Package org.apache.tika.config

Class TikaActivator

java.lang.Object
org.apache.tika.config.TikaActivator
All Implemented Interfaces:
BundleActivator, ServiceTrackerCustomizer
public class TikaActivator extends Object implements BundleActivator, ServiceTrackerCustomizer
Bundle activator that adjust the class loading mechanism of the ServiceLoader class to work correctly in an OSGi environment.

Note that you should not access this class directly. Instead the OSGi environment (if present) will automatically invoke the methods of this class based on the Bundle-Activator setting in the bundle manifest.

Since:
Apache Tika 0.9

  • Constructor Details

    • TikaActivator

      public TikaActivator()

  • Method Details

    • start

      public void start(BundleContext context) throws Exception
      Description copied from interface: BundleActivator
      Called when this bundle is started so the Framework can perform the bundle-specific activities necessary to start this bundle. This method can be used to register services or to allocate any resources that this bundle needs.

      This method must complete and return to its caller in a timely manner.

      Specified by:
      start in interface BundleActivator
      Parameters:
      context - The execution context of the bundle being started.
      Throws:
      Exception - If this method throws an exception, this bundle is marked as stopped and the Framework will remove this bundle's listeners, unregister all services registered by this bundle, and release all services used by this bundle.

    • stop

      public void stop(BundleContext context) throws Exception
      Description copied from interface: BundleActivator
      Called when this bundle is stopped so the Framework can perform the bundle-specific activities necessary to stop the bundle. In general, this method should undo the work that the BundleActivator.start method started. There should be no active threads that were started by this bundle when this bundle returns. A stopped bundle must not call any Framework objects.

      This method must complete and return to its caller in a timely manner.

      Specified by:
      stop in interface BundleActivator
      Parameters:
      context - The execution context of the bundle being stopped.
      Throws:
      Exception - If this method throws an exception, the bundle is still marked as stopped, and the Framework will remove the bundle's listeners, unregister all services registered by the bundle, and release all services used by the bundle.

    • addingService

      public Object addingService(ServiceReference reference)
      Description copied from interface: ServiceTrackerCustomizer
      A service is being added to the ServiceTracker.

      This method is called before a service which matched the search parameters of the ServiceTracker is added to the ServiceTracker. This method should return the service object to be tracked for the specified ServiceReference. The returned service object is stored in the ServiceTracker and is available from the getService and getServices methods.

      Specified by:
      addingService in interface ServiceTrackerCustomizer
      Parameters:
      reference - The reference to the service being added to the ServiceTracker.
      Returns:
      The service object to be tracked for the specified referenced service or null if the specified referenced service should not be tracked.

    • modifiedService

      public void modifiedService(ServiceReference reference, Object service)
      Description copied from interface: ServiceTrackerCustomizer
      A service tracked by the ServiceTracker has been modified.

      This method is called when a service being tracked by the ServiceTracker has had it properties modified.

      Specified by:
      modifiedService in interface ServiceTrackerCustomizer
      Parameters:
      reference - The reference to the service that has been modified.
      service - The service object for the specified referenced service.

    • removedService

      public void removedService(ServiceReference reference, Object service)
      Description copied from interface: ServiceTrackerCustomizer
      A service tracked by the ServiceTracker has been removed.

      This method is called after a service is no longer being tracked by the ServiceTracker.

      Specified by:
      removedService in interface ServiceTrackerCustomizer
      Parameters:
      reference - The reference to the service that has been removed.
      service - The service object for the specified referenced service.