001/** 002 * 003 * Copyright 2014 Florian Schmaus 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.jivesoftware.smack; 018 019import java.util.Collection; 020import java.util.Collections; 021import java.util.Set; 022import java.util.concurrent.CopyOnWriteArraySet; 023 024public class XMPPConnectionRegistry { 025 026 /** 027 * A set of listeners which will be invoked if a new connection is created. 028 */ 029 private final static Set<ConnectionCreationListener> connectionEstablishedListeners = 030 new CopyOnWriteArraySet<ConnectionCreationListener>(); 031 032 /** 033 * Adds a new listener that will be notified when new Connections are created. Note 034 * that newly created connections will not be actually connected to the server. 035 * 036 * @param connectionCreationListener a listener interested on new connections. 037 */ 038 public static void addConnectionCreationListener( 039 ConnectionCreationListener connectionCreationListener) { 040 connectionEstablishedListeners.add(connectionCreationListener); 041 } 042 043 /** 044 * Removes a listener that was interested in connection creation events. 045 * 046 * @param connectionCreationListener a listener interested on new connections. 047 */ 048 public static void removeConnectionCreationListener( 049 ConnectionCreationListener connectionCreationListener) { 050 connectionEstablishedListeners.remove(connectionCreationListener); 051 } 052 053 054 055 /** 056 * Get the collection of listeners that are interested in connection creation events. 057 * 058 * @return a collection of listeners interested on new connections. 059 */ 060 protected static Collection<ConnectionCreationListener> getConnectionCreationListeners() { 061 return Collections.unmodifiableCollection(connectionEstablishedListeners); 062 } 063 064}