Added Digg Support

Refactoring

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

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

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

@@ -2,15 +2,14 @@ package org.scribe.extractors;
 
 import java.util.regex.*;
 
-import org.scribe.exceptions.*;
-import org.scribe.model.*;
-import org.scribe.utils.*;
+import org.scribe.exceptions.OAuthException;
+import org.scribe.model.Token;
+import org.scribe.utils.Preconditions;
 
 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");

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

@@ -0,0 +1,63 @@
+package org.scribe.examples;
+
+import java.util.Scanner;
+
+import org.scribe.builder.ServiceBuilder;
+import org.scribe.builder.api.DiggApi;
+import org.scribe.model.*;
+import org.scribe.oauth.OAuthService;
+
+public class DiggExample {
+  private static final String NETWORK_NAME = "Digg";
+  private static final String PROTECTED_RESOURCE_URL = "http://services.digg.com/2.0/comment.digg";
+
+  public static void main(String[] args) {
+    // Replace these with your own api key and secret
+    String apiKey = "myKey";
+    String apiSecret = "mySecret";
+    OAuthService service = new ServiceBuilder().provider(DiggApi.class).apiKey(apiKey).apiSecret(apiSecret).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();
+
+    // 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.POST, PROTECTED_RESOURCE_URL);
+    request.addBodyParameter("comment_id", "20100729223726:4fef610331ee46a3b5cbd740bf71313e");
+    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! :)");
+
+  }
+}