org.xmlunit.xpath

Class JAXPXPathEngine

java.lang.Object

org.xmlunit.xpath.JAXPXPathEngine

All Implemented Interfaces:

XPathEngine

public class JAXPXPathEngine
extends Object
implements XPathEngine

Simplified access to JAXP's XPath API.

Constructor Summary

Constructors

Constructor and Description
JAXPXPathEngine() Create an XPathEngine that uses JAXP's default XPathFactory with XPathFactoryConfigurer.Default applied under the covers.
JAXPXPathEngine(XPathFactory fac) Create an XPathEngine that uses a custom XPathFactory.

Method Summary

Modifier and Type	Method and Description
String	evaluate(String xPath, Node n) Evaluates an XPath expression and stringifies the result.
String	evaluate(String xPath, Source s) Evaluates an XPath expression and stringifies the result.
Iterable<Node>	selectNodes(String xPath, Node n) Returns a potentially empty collection of Nodes matching an XPath expression.
Iterable<Node>	selectNodes(String xPath, Source s) Returns a potentially empty collection of Nodes matching an XPath expression.
void	setNamespaceContext(Map<String,String> prefix2Uri) Establish a namespace context.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JAXPXPathEngine

public JAXPXPathEngine(XPathFactory fac)

Create an XPathEngine that uses a custom XPathFactory.

Parameters:

fac - the factory to use

JAXPXPathEngine

public JAXPXPathEngine()

Create an XPathEngine that uses JAXP's default XPathFactory with XPathFactoryConfigurer.Default applied under the covers.

Method Detail

selectNodes

public Iterable<Node> selectNodes(String xPath,
                                  Source s)

Returns a potentially empty collection of Nodes matching an XPath expression.

Specified by:

selectNodes in interface XPathEngine

Parameters:

xPath - the XPath expression

s - the XML source to apply the expression to

Returns:

matching nodes

evaluate

public String evaluate(String xPath,
                       Source s)

Evaluates an XPath expression and stringifies the result.

Specified by:

evaluate in interface XPathEngine

Parameters:

xPath - the XPath expression

s - the XML source to apply the expression to

Returns:

stringified result

selectNodes

public Iterable<Node> selectNodes(String xPath,
                                  Node n)

Returns a potentially empty collection of Nodes matching an XPath expression.

Specified by:

selectNodes in interface XPathEngine

Parameters:

xPath - the XPath expression

n - the XML source to apply the expression to

Returns:

matching nodes

evaluate

public String evaluate(String xPath,
                       Node n)

Evaluates an XPath expression and stringifies the result.

Specified by:

evaluate in interface XPathEngine

Parameters:

xPath - the XPath expression

n - the XML source to apply the expression to

Returns:

stringified result

setNamespaceContext

public void setNamespaceContext(Map<String,String> prefix2Uri)

Establish a namespace context.

Specified by:

setNamespaceContext in interface XPathEngine

Parameters:

prefix2Uri - maps from prefix to namespace URI.