org.apache.geronimo.blueprint.namespace
Class NamespaceHandlerRegistryImpl

java.lang.Object
  org.apache.geronimo.blueprint.namespace.NamespaceHandlerRegistryImpl

All Implemented Interfaces:

NamespaceHandlerRegistry, org.osgi.util.tracker.ServiceTrackerCustomizer

public class NamespaceHandlerRegistryImpl
extends Object
implements NamespaceHandlerRegistry, org.osgi.util.tracker.ServiceTrackerCustomizer

Default implementation of the NamespaceHandlerRegistry. This registry will track NamespaceHandler objects in the OSGi registry and make them available, calling listeners when handlers are registered or unregistered.

Version:

$Rev: 760378 $, $Date: 2009-03-31 11:31:38 +0200 (Tue, 31 Mar 2009) $

Author:

Apache Geronimo Project

Nested Class Summary

static class

NamespaceHandlerRegistryImpl.LRUMap<K,V>

Nested classes/interfaces inherited from interface org.apache.geronimo.blueprint.container.NamespaceHandlerRegistry

NamespaceHandlerRegistry.Listener

Field Summary

static URI	BLUEPRINT_NAMESPACE
static String	NAMESPACE

Constructor Summary

NamespaceHandlerRegistryImpl(org.osgi.framework.BundleContext bundleContext)

Method Summary

Object	addingService(org.osgi.framework.ServiceReference reference)
void	addListener(NamespaceHandlerRegistry.Listener listener) Add a new Listener to be called when namespace handlers are registerd or unregistered
void	destroy() Destroy this registry
NamespaceHandler	getNamespaceHandler(URI uri) Retrieve the NamespaceHandler for the specified URI
Schema	getSchema(Set<URI> namespaces) Obtain a schema to validate the XML for the given list of namespaces
void	modifiedService(org.osgi.framework.ServiceReference reference, Object service)
void	registerHandler(NamespaceHandler handler, Map properties)
void	removedService(org.osgi.framework.ServiceReference reference, Object service)
void	removeListener(NamespaceHandlerRegistry.Listener listener) Remove a previously registered Listener
protected void	removeSchemasFor(List<URI> namespaces)
void	unregisterHandler(NamespaceHandler handler, Map properties)

Methods inherited from class java.lang.Object

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

Field Detail

BLUEPRINT_NAMESPACE

public static final URI BLUEPRINT_NAMESPACE

NAMESPACE

public static final String NAMESPACE

See Also:

Constant Field Values

Constructor Detail

NamespaceHandlerRegistryImpl

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

Method Detail

addingService

public Object addingService(org.osgi.framework.ServiceReference reference)

Specified by:

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

modifiedService

public void modifiedService(org.osgi.framework.ServiceReference reference,
                            Object service)

Specified by:

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

removedService

public void removedService(org.osgi.framework.ServiceReference reference,
                           Object service)

Specified by:

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

registerHandler

public void registerHandler(NamespaceHandler handler,
                            Map properties)

unregisterHandler

public void unregisterHandler(NamespaceHandler handler,
                              Map properties)

getNamespaceHandler

public NamespaceHandler getNamespaceHandler(URI uri)

Description copied from interface: NamespaceHandlerRegistry

Retrieve the NamespaceHandler for the specified URI

Specified by:

getNamespaceHandler in interface NamespaceHandlerRegistry

Parameters:

uri - the namespace identifying the namespace handler

Returns:

the registered NamespaceHandler or null if none has been registered for the given namespace

destroy

public void destroy()

Description copied from interface: NamespaceHandlerRegistry

Destroy this registry

Specified by:

destroy in interface NamespaceHandlerRegistry

addListener

public void addListener(NamespaceHandlerRegistry.Listener listener)

Description copied from interface: NamespaceHandlerRegistry

Add a new Listener to be called when namespace handlers are registerd or unregistered

Specified by:

addListener in interface NamespaceHandlerRegistry

Parameters:

listener - the listener to register

removeListener

public void removeListener(NamespaceHandlerRegistry.Listener listener)

Description copied from interface: NamespaceHandlerRegistry

Remove a previously registered Listener

Specified by:

removeListener in interface NamespaceHandlerRegistry

Parameters:

listener - the listener to unregister

getSchema

public Schema getSchema(Set<URI> namespaces)
                 throws IOException,
                        SAXException

Description copied from interface: NamespaceHandlerRegistry

Obtain a schema to validate the XML for the given list of namespaces

Specified by:

getSchema in interface NamespaceHandlerRegistry

Returns:

Throws:

IOException

SAXException

removeSchemasFor

protected void removeSchemasFor(List<URI> namespaces)