org.apache.xml.security.utils.resolver.implementations
Class ResolverXPointer

java.lang.Object
  extended by org.apache.xml.security.utils.resolver.ResourceResolverSpi
      extended by org.apache.xml.security.utils.resolver.implementations.ResolverXPointer

public class ResolverXPointer
extends ResourceResolverSpi

Handles barename XPointer Reference URIs.
To retain comments while selecting an element by an identifier ID, use the following full XPointer: URI='#xpointer(id('ID'))'.
To retain comments while selecting the entire document, use the following full XPointer: URI='#xpointer(/)'. This XPointer contains a simple XPath expression that includes the root node, which the second to last step above replaces with all nodes of the parse tree (all descendants, plus all attributes, plus all namespaces nodes).

Author:
$Author: coheigea $

Field Summary
 
Fields inherited from class org.apache.xml.security.utils.resolver.ResourceResolverSpi
properties
 
Constructor Summary
ResolverXPointer()
           
 
Method Summary
 boolean engineCanResolveURI(ResourceResolverContext context)
          This method helps the ResourceResolver to decide whether a ResourceResolverSpi is able to perform the requested action.
 boolean engineIsThreadSafe()
          Tells if the implementation does can be reused by several threads safely.
 XMLSignatureInput engineResolveURI(ResourceResolverContext context)
          This is the workhorse method used to resolve resources.
 
Methods inherited from class org.apache.xml.security.utils.resolver.ResourceResolverSpi
engineAddProperies, engineGetProperty, engineGetPropertyKeys, engineSetProperty, fixURI, understandsProperty
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ResolverXPointer

public ResolverXPointer()
Method Detail

engineIsThreadSafe

public boolean engineIsThreadSafe()
Description copied from class: ResourceResolverSpi
Tells if the implementation does can be reused by several threads safely. It normally means that the implementation does not have any member, or there is member change between engineCanResolve & engineResolve invocations. Or it maintains all member info in ThreadLocal methods.

Overrides:
engineIsThreadSafe in class ResourceResolverSpi

engineResolveURI

public XMLSignatureInput engineResolveURI(ResourceResolverContext context)
                                   throws ResourceResolverException
Description copied from class: ResourceResolverSpi
This is the workhorse method used to resolve resources.

Specified by:
engineResolveURI in class ResourceResolverSpi
Parameters:
context - Context to use to resolve resources.
Returns:
the resource wrapped around a XMLSignatureInput
Throws:
ResourceResolverException

engineCanResolveURI

public boolean engineCanResolveURI(ResourceResolverContext context)
Description copied from class: ResourceResolverSpi
This method helps the ResourceResolver to decide whether a ResourceResolverSpi is able to perform the requested action.

Specified by:
engineCanResolveURI in class ResourceResolverSpi
Parameters:
context - Context in which to do resolution.
Returns:
true if the engine can resolve the uri


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