TwitterCom4j.java :  » Client » com-android-moms-client » com » moms » test » twitter » library » Android Open Source

package com.moms.test.twitter.library;

import java.io.IOException;
import java.io.InputStream;
import java.util.List;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;

import twitter4j.Status;
import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.TwitterFactory;
import twitter4j.http.AccessToken;
import twitter4j.http.RequestToken;
import twitter4j.internal.logging.Logger;

import net.htmlparser.jericho.*;

public class TwitterCom4j {
  final String CONSUMER_KEY = "ZSPxNj5A5ZLkXpZtMUkZ7A";  
  final String CONSUMER_SECRET = "lITIhyMSZkcUsVoXt9l0kNbKLda3xURUlae1DgA1k";
  public final static int NOT_USED = 0;
  public final static int LOGGED_IN = -1;
  public final static int TIME_OUT = -2;
  public String username;
  public String password;
  public String accessToken;
  public String accessTokenSecret;
  public int currentState=0;
  Twitter twitter = new TwitterFactory().getInstance();

  public int Login(AuthToken authToken){
      AccessToken token = new AccessToken(authToken.accessToken, authToken.accessTokenSecret);
      this.twitter = new TwitterFactory().getOAuthAuthorizedInstance(CONSUMER_KEY, CONSUMER_SECRET, token);
      currentState=LOGGED_IN;
      return 1;
  }
  
  public AuthToken firstLogin(String userid, String password) {
    AuthToken token = new AuthToken(); 
    this.twitter = new TwitterFactory().getInstance();
    this.username = userid;
    this.password = password;
  
    this.twitter.setOAuthConsumer(CONSUMER_KEY, CONSUMER_SECRET);
    RequestToken requestToken = null;
    try {
      requestToken = this.twitter.getOAuthRequestToken();
    } catch (TwitterException e1) {
      e1.printStackTrace();
    }
      String requestTokenUrl = requestToken.getAuthorizationURL();

/*      String requestTokenString = requestToken.getToken();
      String requestTokenSecretString = requestToken.getTokenSecret();
      p("request token: "+ requestTokenString+"\n");
      p("request token secret: "+ requestTokenSecretString+"\n");
      p(requestTokenUrl);
 */   
      //   PIN    
      String pin = getAccessPin(requestTokenUrl); 
      AccessToken accessToken = null;
      try{
          accessToken = twitter.getOAuthAccessToken(requestToken, pin);
      } catch (TwitterException te) {
          if(401 == te.getStatusCode()){
            System.out.println("Unable to get the access token.");
            token.status = -1;
            return token;
          }
          else{
            te.printStackTrace();
          }
      }
     
      token.status = 1;
    token.accessToken = accessToken.getToken();
    token.accessTokenSecret = accessToken.getTokenSecret();
    p(token.accessToken);
    p(token.accessTokenSecret);
    this.currentState = LOGGED_IN;
    return token;

    
  }

  public int writeTweet(String content){ 
    
    if(this.currentState != LOGGED_IN)
    {
      // token load 
      return -1;
    }
    if(content.length()> 140)
    {
      return -100;
    }

//      AccessToken token = new AccessToken(accessToken.getToken(), accessToken.getTokenSecret());
      Status status = null;
    try {
      status = twitter.updateStatus(content);
    } catch (TwitterException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
//      p("updated the status to : " + status.getText());
    return 0;
  }
    

  public String getAccessPin(String url){ 

    String pin="";
    HttpClient client = new HttpClient(); 
    GetMethod getMethod = new GetMethod(url);
    int statusCode = 0;
    try {
      statusCode = client.executeMethod(getMethod);
    } catch (HttpException e1) {
      e1.printStackTrace();
    } catch (IOException e1) {
      e1.printStackTrace();
    }
    if (statusCode != HttpStatus.SC_OK) {
      System.err.println("Method failed: " + getMethod.getStatusLine());
      }

      // Read the response body.
      InputStream responseBody = null;

      try {
        responseBody = getMethod.getResponseBodyAsStream();
      } catch (IOException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

//      p(responseBody);

  Source source = null;
  try {
    source = new Source(responseBody);
  } catch (IOException e2) {
    // TODO Auto-generated catch block
    e2.printStackTrace();
  }
  FormFields formFields=source.getFormFields();
//  System.out.println("The document "+responseBody+" contains "+formFields.size()+" form fields:\n");
  String authenticity_token = formFields.getValues("authenticity_token").get(0);
  String oauth_token = formFields.getValues("oauth_token").get(0);
  /*
  p(authenticity_token);
  p(oauth_token);
  for (FormField formField : formFields) {
    System.out.println(formField.getDebugInfo());
  }
  */
  
  //post id password
    PostMethod postMethod = new PostMethod("http://twitter.com/oauth/authorize"); 
    //postMethod.getParams().setCookiePolicy(CookiePolicy.RFC_2109);
    NameValuePair[] data = {
             new NameValuePair("authenticity_token", authenticity_token),
             new NameValuePair("oauth_token", oauth_token),
             new NameValuePair("session[username_or_email]", this.username),
             new NameValuePair("session[password]", this.password)
           };
    postMethod.setRequestBody(data);
    //postMethod.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
   // execute method and handle any error responses.
 
        try {
      statusCode = client.executeMethod(postMethod);
    } catch (HttpException e1) {
      // TODO Auto-generated catch block
      e1.printStackTrace();
    } catch (IOException e1) {
      // TODO Auto-generated catch block
      e1.printStackTrace();
    }

        // Read the response body.
        InputStream responseBodyForPin = null; 
        try {
      responseBodyForPin = postMethod.getResponseBodyAsStream();
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
      Source sourcePin = null;
      try {
        sourcePin = new Source(responseBodyForPin);
      } catch (IOException e2) {
        // TODO Auto-generated catch block
        e2.printStackTrace();
      }
      Element s = sourcePin.getAllElements("div id=\"oauth_pin\"").get(0);
      if(s==null)
        p("error!!");
        
    
      //remove white space & CR
      pin = s.getContent().toString().trim();
//      p("pin:"+pin); 
      return pin;
    
  }
  public int getTimeline()
  {
    List<Status> statuses = null;
  try {
    statuses = twitter.getFriendsTimeline();
  } catch (TwitterException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
  }
    System.out.println("Showing friends timeline.");
    for (Status status : statuses) {
      System.out.println(status.getUser().getName() + ":" +
          status.getText());
    }
  return 1;
  }
  private void storeAccessToken(int useId, AccessToken accessToken){

    this.accessToken = accessToken.getToken();
    this.accessTokenSecret = accessToken.getTokenSecret();
    /*
    p("id = " + useId);
    p("access token = " + accessToken);
    p("token = " + accessToken.getToken());
    p("secret = " + accessToken.getTokenSecret());
    */
    }
  private static void p(String s) {
        System.out.println(s);
    }
}