org.xmlunit.xpath

Interface XPathEngine

All Known Implementing Classes:

JAXPXPathEngine

public interface XPathEngine

Interface for XMLUnit's XPath abstraction.

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.

Method Detail

selectNodes

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

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

Parameters:

xPath - the XPath expression

s - the XML source to apply the expression to

Returns:

matching nodes

evaluate

String evaluate(String xPath,
                Source s)

Evaluates an XPath expression and stringifies the result.

Parameters:

xPath - the XPath expression

s - the XML source to apply the expression to

Returns:

stringified result

selectNodes

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

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

Parameters:

xPath - the XPath expression

n - the XML source to apply the expression to

Returns:

matching nodes

evaluate

String evaluate(String xPath,
                Node n)

Evaluates an XPath expression and stringifies the result.

Parameters:

xPath - the XPath expression

n - the XML source to apply the expression to

Returns:

stringified result

setNamespaceContext

void setNamespaceContext(Map<String,String> prefix2Uri)

Establish a namespace context.

Parameters:

prefix2Uri - maps from prefix to namespace URI.