/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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 com.xuxin.mychat.mina;

import org.apache.mina.core.service.IoHandler;
import org.apache.mina.core.service.IoHandlerAdapter;
import org.apache.mina.core.session.IoSession;

/**
 * {@link IoHandler} implementation of the client side of the simple chat
 * protocol.
 * 
 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
 */
public class ChatClientHandler extends IoHandlerAdapter {

	public interface Callback {

		void connected(boolean flag);

		void loggedIn();

		void loggedOut();

		void messageReceived(String message);

		void error(String message);
	}

	private final Callback callback;

	public ChatClientHandler(Callback callback) {
		this.callback = callback;
	}

	@Override
	public void sessionOpened(IoSession session) throws Exception {
		callback.connected(true);
	}

	@Override
	public void messageReceived(IoSession session, Object message)
			throws Exception {
		callback.messageReceived(message.toString());

	}

}
