/*
* 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;
/**
* Encapsulates a chat command. Use {@link #valueOf(String)} to create an
* instance given a command string.
*
* @author <a href="http://mina.apache.org">Apache MINA Project</a>
*/
public class ChatCommand {
public static final int LOGIN = 0;
public static final int QUIT = 1;
public static final int BROADCAST = 2;
private final int num;
private ChatCommand(int num) {
this.num = num;
}
public int toInt() {
return num;
}
public static ChatCommand valueOf(String s) {
s = s.toUpperCase();
if ("LOGIN".equals(s)) {
return new ChatCommand(LOGIN);
}
if ("QUIT".equals(s)) {
return new ChatCommand(QUIT);
}
if ("BROADCAST".equals(s)) {
return new ChatCommand(BROADCAST);
}
throw new IllegalArgumentException("Unrecognized command: " + s);
}
}
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