GetAccessToken.java Source code

Java tutorial

Introduction

Here is the source code for GetAccessToken.java

Source

/*
 * 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.
 */

//package twitter4j.examples.oauth;

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 void getToken() throws TwitterException, IOException {
        File file = new File("twitter4j.properties");
        Properties prop = new Properties();
        InputStream is = null;
        OutputStream os = null;
        MainActivity m = new MainActivity();
        Twitter twitter = new TwitterFactory().getInstance();
        try {

            try {
                if (file.exists()) {
                    is = new FileInputStream(file);
                    prop.load(is);
                }
                if (true) {
                    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);
                    }
                }
            } catch (IOException ioe) {
                ioe.printStackTrace();
                //System.exit(-1);
            } finally {
                if (is != null) {
                    try {
                        is.close();
                    } catch (IOException ignore) {
                    }
                }
                if (os != null) {
                    try {
                        os.close();
                    } catch (IOException ignore) {
                    }
                }
            }
            try {

                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) {
                    System.out.println("Open the following URL and grant access to your account:");
                    System.out.println(requestToken.getAuthorizationURL());
                    try {
                        Desktop.getDesktop().browse(new URI(requestToken.getAuthorizationURL()));
                    } catch (UnsupportedOperationException ignore) {
                    } catch (IOException ignore) {
                    } catch (URISyntaxException e) {
                        throw new AssertionError(e);
                    }
                    System.out.print("Enter the PIN(if available) and hit enter after you granted access.[PIN]:");
                    String pin = br.readLine();
                    try {
                        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 {
                            System.out.println("fdfgghd");
                            te.printStackTrace();
                        }
                    }
                }
                System.out.println("Got access token.");
                System.out.println("Access token: " + accessToken.getToken());
                System.out.println("Access token secret: " + accessToken.getTokenSecret());

                try {
                    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() + ".");
                m.setTwitter(twitter);
                m.setVisible(true);

                //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);
            }

        } catch (java.lang.IllegalStateException jli) {

            System.out.println("Already registered");
            m.setTwitter(twitter);
            m.setVisible(true);
        }
    }
}