Francesco Furfari | ec7e175 | 2006-10-02 13:37:04 +0000 | [diff] [blame] | 1 | /*
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one
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| 3 | * or more contributor license agreements. See the NOTICE file
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| 4 | * distributed with this work for additional information
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| 5 | * regarding copyright ownership. The ASF licenses this file
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| 6 | * to you under the Apache License, Version 2.0 (the
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| 7 | * "License"); you may not use this file except in compliance
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| 8 | * with the License. You may obtain a copy of the License at
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Francesco Furfari | c37181b | 2006-04-04 23:50:50 +0000 | [diff] [blame] | 9 | *
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Francesco Furfari | ec7e175 | 2006-10-02 13:37:04 +0000 | [diff] [blame] | 10 | * http://www.apache.org/licenses/LICENSE-2.0
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Francesco Furfari | c37181b | 2006-04-04 23:50:50 +0000 | [diff] [blame] | 11 | *
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Francesco Furfari | ec7e175 | 2006-10-02 13:37:04 +0000 | [diff] [blame] | 12 | * Unless required by applicable law or agreed to in writing,
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| 13 | * software distributed under the License is distributed on an
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| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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| 15 | * KIND, either express or implied. See the License for the
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| 16 | * specific language governing permissions and limitations
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| 17 | * under the License.
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Francesco Furfari | c37181b | 2006-04-04 23:50:50 +0000 | [diff] [blame] | 18 | */
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| 19 |
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| 20 | package org.apache.felix.upnp.sample.tv;
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| 21 |
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| 22 | import java.beans.PropertyChangeEvent;
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| 23 | import java.beans.PropertyChangeListener;
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| 24 | import java.util.Dictionary;
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| 25 | import java.util.Iterator;
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| 26 | import java.util.Properties;
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| 27 | import java.util.Vector;
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| 28 |
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| 29 | import org.osgi.framework.BundleContext;
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| 30 | import org.osgi.framework.Constants;
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| 31 | import org.osgi.framework.Filter;
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| 32 | import org.osgi.framework.ServiceEvent;
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| 33 | import org.osgi.framework.ServiceListener;
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| 34 | import org.osgi.framework.ServiceReference;
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| 35 | import org.osgi.service.upnp.UPnPDevice;
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| 36 | import org.osgi.service.upnp.UPnPEventListener;
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| 37 | import org.osgi.service.upnp.UPnPService;
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| 38 | import org.osgi.service.upnp.UPnPStateVariable;
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| 39 |
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Francesco Furfari | f2a6791 | 2006-07-17 17:08:02 +0000 | [diff] [blame] | 40 | /*
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Karl Pauls | d312acc | 2007-06-18 20:38:33 +0000 | [diff] [blame^] | 41 | * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
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Francesco Furfari | f2a6791 | 2006-07-17 17:08:02 +0000 | [diff] [blame] | 42 | */
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Francesco Furfari | c37181b | 2006-04-04 23:50:50 +0000 | [diff] [blame] | 43 |
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| 44 | public class UPnPEventNotifier implements PropertyChangeListener,ServiceListener {
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| 45 | BundleContext context;
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| 46 | UPnPDevice device;
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| 47 | UPnPService service;
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| 48 | EventSource source;
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| 49 |
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| 50 | Properties UPnPTargetListener;
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| 51 | String deviceId;
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| 52 | String serviceId;
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| 53 | Vector upnpListeners = new Vector();
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| 54 |
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| 55 | public UPnPEventNotifier(BundleContext context,UPnPDevice device,UPnPService service,EventSource source){
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| 56 | this.context=context;
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| 57 | this.device=device;
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| 58 | this.service=service;
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| 59 | this.source=source;
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| 60 | this.serviceId=service.getId();
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| 61 | setupUPnPListenerHouseKeeping(device);
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| 62 | }
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| 63 |
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| 64 | /**
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| 65 | * @param deviceId
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| 66 | */
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| 67 | private void setupUPnPListenerHouseKeeping(UPnPDevice device) {
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| 68 | UPnPTargetListener = new Properties();
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| 69 | Dictionary dict = device.getDescriptions(null);
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| 70 | deviceId = (String) dict.get(UPnPDevice.ID);
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| 71 | UPnPTargetListener.put(UPnPDevice.ID,deviceId);
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| 72 | UPnPTargetListener.put(UPnPService.ID,serviceId);
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| 73 | UPnPTargetListener.put(UPnPDevice.TYPE,dict.get(UPnPDevice.TYPE));
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| 74 | UPnPTargetListener.put(UPnPService.TYPE,service.getType());
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| 75 | String ANY_UPnPEventListener = "("+Constants.OBJECTCLASS+"="+UPnPEventListener.class.getName()+")";
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| 76 |
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| 77 | ServiceReference[] listeners = null;
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| 78 | try {
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| 79 | listeners = context.getServiceReferences(UPnPEventListener.class.getName(),null);
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| 80 | if (listeners != null){
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| 81 | for (int i = 0;i<listeners.length;i++){
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| 82 | ServiceReference sr = listeners[i];
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| 83 | Filter filter = (Filter) sr.getProperty(UPnPEventListener.UPNP_FILTER);
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| 84 | if (filter == null) addNewListener(sr);
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| 85 | else {
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| 86 | if (filter.match(UPnPTargetListener))
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| 87 | addNewListener(sr);
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| 88 | }
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| 89 | }
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| 90 | }
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| 91 | } catch (Exception ex) {
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| 92 | System.out.println(ex);
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| 93 | }
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| 94 |
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| 95 | try {
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| 96 | //String filter = "(&" + ANY_UPnPEventListener + deviceId_Filter + ")";
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| 97 | String filter = ANY_UPnPEventListener;
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| 98 | context.addServiceListener(this,filter);
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| 99 | } catch (Exception ex) {
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| 100 | System.out.println(ex);
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| 101 | }
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| 102 |
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| 103 | if (source!=null){
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| 104 | UPnPStateVariable[] vars = service.getStateVariables();
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| 105 | if (vars != null){
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| 106 | for (int i=0;i<vars.length;i++)
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| 107 | if(vars[i].sendsEvents())
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| 108 | source.addPropertyChangeListener(vars[i].getName(),this);
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| 109 | }
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| 110 | }
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| 111 |
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| 112 |
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| 113 | }
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| 114 |
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| 115 | /* (non-Javadoc)
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| 116 | * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
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| 117 | */
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| 118 | public void propertyChange(PropertyChangeEvent evt) {
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| 119 | Iterator list = upnpListeners.iterator();
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| 120 | String property = evt.getPropertyName();
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| 121 | Object value = evt.getNewValue();
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| 122 | String valueString = value.toString();
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| 123 | final Properties events = new Properties();
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| 124 | events.put(property,valueString);
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| 125 | while (list.hasNext()){
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| 126 | final ServiceReference sr = (ServiceReference)list.next();
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| 127 | String[] props =sr.getPropertyKeys();
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| 128 | new Thread(null,null,"Notifier"){
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| 129 | public void run(){
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| 130 | try {
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| 131 | UPnPEventListener listener = (UPnPEventListener) context.getService(sr);
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| 132 | listener.notifyUPnPEvent(deviceId,serviceId,events);
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| 133 | context.ungetService(sr);
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| 134 | } catch (Exception ex){
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| 135 | System.out.println("TV UPnPEventNotifier Err: " +ex);
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| 136 | System.out.println("context: " +context);
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| 137 | System.out.println("listener: " +context.getService(sr));
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| 138 | System.out.println("sr: " +sr);
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| 139 | }
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| 140 | }
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| 141 | }.start();
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| 142 | }
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| 143 | }
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| 144 |
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| 145 | /* (non-Javadoc)
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| 146 | * @see org.osgi.framework.ServiceListener#serviceChanged(org.osgi.framework.ServiceEvent)
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| 147 | */
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| 148 | public void serviceChanged(ServiceEvent e) {
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| 149 | switch(e.getType()){
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| 150 | case ServiceEvent.REGISTERED:{
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| 151 | ServiceReference sr = e.getServiceReference();
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| 152 | Filter filter = (Filter) sr.getProperty(UPnPEventListener.UPNP_FILTER);
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| 153 | if (filter == null) addNewListener(sr);
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| 154 | else {
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| 155 | if (filter.match(UPnPTargetListener))
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| 156 | addNewListener(sr);
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| 157 | }
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| 158 | };break;
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| 159 |
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| 160 | case ServiceEvent.MODIFIED:{
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Francesco Furfari | d6f86a0 | 2006-06-23 12:15:54 +0000 | [diff] [blame] | 161 | ServiceReference sr = e.getServiceReference();
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| 162 | Filter filter = (Filter) sr.getProperty(UPnPEventListener.UPNP_FILTER);
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| 163 | removeListener(sr);
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| 164 | if (filter == null)
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| 165 | addNewListener(sr);
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| 166 | else {
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| 167 | if (filter.match(UPnPTargetListener))
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| 168 | addNewListener(sr);
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| 169 | }
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Francesco Furfari | c37181b | 2006-04-04 23:50:50 +0000 | [diff] [blame] | 170 | };break;
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| 171 |
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| 172 | case ServiceEvent.UNREGISTERING:{
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| 173 | removeListener(e.getServiceReference());
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| 174 | };break;
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| 175 |
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| 176 | }
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| 177 |
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| 178 | }
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| 179 |
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| 180 | /**
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| 181 | * @param reference
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| 182 | */
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| 183 | private void removeListener(ServiceReference reference) {
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| 184 | upnpListeners.remove(reference);
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| 185 | }
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| 186 |
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| 187 | /**
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| 188 | * @param reference
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| 189 | */
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| 190 | private void addNewListener(ServiceReference reference) {
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| 191 | upnpListeners.add(reference);
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| 192 | UPnPStateVariable[] vars = service.getStateVariables();
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| 193 | if (vars != null){
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| 194 | for (int i=0;i<vars.length;i++)
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| 195 | if(vars[i].sendsEvents()){
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| 196 | Object value = ((UPnPStateVariableDescriptor) vars[i]).getValue();
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| 197 | propertyChange(new PropertyChangeEvent(this,vars[i].getName(),value,value));
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| 198 | }
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| 199 | }
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| 200 | }
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| 201 |
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| 202 | public void destroy(){
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| 203 | context.removeServiceListener(this);
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| 204 | upnpListeners.removeAllElements();
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| 205 | }
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| 206 | }
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