org.ops4j.pax.web.extender.whiteboard.internal
Class HttpServiceTracker

java.lang.Object
  org.osgi.util.tracker.ServiceTracker
      org.ops4j.pax.web.extender.whiteboard.internal.HttpServiceTracker

All Implemented Interfaces:

org.osgi.util.tracker.ServiceTrackerCustomizer

public class HttpServiceTracker
extends org.osgi.util.tracker.ServiceTracker

Tracks http services.

Since:

August 21, 2007

Author:

Alin Dreghiciu

Field Summary

Fields inherited from class org.osgi.util.tracker.ServiceTracker

context, filter

Constructor Summary

HttpServiceTracker(org.osgi.framework.BundleContext bundleContext)
Tracks Http Services.

Method Summary

java.lang.Object	addingService(org.osgi.framework.ServiceReference serviceReference) Gets the service if one is not already available and notify listeners.
void	addListener(HttpServiceListener listener)
void	removedService(org.osgi.framework.ServiceReference serviceReference, java.lang.Object service) Notify listeners that the http service becomed unavailable.
void	removeListener(HttpServiceListener listener)

Methods inherited from class org.osgi.util.tracker.ServiceTracker

close, finalize, getService, getService, getServiceReference, getServiceReferences, getServices, getTrackingCount, modifiedService, open, open, remove, size, waitForService

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HttpServiceTracker

public HttpServiceTracker(org.osgi.framework.BundleContext bundleContext)

Tracks Http Services.

Parameters:

bundleContext - a bundle context; mandatory

Method Detail

addingService

public java.lang.Object addingService(org.osgi.framework.ServiceReference serviceReference)

Gets the service if one is not already available and notify listeners.

Specified by:

addingService in interface org.osgi.util.tracker.ServiceTrackerCustomizer

Overrides:

addingService in class org.osgi.util.tracker.ServiceTracker

See Also:

ServiceTracker.addingService(org.osgi.framework.ServiceReference)

removedService

public void removedService(org.osgi.framework.ServiceReference serviceReference,
                           java.lang.Object service)

Notify listeners that the http service becomed unavailable. Then looks for another one and if available notifies listeners.

Specified by:

removedService in interface org.osgi.util.tracker.ServiceTrackerCustomizer

Overrides:

removedService in class org.osgi.util.tracker.ServiceTracker

See Also:

ServiceTracker.removedService(org.osgi.framework.ServiceReference,Object)

addListener

public void addListener(HttpServiceListener listener)

removeListener

public void removeListener(HttpServiceListener listener)