001/** 002 * 003 * Copyright 2015-2016 Ishan Khanna 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.smackx.geoloc; 018 019import java.util.Map; 020import java.util.WeakHashMap; 021 022import org.jivesoftware.smack.ConnectionCreationListener; 023import org.jivesoftware.smack.Manager; 024import org.jivesoftware.smack.SmackException.NotConnectedException; 025import org.jivesoftware.smack.XMPPConnection; 026import org.jivesoftware.smack.XMPPConnectionRegistry; 027import org.jivesoftware.smack.packet.Message; 028import org.jivesoftware.smackx.geoloc.packet.GeoLocation; 029import org.jxmpp.jid.Jid; 030 031public final class GeoLocationManager extends Manager { 032 033 private static final Map<XMPPConnection, GeoLocationManager> INSTANCES = new WeakHashMap<XMPPConnection, GeoLocationManager>(); 034 035 static { 036 XMPPConnectionRegistry.addConnectionCreationListener(new ConnectionCreationListener() { 037 @Override 038 public void connectionCreated(XMPPConnection connection) { 039 getInstanceFor(connection); 040 } 041 }); 042 } 043 044 public GeoLocationManager(XMPPConnection connection) { 045 super(connection); 046 047 } 048 049 /** 050 * Retrieves a {@link GeoLocationManager} for the specified {@link XMPPConnection}, creating one if it doesn't 051 * already exist. 052 * 053 * @param connection The connection the manager is attached to. 054 * @return The new or existing manager. 055 */ 056 public synchronized static GeoLocationManager getInstanceFor(XMPPConnection connection) { 057 GeoLocationManager geoLocationManager = INSTANCES.get(connection); 058 if (geoLocationManager == null) { 059 geoLocationManager = new GeoLocationManager(connection); 060 INSTANCES.put(connection, geoLocationManager); 061 } 062 return geoLocationManager; 063 } 064 065 public void sendGeoLocationToJid(GeoLocation geoLocation, Jid jid) throws InterruptedException, 066 NotConnectedException { 067 068 final XMPPConnection connection = connection(); 069 070 Message geoLocationMessage = new Message(jid); 071 geoLocationMessage.addExtension(geoLocation); 072 073 connection.sendStanza(geoLocationMessage); 074 075 } 076 077 /** 078 * Returns true if the message contains a GeoLocation extension. 079 * 080 * @param message the message to check if contains a GeoLocation extension or not 081 * @return a boolean indicating whether the message is a GeoLocation message 082 */ 083 public static boolean isGeoLocationMessage(Message message) { 084 return GeoLocation.from(message) != null; 085 } 086 087}