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; 028 029import org.jivesoftware.smackx.geoloc.packet.GeoLocation; 030 031import org.jxmpp.jid.Jid; 032 033public final class GeoLocationManager extends Manager { 034 035 private static final Map<XMPPConnection, GeoLocationManager> INSTANCES = new WeakHashMap<>(); 036 037 static { 038 XMPPConnectionRegistry.addConnectionCreationListener(new ConnectionCreationListener() { 039 @Override 040 public void connectionCreated(XMPPConnection connection) { 041 getInstanceFor(connection); 042 } 043 }); 044 } 045 046 public GeoLocationManager(XMPPConnection connection) { 047 super(connection); 048 049 } 050 051 /** 052 * Retrieves a {@link GeoLocationManager} for the specified {@link XMPPConnection}, creating one if it doesn't 053 * already exist. 054 * 055 * @param connection The connection the manager is attached to. 056 * @return The new or existing manager. 057 */ 058 public synchronized static GeoLocationManager getInstanceFor(XMPPConnection connection) { 059 GeoLocationManager geoLocationManager = INSTANCES.get(connection); 060 if (geoLocationManager == null) { 061 geoLocationManager = new GeoLocationManager(connection); 062 INSTANCES.put(connection, geoLocationManager); 063 } 064 return geoLocationManager; 065 } 066 067 public void sendGeoLocationToJid(GeoLocation geoLocation, Jid jid) throws InterruptedException, 068 NotConnectedException { 069 070 final XMPPConnection connection = connection(); 071 072 Message geoLocationMessage = new Message(jid); 073 geoLocationMessage.addExtension(geoLocation); 074 075 connection.sendStanza(geoLocationMessage); 076 077 } 078 079 /** 080 * Returns true if the message contains a GeoLocation extension. 081 * 082 * @param message the message to check if contains a GeoLocation extension or not 083 * @return a boolean indicating whether the message is a GeoLocation message 084 */ 085 public static boolean isGeoLocationMessage(Message message) { 086 return GeoLocation.from(message) != null; 087 } 088 089}