uses OAuth method to acquire access to your twitter account - Java Social Media

Java examples for Social Media:Twitter

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Description

uses OAuth method to acquire access to your twitter account

Demo Code

/*//from  w  ww .  j  a va2 s. c  o  m
 * 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.tweets;

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

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/**
 * Example application that uses OAuth method to acquire access to your account.<br>
 * This application illustrates how to use OAuth method with Twitter4J.<br>
 *
 * @author Yusuke Yamamoto - yusuke at mac.com
 */
public final class UpdateStatus {
    /**
     * Usage: java twitter4j.examples.tweets.UpdateStatus [text]
     *
     * @param args message
     */
    public static void main(String[] args) {
        if (args.length < 1) {
            System.out
                    .println("Usage: java twitter4j.examples.tweets.UpdateStatus [text]");
            System.exit(-1);
        }
        try {
            Twitter twitter = new TwitterFactory().getInstance();
            try {
                // get request token.
                // this will throw IllegalStateException if access token is already available
                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());
                    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 {
                            te.printStackTrace();
                        }
                    }
                }
                System.out.println("Got access token.");
                System.out.println("Access token: "
                        + accessToken.getToken());
                System.out.println("Access token secret: "
                        + accessToken.getTokenSecret());
            } catch (IllegalStateException ie) {
                // access token is already available, or consumer key/secret is not set.
                if (!twitter.getAuthorization().isEnabled()) {
                    System.out
                            .println("OAuth consumer key/secret is not set.");
                    System.exit(-1);
                }
            }
            Status status = twitter.updateStatus(args[0]);
            System.out.println("Successfully updated the status to ["
                    + status.getText() + "].");
            System.exit(0);
        } catch (TwitterException te) {
            te.printStackTrace();
            System.out
                    .println("Failed to get timeline: " + te.getMessage());
            System.exit(-1);
        } catch (IOException ioe) {
            ioe.printStackTrace();
            System.out.println("Failed to read the system input.");
            System.exit(-1);
        }
    }
}

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