net.ontopia.topicmaps.utils
Class NullResolvingExternalReferenceHandler

java.lang.Object
  extended by net.ontopia.topicmaps.utils.NullResolvingExternalReferenceHandler
All Implemented Interfaces:
ExternalReferenceHandlerIF

public class NullResolvingExternalReferenceHandler
extends java.lang.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
equals, 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.


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