org.yamaLab.TwitterConnector.GetAccessToken.java Source code

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Here is the source code for org.yamaLab.TwitterConnector.GetAccessToken.java

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package org.yamaLab.TwitterConnector;

/*                                                                              
 * Copyright 2007 Yusuke Yamamoto                                               
 *                                                                              
 * Licensed under the Apache License, Version 2.0 (the "License");              
 * you may not use this file except in compliance with the License.             
 * You may obtain a copy of the License at                                      
 *                                                                              
 *      http://www.apache.org/licenses/LICENSE-2.0                              
 *                                                                              
 * Unless required by applicable law or agreed to in writing, software          
 * distributed under the License is distributed on an "AS IS" BASIS,            
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.     
 * See the License for the specific language governing permissions and          
 * limitations under the License.                                               
 */

/*                                                                              
 * Copyright 2007 Yusuke Yamamoto                                               
 *                                                                              
 * Licensed under the Apache License, Version 2.0 (the "License");              
 * you may not use this file except in compliance with the License.             
 * You may obtain a copy of the License at                                      
 *                                                                              
 *      http://www.apache.org/licenses/LICENSE-2.0                              
 *                                                                              
 * Unless required by applicable law or agreed to in writing, software          
 * distributed under the License is distributed on an "AS IS" BASIS,            
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.     
 * See the License for the specific language governing permissions and          
 * limitations under the License.                                               
 */

import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.TwitterFactory;
import twitter4j.auth.AccessToken;
import twitter4j.auth.RequestToken;

import java.awt.*;
import java.io.*;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Properties;

/**                                                                             
 * @author Yusuke Yamamoto - yusuke at mac.com                                  
 * @since Twitter4J 2.1.7                                                       
 */
public class GetAccessToken {
    /**                                                                         
     * Usage: java  twitter4j.examples.oauth.GetAccessToken [consumer key] [consumer secret]   
     *                                                                          
     * @param args message                                                      
     */
    public static void main(String[] args) {
        File file = new File("TweetByWikiEx2.properties");
        Properties prop = new Properties();
        InputStream is = null;
        OutputStream os = null;
        try { /* try-0 */
            if (file.exists()) {
                is = new FileInputStream(file);
                prop.load(is);
            }
            if (args.length < 2) {
                if (null == prop.getProperty("oauth.consumerKey")
                        && null == prop.getProperty("oauth.consumerSecret")) {
                    // consumer key/secret are not set in twitter4j.properties  
                    System.out.println(
                            "Usage: java twitter4j.examples.oauth.GetAccessToken [consumer key] [consumer secret]");
                    System.exit(-1);
                }
            } else {
                prop.setProperty("oauth.consumerKey", args[0]);
                prop.setProperty("oauth.consumerSecret", args[1]);
                os = new FileOutputStream("twitter4j.properties");
                prop.store(os, "twitter4j.properties");
            }
        } catch (IOException ioe) { /* try-0 */
            ioe.printStackTrace();
            System.exit(-1);
        } finally { /* try-0 */
            if (is != null) {
                try {
                    is.close();
                } catch (IOException ignore) {
                }
            }
            if (os != null) {
                try {
                    os.close();
                } catch (IOException ignore) {
                }
            }
            try { /* try-1 in try-0 */
                Twitter twitter = new TwitterFactory().getInstance();
                RequestToken requestToken = twitter.getOAuthRequestToken();
                System.out.println("Got request token.");
                System.out.println("Request token: " + requestToken.getToken());
                System.out.println("Request token secret: " + requestToken.getTokenSecret());
                AccessToken accessToken = null;

                BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
                while (null == accessToken) { /* while */
                    System.out.println("Open the following URL and grant access to your account:");
                    System.out.println(requestToken.getAuthorizationURL());
                    try { /* try-1 */
                        Desktop.getDesktop().browse(new URI(requestToken.getAuthorizationURL()));
                    } catch (UnsupportedOperationException ignore) {
                    } catch (IOException ignore) {
                    } catch (URISyntaxException e) {
                        throw new AssertionError(e);
                    } /* try-1 */
                    System.out.print("Enter the PIN(if available) and hit enter after you granted access.[PIN]:");
                    String pin = br.readLine();
                    try { /* try-3  in try-0 */
                        if (pin.length() > 0) {
                            accessToken = twitter.getOAuthAccessToken(requestToken, pin);
                        } else {
                            accessToken = twitter.getOAuthAccessToken(requestToken);
                        }
                    } catch (TwitterException te) {
                        if (401 == te.getStatusCode()) {
                            System.out.println("Unable to get the access token.");
                        } else {
                            te.printStackTrace();
                        }
                    } /* try-3  in try-0 */
                } /* while */
                System.out.println("Got access token.");
                System.out.println("Access token: " + accessToken.getToken());
                System.out.println("Access token secret: " + accessToken.getTokenSecret());
                try { /* try-2  in try 0 */
                    prop.setProperty("oauth.accessToken", accessToken.getToken());
                    prop.setProperty("oauth.accessTokenSecret", accessToken.getTokenSecret());
                    os = new FileOutputStream(file);
                    prop.store(os, "twitter4j.properties");
                    os.close();
                } catch (IOException ioe) {
                    ioe.printStackTrace();
                    System.exit(-1);
                } finally {
                    if (os != null) {
                        try {
                            os.close();
                        } catch (IOException ignore) {
                        }
                    }
                }
                System.out.println("Successfully stored access token to " + file.getAbsolutePath() + ".");
                System.exit(0);
            } catch (TwitterException te) {
                te.printStackTrace();
                System.out.println("Failed to get accessToken: " + te.getMessage());
                System.exit(-1);
            } catch (IOException ioe) {
                ioe.printStackTrace();
                System.out.println("Failed to read the system input.");
                System.exit(-1);
            } /* try-1 in try-0 */
        } /* try-0 */
    } /* main */
} /* class */