Quicklaunch/QuickLaunch/src/update/UpdateChecker.java

package update;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.UnknownHostException;

public class UpdateChecker {
	Socket socket;
	DataInputStream in;
	DataOutputStream out;
	String ip;
	int port;
	float feedback = -1;
	String linkToFile = "";
	public UpdateChecker(String ip, int port){
		this.ip = ip;
		this.port = port;
		try {
			socket = new Socket();
			socket.connect(new InetSocketAddress(InetAddress.getByName("cookiestudios.org"), port), 700);
			in = new DataInputStream(socket.getInputStream());
			out = new DataOutputStream(socket.getOutputStream());
		} catch (UnknownHostException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		
	}
	
	
	public float getCurrentVersion(){
		try {
			
			feedback = in.readFloat();
			out.writeUTF(System.getProperty("os.name"));
			out.writeUTF(System.getProperty("os.version"));
			out.writeUTF(System.getProperty("os.arch"));
			out.writeUTF(System.getProperty("java.version"));
			
			return feedback;
		} catch (IOException e) {
			e.printStackTrace();
			return feedback;
			
		}
	}
	
	public String getDownloadLink(){
		try {
			out.writeBoolean(true);
			linkToFile = in.readUTF();
		} catch (IOException e) {
		
			e.printStackTrace();
		}
		
		return linkToFile;
		
	}
	
	public void upToDate() {
		try {
			out.writeBoolean(false);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public void close(){
		try {
			out.writeBoolean(false);
			in.close();
			out.close();
			socket.close();
		} catch (IOException e) {
			
			e.printStackTrace();
		}
	}
}