import java.net.InetSocketAddress;
import java.nio.ByteBuffer;

import org.java_websocket.WebSocket;
import org.java_websocket.handshake.ClientHandshake;
import org.java_websocket.server.WebSocketServer;

public class Server extends WebSocketServer
{
	public Server(InetSocketAddress address)
	{
		super(address);
	}
	public void onOpen(WebSocket conn, ClientHandshake handshake)
	{
		conn.send("Welcome to the server!"); //This method sends a message to the new client
		broadcast( "new connection: " + handshake.getResourceDescriptor() ); //This method sends a message to all clients connected
		System.out.println("new connection to " + conn.getRemoteSocketAddress());
	}

	public void onClose(WebSocket conn, int code, String reason, boolean remote)
	{
		System.out.println("closed " + conn.getRemoteSocketAddress() + " with exit code " + code + " additional info: " + reason);
	}

	public void onMessage(WebSocket conn, String message)
	{
		System.out.println("received message from "	+ conn.getRemoteSocketAddress() + ": " + message);
	}

	public void onMessage( WebSocket conn, ByteBuffer message )
	{
		System.out.println("received ByteBuffer from "	+ conn.getRemoteSocketAddress());
	}

	public void onError(WebSocket conn, Exception ex)
	{
		System.err.println("an error occurred on connection " + conn.getRemoteSocketAddress()  + ":" + ex);
	}
	
	public void onStart()
	{
		System.out.println("server started successfully");
	}


	public static void main(String[] args)
	{
		String host = "localhost";
		int port = 9997;

		WebSocketServer server = new Server(new InetSocketAddress(host, port));
		server.run();
	}
}