se.aceone.housenews.UpdateStatus.java Source code

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Here is the source code for se.aceone.housenews.UpdateStatus.java

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/*
 * 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 se.aceone.housenews;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.URI;
import java.net.URISyntaxException;

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

/**
 * 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 {
    private static final String CONSUMER_KEY = "EKfZBbOwyqbDSKIeeDKVBA";
    private static final String CONSUMER_SECRET = "Mn1tTkXvZmSgQ5pPWx8OSHZJXSyuWnrdeaiqO2fqco";

    /**
     * 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();
            // get request token.
            // this will throw IllegalStateException if access token is already available
            twitter.setOAuthConsumer(CONSUMER_KEY, CONSUMER_SECRET);

            handleAccessToken(twitter);
            Status status = twitter.updateStatus(args[0] + " : " + System.currentTimeMillis());
            System.out.println("Successfully updated the status to [" + status.getText() + "].");
            System.exit(0);
        } catch (IllegalStateException ie) {
            ie.printStackTrace();
            // access token is already available, or consumer key/secret is not set.
        } 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);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (URISyntaxException e) {
            e.printStackTrace();
        }
    }

    private static void handleAccessToken(Twitter twitter) throws IOException, FileNotFoundException,
            ClassNotFoundException, TwitterException, URISyntaxException {
        AccessToken accessToken = null;
        File settingsDir = new File(System.getenv("HOMEPATH"), ".housenews");
        File accessTokenFile = new File(settingsDir, "accessToken");
        if (settingsDir.isDirectory() && accessTokenFile.isFile()) {
            ObjectInputStream ois = new ObjectInputStream(new FileInputStream(accessTokenFile));
            accessToken = (AccessToken) ois.readObject();
            ois.close();
        } else {
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            System.out.println("Open the following URL and grant access to your account:");

            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());

            String authorizationURL = requestToken.getAuthorizationURL();
            System.out.println(authorizationURL);

            java.awt.Desktop desktop = java.awt.Desktop.getDesktop();
            if (!desktop.isSupported(java.awt.Desktop.Action.BROWSE)) {
                System.err.println("Desktop doesn't support the browse action (fatal)");
                System.exit(1);
            }
            URI uri = new URI(authorizationURL);
            desktop.browse(uri);

            System.out.print("Enter the PIN(if available) and hit enter after you granted access.[PIN]:");
            String pin = br.readLine();
            if (pin.length() > 0) {
                accessToken = twitter.getOAuthAccessToken(requestToken, pin);
            } else {
                accessToken = twitter.getOAuthAccessToken(requestToken);
            }
            if (!settingsDir.isDirectory()) {
                settingsDir.mkdirs();
            }
            ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(accessTokenFile));
            oos.writeObject(accessToken);
            oos.close();
        }
        System.out.println("Got access token.");
        System.out.println("Access token: " + accessToken.getToken());
        System.out.println("Access token secret: " + accessToken.getTokenSecret());
        twitter.setOAuthAccessToken(accessToken);
    }
}