net.ontopia.topicmaps.utils
Class NullResolvingExternalReferenceHandler

java.lang.Object
  net.ontopia.topicmaps.utils.NullResolvingExternalReferenceHandler

All Implemented Interfaces:

ExternalReferenceHandlerIF

public class NullResolvingExternalReferenceHandler
extends Object
implements ExternalReferenceHandlerIF

PUBLIC: An implementation of ExternalReferenceHandlerIF that prevents the traversal of external references by returning null from all methods.

Since:

1.3.4

Constructor Summary

NullResolvingExternalReferenceHandler()

Method Summary

LocatorIF	externalTopic(LocatorIF parm1) PUBLIC: always returns null
LocatorIF	externalTopicMap(LocatorIF parm1) PUBLIC: always returns null

Methods inherited from class java.lang.Object

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

Constructor Detail

NullResolvingExternalReferenceHandler

public NullResolvingExternalReferenceHandler()

Method Detail

externalTopicMap

public LocatorIF externalTopicMap(LocatorIF parm1)

PUBLIC: always returns null

Specified by:

externalTopicMap in interface ExternalReferenceHandlerIF

Returns:

The locator which should be used to resolve the reference; if null is returned it will be interpreted as that the reference should not be traversed.

externalTopic

public LocatorIF externalTopic(LocatorIF parm1)

PUBLIC: always returns null

Specified by:

externalTopic in interface ExternalReferenceHandlerIF

Returns:

The locator which should be used to resolve the reference; if null is returned it will be interpreted as that the reference should not be traversed.