102 lines
3.8 KiB
Java
102 lines
3.8 KiB
Java
/**
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*
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* Copyright 2014-2019 Florian Schmaus
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.xdata;
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import java.util.Map;
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import java.util.WeakHashMap;
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import org.jivesoftware.smack.ConnectionCreationListener;
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import org.jivesoftware.smack.Manager;
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import org.jivesoftware.smack.SmackException.NoResponseException;
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import org.jivesoftware.smack.SmackException.NotConnectedException;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.XMPPConnectionRegistry;
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import org.jivesoftware.smack.XMPPException.XMPPErrorException;
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import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
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import org.jivesoftware.smackx.xdata.packet.DataForm;
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import org.jivesoftware.smackx.xdata.provider.DescriptionProvider;
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import org.jivesoftware.smackx.xdata.provider.FormFieldChildElementProviderManager;
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import org.jivesoftware.smackx.xdata.provider.OptionProvider;
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import org.jivesoftware.smackx.xdata.provider.RequiredProvider;
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import org.jivesoftware.smackx.xdata.provider.ValueProvider;
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import org.jxmpp.jid.Jid;
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public final class XDataManager extends Manager {
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/**
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* The value of {@link DataForm#NAMESPACE}.
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*/
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public static final String NAMESPACE = DataForm.NAMESPACE;
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static {
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FormFieldChildElementProviderManager.addFormFieldChildElementProvider(
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new DescriptionProvider(),
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new OptionProvider(),
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new RequiredProvider(),
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new ValueProvider()
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);
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XMPPConnectionRegistry.addConnectionCreationListener(new ConnectionCreationListener() {
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@Override
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public void connectionCreated(XMPPConnection connection) {
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getInstanceFor(connection);
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}
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});
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}
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private static final Map<XMPPConnection, XDataManager> INSTANCES = new WeakHashMap<>();
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/**
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* Get the XDataManager for the given XMPP connection.
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*
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* @param connection the XMPPConnection.
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* @return the XDataManager
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*/
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public static synchronized XDataManager getInstanceFor(XMPPConnection connection) {
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XDataManager xDataManager = INSTANCES.get(connection);
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if (xDataManager == null) {
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xDataManager = new XDataManager(connection);
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INSTANCES.put(connection, xDataManager);
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}
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return xDataManager;
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}
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private XDataManager(XMPPConnection connection) {
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super(connection);
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ServiceDiscoveryManager serviceDiscoveryManager = ServiceDiscoveryManager.getInstanceFor(connection);
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serviceDiscoveryManager.addFeature(NAMESPACE);
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}
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/**
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* Check if the given entity supports data forms.
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*
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* @param jid the JID of the entity to check.
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* @return true if the entity supports data forms.
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* @throws NoResponseException
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* @throws XMPPErrorException
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* @throws NotConnectedException
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* @throws InterruptedException
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* @see <a href="http://xmpp.org/extensions/xep-0004.html#disco">XEP-0004: Data Forms § 6. Service Discovery</a>
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* @since 4.1
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*/
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public boolean isSupported(Jid jid) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
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return ServiceDiscoveryManager.getInstanceFor(connection()).supportsFeature(jid, NAMESPACE);
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}
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}
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