sketcher2/src/com/jotuntech/sketcher/client/command/SignOutCommand.java

package com.jotuntech.sketcher.client.command;

import java.nio.ByteBuffer;

import com.jotuntech.sketcher.client.Client;
import com.jotuntech.sketcher.client.Command;
import com.jotuntech.sketcher.client.Connection;
import com.jotuntech.sketcher.client.UserInterface;
import com.jotuntech.sketcher.common.User;

public class SignOutCommand implements Command {
	String message;

	public SignOutCommand() {
		message = new String();
	}

	public SignOutCommand(String message) {
		this.message = message;
	}

	public int perform(Client client, User user) {
		client.getUserMap().removeByValue(user);

		if(user != null) {
			client.getUserInterface().println(user.getName() + " has disconnected (" + message + ")");
		}

		if(client.isSoundEnabled()) {
			UserInterface.AUDIO_SIGN_OUT.play();
		}

		return Connection.SEND_NONE;
	}

	public void decode(ByteBuffer in) {
		StringBuffer messageBuffer = new StringBuffer();
		while(in.remaining() >= 2) {
			messageBuffer.append(in.getChar());
		}
		message = messageBuffer.toString();
	}

	public void encode(ByteBuffer out) {
		for(int i = 0; i < message.length(); i++) {
			out.putChar(message.charAt(i));
		}
	}
}