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b91978dcc4
That is XEP-0323, -0324, -0325, and -0347. SMACK-727.
150 lines
5.6 KiB
Java
150 lines
5.6 KiB
Java
/**
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*
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* Copyright 2016 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.iot.control;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Map;
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import java.util.WeakHashMap;
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import java.util.concurrent.ConcurrentHashMap;
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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.smack.iqrequest.AbstractIqRequestHandler;
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import org.jivesoftware.smack.iqrequest.IQRequestHandler.Mode;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smackx.iot.Thing;
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import org.jivesoftware.smackx.iot.control.element.IoTSetRequest;
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import org.jivesoftware.smackx.iot.control.element.IoTSetResponse;
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import org.jivesoftware.smackx.iot.control.element.SetData;
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import org.jivesoftware.smackx.iot.element.NodeInfo;
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import org.jxmpp.jid.FullJid;
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/**
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* A manger for XEP-0325: Internet of Things - Control.
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*
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* @author Florian Schmaus {@literal <flo@geekplace.eu>}
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* @see <a href="http://xmpp.org/extensions/xep-0325.html">XEP-0323: Internet of Things - Control</a>
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*/
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public final class IoTControlManager extends Manager {
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private static final Map<XMPPConnection, IoTControlManager> INSTANCES = new WeakHashMap<>();
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/**
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* Get the manger instance responsible for the given connection.
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*
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* @param connection the XMPP connection.
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* @return a manager instance.
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*/
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public static synchronized IoTControlManager getInstanceFor(XMPPConnection connection) {
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IoTControlManager manager = INSTANCES.get(connection);
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if (manager == null) {
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manager = new IoTControlManager(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 final Map<NodeInfo, Thing> things = new ConcurrentHashMap<>();
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private IoTControlManager(XMPPConnection connection) {
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super(connection);
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connection.registerIQRequestHandler(new AbstractIqRequestHandler(IoTSetRequest.ELEMENT, IoTSetRequest.NAMESPACE, IQ.Type.set, Mode.async) {
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@Override
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public IQ handleIQRequest(IQ iqRequest) {
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// TODO Lookup thing and provide data.
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IoTSetRequest iotSetRequest = (IoTSetRequest) iqRequest;
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// TODO Add support for multiple things(/NodeInfos).
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final Thing thing = things.get(NodeInfo.EMPTY);
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if (thing == null) {
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// TODO return error if not at least one thing registered.
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return null;
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}
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ThingControlRequest controlRequest = thing.getControlRequestHandler();
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if (controlRequest == null) {
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// TODO return error if no request handler for things.
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return null;
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}
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try {
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controlRequest.processRequest(iotSetRequest.getFrom(), iotSetRequest.getSetData());
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} catch (XMPPErrorException e) {
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return IQ.createErrorResponse(iotSetRequest, e.getXMPPError());
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}
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return new IoTSetResponse(iotSetRequest);
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}
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});
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}
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/**
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* Control a thing by sending a collection of {@link SetData} instructions.
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*
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* @param jid
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* @param data
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* @return
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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 #setUsingIq(FullJid, Collection)
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*/
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public IoTSetResponse setUsingIq(FullJid jid, SetData data) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
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return setUsingIq(jid, Collections.singleton(data));
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}
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/**
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* Control a thing by sending a collection of {@link SetData} instructions.
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*
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* @param jid the thing to control.
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* @param data a collection of {@link SetData} instructions.
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* @return the {@link IoTSetResponse} if successful.
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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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*/
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public IoTSetResponse setUsingIq(FullJid jid, Collection<SetData> data) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
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IoTSetRequest request = new IoTSetRequest(data);
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request.setTo(jid);
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IoTSetResponse response = connection().createPacketCollectorAndSend(request).nextResultOrThrow();
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return response;
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}
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/**
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* Install a thing in the manager. Activates control functionality (if provided by the thing).
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*
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* @param thing the thing to install.
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*/
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public void installThing(Thing thing) {
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things.put(thing.getNodeInfo(), thing);
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}
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public Thing uninstallThing(Thing thing) {
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return uninstallThing(thing.getNodeInfo());
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}
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public Thing uninstallThing(NodeInfo nodeInfo) {
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return things.remove(nodeInfo);
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}
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}
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