001/** 002 * 003 * Copyright 2014 Andriy Tsykholyas 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.hoxt; 018 019import org.jivesoftware.smack.ConnectionCreationListener; 020import org.jivesoftware.smack.SmackException.NoResponseException; 021import org.jivesoftware.smack.XMPPConnection; 022import org.jivesoftware.smack.XMPPConnectionRegistry; 023import org.jivesoftware.smack.XMPPException.XMPPErrorException; 024import org.jivesoftware.smack.SmackException.NotConnectedException; 025import org.jivesoftware.smackx.disco.ServiceDiscoveryManager; 026import org.jivesoftware.smackx.hoxt.packet.AbstractHttpOverXmpp; 027import org.jxmpp.jid.Jid; 028 029/** 030 * Manager for HTTP ove XMPP transport (XEP-0332) extension. 031 * 032 * @author Andriy Tsykholyas 033 * @see <a href="http://xmpp.org/extensions/xep-0332.html">XEP-0332: HTTP over XMPP transport</a> 034 */ 035public class HOXTManager { 036 037 /** 038 * Namespace for this extension. 039 */ 040 public static final String NAMESPACE = AbstractHttpOverXmpp.NAMESPACE; 041 042 static { 043 XMPPConnectionRegistry.addConnectionCreationListener(new ConnectionCreationListener() { 044 @Override 045 public void connectionCreated(XMPPConnection connection) { 046 ServiceDiscoveryManager.getInstanceFor(connection).addFeature(NAMESPACE); 047 } 048 }); 049 } 050 051 /** 052 * Returns true if the given entity understands the HTTP ove XMPP transport format and allows the exchange of such. 053 * 054 * @param jid jid 055 * @param connection connection 056 * @return true if the given entity understands the HTTP ove XMPP transport format and exchange. 057 * @throws XMPPErrorException 058 * @throws NoResponseException 059 * @throws NotConnectedException 060 * @throws InterruptedException 061 */ 062 public static boolean isSupported(Jid jid, XMPPConnection connection) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException { 063 return ServiceDiscoveryManager.getInstanceFor(connection).supportsFeature(jid, NAMESPACE); 064 } 065}