JSTLXPathVariableResolver

java.lang.Object
- org.apache.taglibs.standard.tag.common.xml.JSTLXPathVariableResolver

All Implemented Interfaces:

javax.xml.xpath.XPathVariableResolver
```
public class JSTLXPathVariableResolver
extends java.lang.Object
implements javax.xml.xpath.XPathVariableResolver
```
The XPathVariableResolver implementation provides access to user XPath variables.

Constructor Summary

Constructors
Constructor and Description

JSTLXPathVariableResolver(PageContext pc)

Constructors
Constructor and Description
`JSTLXPathVariableResolver(PageContext pc)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`protected java.lang.Object`	`getVariableValue(java.lang.String namespace, java.lang.String prefix, java.lang.String localName)` Retrieve an XPath's variable value using JSTL's custom variable-mapping rules
`java.lang.Object`	`resolveVariable(javax.xml.namespace.QName qname)` Find variable in set of variables

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JSTLXPathVariableResolver

public JSTLXPathVariableResolver(PageContext pc)

Method Detail

resolveVariable
```
public java.lang.Object resolveVariable(javax.xml.namespace.QName qname)
                                 throws java.lang.NullPointerException
```
Find variable in set of variables

Specified by:

resolveVariable in interface javax.xml.xpath.XPathVariableResolver

Parameters:

QName - variable name

Returns:

QName variables value

Throws:

java.lang.NullPointerException - if variable name is null

getVariableValue

protected java.lang.Object getVariableValue(java.lang.String namespace,
                                            java.lang.String prefix,
                                            java.lang.String localName)
                                     throws UnresolvableException

Retrieve an XPath's variable value using JSTL's custom variable-mapping rules

Throws:: UnresolvableException

Class JSTLXPathVariableResolver

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

JSTLXPathVariableResolver

Method Detail

resolveVariable

getVariableValue