Java tutorial
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 */