XDataManager.java
- /**
- *
- * Copyright 2014-2015 Florian Schmaus
- *
- * 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.smackx.xdata;
- import java.util.Map;
- import java.util.WeakHashMap;
- import org.jivesoftware.smack.ConnectionCreationListener;
- import org.jivesoftware.smack.Manager;
- import org.jivesoftware.smack.SmackException.NoResponseException;
- import org.jivesoftware.smack.SmackException.NotConnectedException;
- import org.jivesoftware.smack.XMPPConnection;
- import org.jivesoftware.smack.XMPPConnectionRegistry;
- import org.jivesoftware.smack.XMPPException.XMPPErrorException;
- import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
- import org.jivesoftware.smackx.xdata.packet.DataForm;
- import org.jxmpp.jid.Jid;
- public final class XDataManager extends Manager {
- /**
- * The value of {@link DataForm#NAMESPACE}.
- */
- public static final String NAMESPACE = DataForm.NAMESPACE;
- static {
- XMPPConnectionRegistry.addConnectionCreationListener(new ConnectionCreationListener() {
- @Override
- public void connectionCreated(XMPPConnection connection) {
- getInstanceFor(connection);
- }
- });
- }
- private static final Map<XMPPConnection, XDataManager> INSTANCES = new WeakHashMap<>();
- /**
- * Get the XDataManager for the given XMPP connection.
- *
- * @param connection the XMPPConnection.
- * @return the XDataManager
- */
- public static synchronized XDataManager getInstanceFor(XMPPConnection connection) {
- XDataManager xDataManager = INSTANCES.get(connection);
- if (xDataManager == null) {
- xDataManager = new XDataManager(connection);
- INSTANCES.put(connection, xDataManager);
- }
- return xDataManager;
- }
- private XDataManager(XMPPConnection connection) {
- super(connection);
- ServiceDiscoveryManager serviceDiscoveryManager = ServiceDiscoveryManager.getInstanceFor(connection);
- serviceDiscoveryManager.addFeature(NAMESPACE);
- }
- /**
- * Check if the given entity supports data forms.
- *
- * @param jid the JID of the entity to check.
- * @return true if the entity supports data forms.
- * @throws NoResponseException
- * @throws XMPPErrorException
- * @throws NotConnectedException
- * @throws InterruptedException
- * @see <a href="http://xmpp.org/extensions/xep-0004.html#disco">XEP-0004: Data Forms ยง 6. Service Discovery</a>
- * @since 4.1
- */
- public boolean isSupported(Jid jid) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
- return ServiceDiscoveryManager.getInstanceFor(connection()).supportsFeature(jid, NAMESPACE);
- }
- }