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91 lines
3.6 KiB
Java
91 lines
3.6 KiB
Java
/**
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*
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* Copyright 2020 Aditya Borikar
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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.softwareinfo;
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import java.util.Map;
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import java.util.WeakHashMap;
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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.XMPPException.XMPPErrorException;
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import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
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import org.jivesoftware.smackx.disco.packet.DiscoverInfo;
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import org.jivesoftware.smackx.softwareinfo.form.SoftwareInfoForm;
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import org.jivesoftware.smackx.xdata.packet.DataForm;
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import org.jxmpp.jid.Jid;
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/**
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* Entry point for Smack's API for XEP-0232: Software Information.
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* <br>
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* @see <a href="https://xmpp.org/extensions/xep-0232.html">
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* XEP-0232 : Software Information.
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* </a>
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*/
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public final class SoftwareInfoManager extends Manager {
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private static final Map<XMPPConnection, SoftwareInfoManager> INSTANCES = new WeakHashMap<>();
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private final ServiceDiscoveryManager serviceDiscoveryManager;
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public static synchronized SoftwareInfoManager getInstanceFor (XMPPConnection connection) {
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SoftwareInfoManager manager = INSTANCES.get(connection);
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if (manager == null) {
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manager = new SoftwareInfoManager(connection);
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INSTANCES.put(connection, manager);
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}
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return manager;
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}
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private SoftwareInfoManager(XMPPConnection connection) {
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super(connection);
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serviceDiscoveryManager = ServiceDiscoveryManager.getInstanceFor(connection);
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}
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/**
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* Publishes the provided {@link SoftwareInfoForm} as an extended info.
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* <br>
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* @param softwareInfoForm form to be added as an extended info
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*/
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public void publishSoftwareInformationForm(SoftwareInfoForm softwareInfoForm) {
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serviceDiscoveryManager.addExtendedInfo(softwareInfoForm.getDataForm());
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}
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/**
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* Get Software Information from the provided XMPP address. Returns <code>null</code> in case the queried entity does not announce that information.
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*
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* @param jid jid to get software information from
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* @return {@link SoftwareInfoForm} Form containing software information or <code>null</code>.
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* @throws NoResponseException if there was no response from the remote entity
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* @throws XMPPErrorException if there was an XMPP error returned
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* @throws NotConnectedException if the XMPP connection is not connected
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* @throws InterruptedException if the calling thread was interrupted
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*/
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public SoftwareInfoForm fromJid(Jid jid) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
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DiscoverInfo discoverInfo = serviceDiscoveryManager.discoverInfo(jid);
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DataForm dataForm = DataForm.from(discoverInfo, SoftwareInfoForm.FORM_TYPE);
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if (dataForm == null) {
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return null;
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}
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return SoftwareInfoForm.getBuilder()
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.setDataForm(dataForm)
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.build();
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}
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}
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