Examples with UPnPEventListener org.osgi.service.upnp.UPnPEventListener used on opensource projects

Example 1 with UPnPEventListener

use of org.osgi.service.upnp.UPnPEventListener in project felix by apache.

the class ThreadExporter method bindSubscribe.

/**
 * This method add an UPnPEventListener Service to the OSGi Framework so that
 * the Base Driver can notify all the event listener registered on the CyberLink
 * UPnP device from the UPnP World.
 *
 * @param d Device of CyberLink that will be notified by the changing of the StateVariable
 * 		that happen on the OSGi World
 * @return ServiceRegistration of the new registered service.
 */
private ServiceRegistration bindSubscribe(Device d) {
    ExporterUPnPEventListener eventer = new ExporterUPnPEventListener(d);
    Properties p = new Properties();
    StringBuffer sb = new StringBuffer("(|");
    Vector v = new Vector();
    v.add(d);
    Device current;
    while (v.size() != 0) {
        current = (Device) v.elementAt(0);
        v.remove(0);
        DeviceList dl = current.getDeviceList();
        for (int i = 0; i < dl.size(); i++) {
            v.add(dl.elementAt(i));
        }
        sb.append("(").append(UPnPDevice.ID).append("=").append(current.getUDN()).append(")");
    }
    sb.append(")");
    Filter f = null;
    try {
        f = Activator.bc.createFilter(sb.toString());
    } catch (InvalidSyntaxException e) {
        e.printStackTrace();
        return null;
    }
    if (f != null)
        p.put(UPnPEventListener.UPNP_FILTER, f);
    return Activator.bc.registerService(UPnPEventListener.class.getName(), eventer, p);
}

Example 2 with UPnPEventListener

use of org.osgi.service.upnp.UPnPEventListener in project felix by apache.

the class MyCtrlPoint method searchForListener.

public void searchForListener(Device device) {
    Activator.logger.DEBUG("[Importer] searching for UPnPEventListener");
    ServiceReference[] listeners = null;
    try {
        listeners = context.getServiceReferences(UPnPEventListener.class.getName(), null);
    } catch (InvalidSyntaxException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    if (listeners != null) {
        String deviceID = device.getUDN();
        String serviceID;
        String deviceType = device.getDeviceType();
        String serviceType;
        Hashtable hash = new Hashtable();
        hash.put(UPnPDevice.ID, deviceID);
        hash.put(UPnPDevice.TYPE, deviceType);
        ServiceList services = device.getServiceList();
        Vector eventedSers = new Vector();
        for (int i = 0; i < services.size(); i++) {
            Service service = (Service) services.elementAt(i);
            ServiceStateTable vars = service.getServiceStateTable();
            for (int j = 0; j < vars.size(); j++) {
                StateVariable var = (StateVariable) vars.elementAt(j);
                if (var.isSendEvents()) {
                    eventedSers.add(service);
                    break;
                }
            }
        }
        for (int i = 0; i < listeners.length; i++) {
            UPnPEventListener listener = (UPnPEventListener) context.getService(listeners[i]);
            Filter filter = (Filter) listeners[i].getProperty(UPnPEventListener.UPNP_FILTER);
            if (filter == null) {
                for (int j = 0; j < eventedSers.size(); j++) {
                    Service ser = (Service) eventedSers.elementAt(j);
                    subQueue.enqueue(new FirstMessage(ser, listener));
                }
            } else {
                for (int j = 0; j < eventedSers.size(); j++) {
                    Service ser = (Service) eventedSers.elementAt(j);
                    serviceID = ser.getServiceID();
                    serviceType = ser.getServiceType();
                    hash.put(UPnPService.ID, serviceID);
                    hash.put(UPnPService.TYPE, serviceType);
                    boolean bool = filter.match(hash);
                    if (bool) {
                        subQueue.enqueue(new FirstMessage(ser, listener));
                    }
                }
            }
        }
    }
}

Example 3 with UPnPEventListener

use of org.osgi.service.upnp.UPnPEventListener in project felix by apache.

the class MyCtrlPoint method serviceChanged.

/*
	 * (non-Javadoc)
	 * 
	 * @see org.osgi.framework.ServiceListener#serviceChanged(org.osgi.framework.ServiceEvent)
	 */
public void serviceChanged(ServiceEvent event) {
    Activator.logger.DEBUG("[Importer] serviceChanged");
    Activator.logger.DEBUG("Event::" + event.toString());
    if (event.getType() == ServiceEvent.REGISTERED) {
        /* check new listener registration */
        ServiceReference serRef = event.getServiceReference();
        Object obj = serRef.getProperty(UPnPEventListener.UPNP_FILTER);
        /* obtain interested devices for the listener */
        ServiceReference[] devicesRefs = null;
        if (obj != null) {
            Filter filter = (Filter) obj;
            String filtra = filter.toString();
            /*
				 * Avoid to implement the notification for device 
				 * that are not been created by BaseDriver
				 */
            String newfilter = "(&" + filtra + IMPORT_FLTR + ")";
            // System.out.println(newfilter);
            try {
                devicesRefs = context.getServiceReferences(UPnPDevice.class.getName(), newfilter);
            } catch (InvalidSyntaxException e) {
                e.printStackTrace();
            }
            if (devicesRefs != null) {
                /*
										   * 
										   * only if there is a compatibile device
										   */
                Dictionary dic = new Hashtable();
                for (int i = 0; i < devicesRefs.length; i++) {
                    UPnPDevice device = (UPnPDevice) context.getService(devicesRefs[i]);
                    dic.put(UPnPDevice.ID, device.getDescriptions(null).get(UPnPDevice.UDN));
                    dic.put(UPnPDevice.TYPE, device.getDescriptions(null).get(UPnPDevice.TYPE));
                    UPnPService[] services = device.getServices();
                    if (services != null) {
                        for (int j = 0; j < services.length; j++) {
                            dic.put(UPnPService.ID, services[j].getId());
                            dic.put(UPnPService.TYPE, services[j].getType());
                            // TODO add method boolean serviceEvented() so we can remove the below cycle
                            UPnPStateVariable[] stateVars = services[j].getStateVariables();
                            boolean hasEventedVars = false;
                            for (int k = 0; k < stateVars.length && !hasEventedVars; k++) {
                                hasEventedVars = stateVars[k].sendsEvents();
                                if (hasEventedVars) {
                                    if (filter.match(dic)) {
                                        UPnPEventListener listener = (UPnPEventListener) context.getService(serRef);
                                        FirstMessage msg = new FirstMessage(((UPnPServiceImpl) services[j]).getCyberService(), listener);
                                        subQueue.enqueue(msg);
                                    }
                                }
                            }
                        }
                    }
                    context.ungetService(devicesRefs[i]);
                }
            }
        } else {
            /* obj==null (interested in all devices) */
            try {
                String newfilter = "(!" + EXPORT_FLTR + ")";
                devicesRefs = context.getServiceReferences(UPnPDevice.class.getName(), newfilter);
            } catch (InvalidSyntaxException e) {
                e.printStackTrace();
            }
            if (devicesRefs != null) {
                for (int i = 0; i < devicesRefs.length; i++) {
                    UPnPDevice device = (UPnPDevice) context.getService(devicesRefs[i]);
                    UPnPService[] services = device.getServices();
                    if (services != null) {
                        for (int j = 0; j < services.length; j++) {
                            UPnPStateVariable[] stateVars = services[j].getStateVariables();
                            boolean bool = false;
                            for (int k = 0; k < stateVars.length; k++) {
                                bool = stateVars[k].sendsEvents();
                                if (bool) {
                                    break;
                                }
                            }
                            if (bool) {
                                UPnPEventListener listener = (UPnPEventListener) context.getService(serRef);
                                FirstMessage msg = new FirstMessage(((UPnPServiceImpl) services[j]).getCyberService(), listener);
                                subQueue.enqueue(msg);
                            }
                        }
                    }
                    context.ungetService(devicesRefs[i]);
                }
            }
        }
    } else if (event.getType() == ServiceEvent.MODIFIED) {
        Vector newServices = new Vector();
        ServiceReference serRef = event.getServiceReference();
        Filter filter = (Filter) serRef.getProperty(UPnPEventListener.UPNP_FILTER);
        UPnPEventListener listener = (UPnPEventListener) context.getService(serRef);
        ServiceReference[] devicesRefs = null;
        if (filter != null) {
            try {
                String filtra = filter.toString();
                String newfilter = "(&" + filtra + "(!" + EXPORT_FLTR + ")" + ")";
                devicesRefs = context.getServiceReferences(UPnPDevice.class.getName(), newfilter);
            } catch (InvalidSyntaxException e) {
                e.printStackTrace();
            }
            if (devicesRefs != null) {
                /*
										   * 
										   * only if there is a compatibile device
										   */
                Dictionary dic = new Hashtable();
                /* 
					 * look for the service that match
					 */
                for (int i = 0; i < devicesRefs.length; i++) {
                    UPnPDevice device = (UPnPDevice) context.getService(devicesRefs[i]);
                    dic.put(UPnPDevice.ID, device.getDescriptions(null).get(UPnPDevice.UDN));
                    dic.put(UPnPDevice.TYPE, device.getDescriptions(null).get(UPnPDevice.TYPE));
                    UPnPService[] services = device.getServices();
                    if (services != null) {
                        for (int j = 0; j < services.length; j++) {
                            dic.put(UPnPService.ID, services[j].getId());
                            dic.put(UPnPService.TYPE, services[j].getType());
                            UPnPStateVariable[] stateVars = services[j].getStateVariables();
                            boolean hasEventedVars = false;
                            for (int k = 0; k < stateVars.length; k++) {
                                hasEventedVars = stateVars[k].sendsEvents();
                                if (hasEventedVars) {
                                    break;
                                }
                            }
                            if (!hasEventedVars) {
                                continue;
                            }
                            boolean bool = filter.match(dic);
                            if (bool) {
                                newServices.add(((UPnPServiceImpl) services[j]).getCyberService());
                            }
                        }
                    // for services
                    }
                    // services ==null
                    context.ungetService(devicesRefs[i]);
                }
                // for devicesRefs
                ListenerModified msg = new ListenerModified(newServices, listener);
                subQueue.enqueue(msg);
            }
        // devicesrefs !=null
        } else {
            // interrested in all devices
            try {
                String newfilter = "(!(" + UPnPDevice.UPNP_EXPORT + "=*" + ")" + ")";
                devicesRefs = context.getServiceReferences(UPnPDevice.class.getName(), newfilter);
            } catch (InvalidSyntaxException e) {
                e.printStackTrace();
            }
            if (devicesRefs != null) {
                for (int i = 0; i < devicesRefs.length; i++) {
                    UPnPDevice device = (UPnPDevice) context.getService(devicesRefs[i]);
                    UPnPService[] services = device.getServices();
                    if (services != null) {
                        for (int j = 0; j < services.length; j++) {
                            UPnPStateVariable[] stateVars = services[j].getStateVariables();
                            boolean hasEventedVars = false;
                            for (int k = 0; k < stateVars.length; k++) {
                                hasEventedVars = stateVars[k].sendsEvents();
                                if (hasEventedVars) {
                                    break;
                                }
                            }
                            if (hasEventedVars) {
                                newServices.add(((UPnPServiceImpl) services[j]).getCyberService());
                            }
                        // hasEventedvars
                        }
                    // for services
                    }
                    // services !=null
                    context.ungetService(devicesRefs[i]);
                }
                // for devicesRefs
                subQueue.enqueue(new ListenerModified(newServices, listener));
            }
        // devicesRefs !=null
        }
    } else if (event.getType() == ServiceEvent.UNREGISTERING) {
        UPnPEventListener listener = (UPnPEventListener) context.getService(event.getServiceReference());
        if (listener != null) {
            ListenerUnRegistration msg = new ListenerUnRegistration(listener);
            subQueue.enqueue(msg);
        }
        context.ungetService(event.getServiceReference());
    }
}

Example 4 with UPnPEventListener

use of org.osgi.service.upnp.UPnPEventListener in project felix by apache.

the class Monitor method updateListener.

public synchronized void updateListener(ListenerModified msg, SubscriptionQueue subqueue, MyCtrlPoint ctrl) /*##renew, SidRenewer sidRenewer*/
{
    UPnPEventListener listener = msg.getListener();
    Vector newServices = msg.getNewServices();
    Vector subscribed = new Vector();
    Vector notSubscribed = new Vector();
    for (int i = 0; i < newServices.size(); i++) {
        Service ser = (Service) newServices.elementAt(i);
        if (ser.isSubscribed()) {
            subscribed.add(ser);
        } else {
            notSubscribed.add(ser);
        }
    }
    Vector oldSids = sidListSid.getSidsFromListener(listener);
    // check subscribed services
    if (oldSids == null)
        return;
    for (int i = 0; i < notSubscribed.size(); i++) {
        Service ser = (Service) notSubscribed.elementAt(i);
        subqueue.enqueue(new FirstMessage(ser, listener));
    }
    for (int i = 0; i < oldSids.size(); i++) {
        String oldSid = (String) oldSids.elementAt(i);
        if (!subscribed.contains(oldSid)) {
            // francesco-renew
            // to check -- Listner removal from sid2Listener
            unsubscribeListenerForSid(oldSid, listener, ctrl);
        }
    }
}

Example 5 with UPnPEventListener

use of org.osgi.service.upnp.UPnPEventListener in project felix by apache.

the class Sid2Listeners method updateListeners.

/**
 * @param sid
 * @param dictionary
 */
public boolean updateListeners(String sid, String deviceID, String serviceID, Dictionary dictionary) {
    Vector listeners = (Vector) sidListener.get(sid);
    if (listeners != null) {
        for (int i = 0; i < listeners.size(); i++) {
            UPnPEventListener listener = (UPnPEventListener) listeners.elementAt(i);
            listener.notifyUPnPEvent(deviceID, serviceID, dictionary);
        }
        return true;
    }
    return false;
}