/**
 * Copyright (C) 2004-2008 Jive Software. All rights reserved.
 *
 * 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.
 */

package org.jivesoftware.xmpp.workgroup.interceptor;

import java.util.Arrays;
import java.util.Collection;

/**
 * Manages the packet interceptors that will be invoked every time a user tries to join a queue.
 * If the user is using a chatbot for joining the queue then the intercepted packets will be of
 * type Message. However, when users are using the webclient (i.e. a Workgroup compliant client)
 * the intercepted packets will be of type IQ.
 *
 * @author Gaston Dombiak
 */
public class QueueInterceptorManager extends InterceptorManager {

    private static InterceptorManager instance = new QueueInterceptorManager();

    /**
     * Returns a singleton instance of QueueInterceptorManager.
     *
     * @return an instance of QueueInterceptorManager.
     */
    public static InterceptorManager getInstance() {
        return instance;
    }

    @Override
	protected String getPropertySuffix() {
        return "queue";
    }

    @Override
	protected Collection<Class> getBuiltInInterceptorClasses() {
        return Arrays.asList((Class)TrafficMonitor.class, (Class)UserInterceptor.class);
    }
}
