/*
* 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 org.apache.mina.example.chat.client;
import org.apache.mina.core.service.IoHandler;
import org.apache.mina.core.service.IoHandlerAdapter;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.example.chat.ChatCommand;
/**
* {@link IoHandler} implementation of the client side of the simple chat protocol.
*
* @author The Apache MINA Project (dev@mina.apache.org)
* @version $Rev$, $Date$
*/
public class SwingChatClientHandler extends IoHandlerAdapter {
public interface Callback {
void connected();
void loggedIn();
void loggedOut();
void disconnected();
void messageReceived(String message);
void error(String message);
}
private final Callback callback;
public SwingChatClientHandler(Callback callback) {
this.callback = callback;
}
@Override
public void sessionOpened(IoSession session) throws Exception {
callback.connected();
}
@Override
public void messageReceived(IoSession session, Object message)
throws Exception {
String theMessage = (String) message;
String[] result = theMessage.split(" ", 3);
String status = result[1];
String theCommand = result[0];
ChatCommand command = ChatCommand.valueOf(theCommand);
if ("OK".equals(status)) {
switch (command.toInt()) {
case ChatCommand.BROADCAST:
if (result.length == 3) {
callback.messageReceived(result[2]);
}
break;
case ChatCommand.LOGIN:
callback.loggedIn();
break;
case ChatCommand.QUIT:
callback.loggedOut();
break;
}
} else {
if (result.length == 3) {
callback.error(result[2]);
}
}
}
@Override
public void sessionClosed(IoSession session) throws Exception {
callback.disconnected();
}
}