ResolverXPointer (Apache XML Security for Java 4.0.4 API)

java.lang.Object
- org.apache.xml.security.utils.resolver.ResourceResolverSpi
- - 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).

Constructor Summary

Constructors
Constructor Description

ResolverXPointer()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`engineCanResolveURI(ResourceResolverContext context)`	This method helps the `ResourceResolver` to decide whether a `ResourceResolverSpi` is able to perform the requested action.
`XMLSignatureInput`	`engineResolveURI(ResourceResolverContext context)`	This is the workhorse method used to resolve resources.

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
  - engineResolveURI
```
public XMLSignatureInput engineResolveURI(ResourceResolverContext context)
                                   throws ResourceResolverException
```
    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)
```
    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