channelcontext.java

来自「WebChatSample」· Java 代码 · 共 38 行

package com.signorinolong.test.chat;

import java.util.HashMap;
import java.util.Map;

import com.signorinolong.test.chat.model.Channel;
import com.signorinolong.test.chat.model.PublicChannel;

public class ChannelContext {
	
	Map<String,Channel> channels;
	
	public ChannelContext() {
		channels = new HashMap<String,Channel>();
	}
	
	public void addChannel(String channel) {
		if (!channels.containsKey(channel)) {
			channels.put(channel, new PublicChannel());
		}
	}
	
	public void deleteChannel(String channel) {
		if (channels.containsKey(channel)) {
			channels.remove(channel);
		}
	}
	
	public Channel getChannel(String channel) {
		return channels.get(channel);
	}
	
	public boolean hasChannel(String channel) {
		return channels.containsKey(channel);
	}

}