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## org.dom4j.xpath
Class XPathPattern

    java.lang.Object
      org.dom4j.xpath.XPathPattern

All Implemented Interfaces:
  NodeFilter, Pattern

public class XPathPattern
extends Object
implements Pattern

`XPathPattern` is an implementation of Pattern which uses an XPath xpath.

Version:
  $Revision: 1.18.2.1 $
Author:
  James Strachan

Field Summary

Fields inherited from interface org.dom4j.rule.Pattern
`ANY_NODE, DEFAULT_PRIORITY, NONE, NUMBER_OF_TYPES`

Constructor Summary
`XPathPattern(org.jaxen.pattern.Pattern pattern)`
`XPathPattern(String text)`

Method Summary
`protected org.jaxen.ContextSupport` | `getContextSupport()`
`String` | `getMatchesNodeName()` For patterns which only match an ATTRIBUTE_NODE or an ELEMENT_NODE then this pattern may return the name of the element or attribute it matches.
`short` | `getMatchType()` DOCUMENT ME!
`double` | `getPriority()` Returns the default resolution policy of the pattern according to the XSLT conflict resolution spec .
`String` | `getText()`
`Pattern[]` | `getUnionPatterns()` If this pattern is a union pattern then this method should return an array of patterns which describe the union pattern, which should contain more than one pattern.
`protected void` | `handleJaxenException(org.jaxen.JaxenException exception)`
`boolean` | `matches(Node node)` DOCUMENT ME!
`void` | `setVariableContext(org.jaxen.VariableContext variableContext)`
`String` | `toString()`

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

Constructor Detail

### XPathPattern

    public XPathPattern(org.jaxen.pattern.Pattern pattern)

### XPathPattern

    public XPathPattern(String text)

Method Detail

### matches

    public boolean matches(Node node)

  Description copied from interface: `Pattern`
  DOCUMENT ME!

  Specified by:
    `matches` in interface `Pattern`
  Parameters:
    `node` - DOCUMENT ME!
  Returns:
    true if the pattern matches the given DOM4J node.

### getText

    public String getText()

### getPriority

    public double getPriority()

  Description copied from interface: `Pattern`
  Returns the default resolution policy of the pattern according to the XSLT conflict resolution spec .

  Specified by:
    `getPriority` in interface `Pattern`
  Returns:
    DOCUMENT ME!

### getUnionPatterns

    public Pattern[] getUnionPatterns()

  Description copied from interface: `Pattern`
  If this pattern is a union pattern then this method should return an array of patterns which describe the union pattern, which should contain more than one pattern. Otherwise this method should return null.

  Specified by:
    `getUnionPatterns` in interface `Pattern`
  Returns:
    an array of the patterns which make up this union pattern or null if this pattern is not a union pattern

### getMatchType

    public short getMatchType()

  Description copied from interface: `Pattern`
  DOCUMENT ME!

  Specified by:
    `getMatchType` in interface `Pattern`
  Returns:
    the type of node the pattern matches which by default should return ANY_NODE if it can match any kind of node.

### getMatchesNodeName

    public String getMatchesNodeName()

  Description copied from interface: `Pattern`
  For patterns which only match an ATTRIBUTE_NODE or an ELEMENT_NODE then this pattern may return the name of the element or attribute it matches. This allows a more efficient rule matching algorithm to be performed, rather than a brute force approach of evaluating every pattern for a given Node.

  Specified by:
    `getMatchesNodeName` in interface `Pattern`
  Returns:
    the name of the element or attribute this pattern matches or null if this pattern matches any or more than one name.

### setVariableContext

    public void setVariableContext(org.jaxen.VariableContext variableContext)

### toString

    public String toString()

### getContextSupport

    protected org.jaxen.ContextSupport getContextSupport()

### handleJaxenException

    protected void handleJaxenException(org.jaxen.JaxenException exception)
                                 throws XPathException

  Throws:
    `XPathException`

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