A little tool to read a direct messages from twitter and switch off the computer

SwitchOffByTweet.java

import java.io.IOException;

import twitter4j.DirectMessage;
import twitter4j.TwitterException;
import twitter4j.TwitterStream;
import twitter4j.TwitterStreamFactory;
import twitter4j.UserStreamAdapter;
import twitter4j.conf.ConfigurationBuilder;


public class SwitchOffByTweet {
  static final String OAuthConsumerKey="Your Consumer key";
	static final String OAuthConsumerSecret="Your Consumer secret";
	static final String OAuthAccessToken="Your Access token";
	static final String OAuthAccessTokenSecret="Your Access token secret";
	static final String USERNAME="Respetando mayusculas y minusculas"; //Ej: Jesusnoseq 
	
	// https://github.com/yusuke/twitter4j/blob/master/twitter4j-examples/src/main/java/twitter4j/examples/stream/PrintUserStream.java
	static UserStreamAdapter listener = new UserStreamAdapter() {
		@Override
		public void onDirectMessage(DirectMessage directMessage) {
			String from=directMessage.getSender().getScreenName();
			String text=directMessage.getText();
			
			//System.out.println("onDirectMessage text:"+from+":"+text );
			
			if(from.equals(USERNAME) && text.toLowerCase().startsWith("apagar") ){
				System.out.println("Apagando...");
				apagar();
			}
		}
	};


	public static void main(String[] args) throws TwitterException {
		ConfigurationBuilder cb = new ConfigurationBuilder();
		cb.setDebugEnabled(true)
			.setOAuthConsumerKey(OAuthConsumerKey)
			.setOAuthConsumerSecret(OAuthConsumerSecret)
			.setOAuthAccessToken(OAuthAccessToken)
			.setOAuthAccessTokenSecret(OAuthAccessTokenSecret);

		TwitterStream twitterStream = new TwitterStreamFactory(cb.build()).getInstance();
		twitterStream.addListener(listener);
		// user() method internally creates a thread which manipulates TwitterStream and calls these adequate listener methods continuously.
		twitterStream.user();
	}


	public static void apagar() {
		// http://lineadecodigo.com/java/como-ejecutar-un-comando-del-sistema-desde-java/
		// Para saber en SO se ejecuta el programa
		//System.out.println(System.getProperty("os.name"));
		// Comando de apagado en linux
		//String cmd = "halt";
		// Comando de apagado en windows
		String[] cmd = { "shutdown", "-s", "-t", "10" }; 
		try {
			Runtime.getRuntime().exec(cmd);
		} catch (IOException ioe) {
			System.out.println(ioe);
		}
	}
}