVFmJmQ9WVdrOWMweHZXbkZLTkhVbWNHbzlNVEl5TWprd05qUTJNZy0tJnM9Y29uc3VtZXJzZWNyZXQmeD0wMw--")
+                                .apiKey("dj0yJmk9TXZDWVpNVVdGaVFmJmQ9WVdrOWMweHZXbkZLTkhVbWNHbzlNVEl5TWprd05qUTJNZy0tJnM9Y29uc3VtZXJzZWNyZXQmeD0wMw--")
-                                  .apiSecret("262be559f92a2be20c4c039419018f2b48cdfce9")
+                                .apiSecret("262be559f92a2be20c4c039419018f2b48cdfce9")
-                                  .build();
+                                .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);
   }
@@ -45,7 +45,7 @@ public class BaseStringExtractorTest
   @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*%2540%2526%26oauth_signature%3DOAuth-Signature%26oauth_timestamp%3D123456";
+    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/model/OAuthConfigTest.java

@@ -10,22 +10,17 @@ public class OAuthConfigTest
   @Test
   public void shouldReturnDefaultValuesIfNotSet()
   {
-    OAuthConfig config = new OAuthConfig();
+    OAuthConfig config = new OAuthConfig("key", "secret");
-    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();
+    OAuthConfig config = new OAuthConfig("key", "secret", "http://callback");
-    config.setCallback("http://callback");
-    config.setAccessTokenVerb(Verb.POST);
-    config.setRequestTokenVerb(Verb.POST);
     assertEquals("http://callback", config.getCallback());
-    assertEquals(Verb.POST, config.getAccessTokenVerb());
+    assertEquals("key", config.getApiKey());
-    assertEquals(Verb.POST, config.getRequestTokenVerb());
+    assertEquals("secret", config.getApiSecret());
   }
 
 }

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/RequestTest.java

@@ -65,4 +65,13 @@ 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());
+  }
+
 }

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

@@ -0,0 +1,21 @@
+package org.scribe.model;
+
+import static org.junit.Assert.*;
+
+import org.junit.*;
+
+public class VerifierTest
+{
+  @Test
+  public void shouldParse()
+  {
+    Verifier verifier = new Verifier("p8k%2BGIjIL9PblXq%2BpH6LmT9l");
+    assertEquals(verifier.getValue(), "p8k+GIjIL9PblXq+pH6LmT9l");
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldThrowErrorForNullString()
+  {
+    new Verifier(null);
+  }
+}

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/URLUtilsTest.java

@@ -8,13 +8,6 @@ import org.junit.*;
 
 public class URLUtilsTest
 {
-
-  @Before
-  public void setup()
-  {
-
-  }
-
   @Test
   public void shouldPercentEncodeMap()
   {
@@ -51,6 +44,23 @@ public class URLUtilsTest
     assertEquals(expected, URLUtils.percentDecode(toDecode));
   }
 
+  @Test
+  public void shouldEncodeAllSpecialCharacters()
+  {
+    String plain = "!*'();:@&=+$,/?#[]";
+    String encoded = "%21%2A%27%28%29%3B%3A%40%26%3D%2B%24%2C%2F%3F%23%5B%5D";
+    assertEquals(encoded, URLUtils.percentEncode(plain));
+    assertEquals(plain, URLUtils.percentDecode(encoded));
+  }
+
+  @Test
+  public void shouldNotEncodeReservedCharacters()
+  {
+    String plain = "abcde123456-._~";
+    String encoded = plain;
+    assertEquals(encoded, URLUtils.percentEncode(plain));
+  }
+
   @Test(expected = IllegalArgumentException.class)
   public void shouldThrowExceptionIfMapIsNull()
   {
@@ -72,4 +82,49 @@ public class URLUtilsTest
     URLUtils.percentDecode(toDecode);
   }
 
+  @Test(expected = IllegalArgumentException.class)
+  public void shouldThrowExceptionWhenAppendingNullMapToQuerystring()
+  {
+    String url = "http://www.example.com";
+    Map<String, String> nullMap = null;
+    URLUtils.appendParametersToQueryString(url, nullMap);
+  }
+
+  @Test
+  public void shouldAppendNothingToQuerystringIfGivenEmptyMap()
+  {
+    String url = "http://www.example.com";
+    Map<String, String> emptyMap = new HashMap<String, String>();
+    String newUrl = URLUtils.appendParametersToQueryString(url, emptyMap);
+    Assert.assertEquals(url, newUrl);
+  }
+
+  @Test
+  public void shouldAppendParametersToSimpleUrl()
+  {
+    String url = "http://www.example.com";
+    String expectedUrl = "http://www.example.com?param1=value1&param2=value%20with%20spaces";
+
+    Map<String, String> params = new HashMap<String, String>();
+    params.put("param1", "value1");
+    params.put("param2", "value with spaces");
+
+    url = URLUtils.appendParametersToQueryString(url, params);
+    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";
+
+    Map<String, String> params = new HashMap<String, String>();
+    params.put("param1", "value1");
+    params.put("param2", "value with spaces");
+
+    url = URLUtils.appendParametersToQueryString(url, params);
+    Assert.assertEquals(url, expectedUrl);
+  }
+
 }