InMemoryMucService.java

package com.kixeye.kixmpp.server.module.muc;

/*
 * #%L
 * KIXMPP
 * %%
 * Copyright (C) 2014 KIXEYE, Inc
 * %%
 * Licensed 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.
 * #L%
 */

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;

import org.fusesource.hawtdispatch.Task;

import com.kixeye.kixmpp.KixmppJid;
import com.kixeye.kixmpp.server.KixmppServer;

/**
 * A {@link MucService} that persists rooms in memory.
 * 
 * @author ebahtijaragic
 */
public class InMemoryMucService implements MucService {
	private ConcurrentHashMap<String, MucRoom> rooms = new ConcurrentHashMap<>();

	private final KixmppServer server;
	private final String subDomain;

	/**
	 * @param server
	 * @param subDomain
	 */
	public InMemoryMucService(KixmppServer server, String subDomain) {
		this.server = server;
		this.subDomain = subDomain.toLowerCase();
	}

	@Override
	public List<MucRoom> getRooms() {
		return new ArrayList<>(rooms.values());
	}

	@Override
	public void broadcast(final KixmppJid jid, final String... messages) {
		for(MucRoom room:rooms.values()){
			final MucRoom tmp = room;
			server.getEventEngine().publishTask( room.getRoomJid(), new Task() {
				@Override
				public void run() {
					tmp.receiveMessages(jid, false, messages);
				}
			});
		}
	}

	/**
	 * @see com.kixeye.kixmpp.server.module.muc.MucService#addRoom(java.lang.String)
	 */
	public MucRoom addRoom(String name) {
		return addRoom(name, new MucRoomSettings());
	}

	/**
	 * @see com.kixeye.kixmpp.server.module.muc.MucService#addRoom(java.lang.String, com.kixeye.kixmpp.server.module.muc.MucRoomSettings)
	 */
	public MucRoom addRoom(String name, MucRoomSettings options) {
		return addRoom(name, options, null, null);
	}

	/**
	 * @see com.kixeye.kixmpp.server.module.muc.MucService#addRoom(java.lang.String, com.kixeye.kixmpp.server.module.muc.MucRoomSettings, com.kixeye.kixmpp.KixmppJid, java.lang.String)
	 */
	public MucRoom addRoom(String name, MucRoomSettings options, KixmppJid owner, String ownerNickname) {
		name = name.toLowerCase();

		MucRoom mucRoom = rooms.get(name);

		if (mucRoom == null) {
			mucRoom = new MucRoom(this, new KixmppJid(name, subDomain + "." + server.getDomain()), options);

			if (owner != null) {
				mucRoom.addUser(owner, ownerNickname, MucRole.Moderator, MucAffiliation.Owner);
			}

			MucRoom prevRoom = rooms.putIfAbsent(name, mucRoom);

			if (prevRoom != null) {
				mucRoom = prevRoom;
			}
		}

		return mucRoom;
	}

	/**
	 * @see com.kixeye.kixmpp.server.module.muc.MucService#getRoom(java.lang.String)
	 */
	public MucRoom getRoom(String name) {
		name = name.toLowerCase();
		
		return rooms.get(name);
	}

	/**
	 * @see com.kixeye.kixmpp.server.module.muc.MucService#removeRoom(java.lang.String)
	 */
	public void removeRoom(String name) {
		rooms.remove(name);
	}

	/**
	 * @return the server
	 */
	public KixmppServer getServer() {
		return server;
	}

	/**
	 * @return the subDomain
	 */
	public String getSubDomain() {
		return subDomain;
	}
}