org.trancecode.xml.saxon

Class SaxonPatternMatcher

java.lang.Object

org.trancecode.xml.saxon.SaxonPatternMatcher

All Implemented Interfaces:

com.google.common.base.Predicate<net.sf.saxon.s9api.XdmNode>

public class SaxonPatternMatcher
extends Object
implements com.google.common.base.Predicate<net.sf.saxon.s9api.XdmNode>

A utility class to evaluate an XSLT Match pattern against nodes.

The implementation is based on the s9api front-end to the Saxon pattern engine (see this saxon-help email thread for more information).

Author:

Romain Deltour, Herve Quiroz

See Also:

XPathCompiler.compilePattern(String)

Constructor Summary

Constructors

Constructor and Description
SaxonPatternMatcher(net.sf.saxon.s9api.Processor processor, String pattern) Creates a new matcher for the given XSLT match pattern.
SaxonPatternMatcher(net.sf.saxon.s9api.Processor processor, String pattern, net.sf.saxon.s9api.XdmNode namespaceContext) Creates a new matcher for the given XSLT match pattern.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	apply(net.sf.saxon.s9api.XdmNode node)
boolean	match(net.sf.saxon.s9api.XdmNode node) Evaluates the given node against the XSLT pattern held by this matcher.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.base.Predicate

equals

Constructor Detail

SaxonPatternMatcher

public SaxonPatternMatcher(net.sf.saxon.s9api.Processor processor,
                   String pattern)

Creates a new matcher for the given XSLT match pattern.

Parameters:

processor - The Saxon processor used to create the internal XPathCompiler

pattern - The XSLT pattern evaluated by this matcher

Throws:

NullPointerException - is processor or pattern is null

SaxonPatternMatcher

public SaxonPatternMatcher(net.sf.saxon.s9api.Processor processor,
                   String pattern,
                   @Nullable
                   net.sf.saxon.s9api.XdmNode namespaceContext)

Creates a new matcher for the given XSLT match pattern.

Parameters:

processor - The Saxon processor used to create the internal XPathCompiler

pattern - The XSLT pattern evaluated by this matcher

namespaceContext - A node from which to retrieve namespaces. values.

Throws:

NullPointerException - is processor or pattern is null

Method Detail

match

public boolean match(net.sf.saxon.s9api.XdmNode node)

Evaluates the given node against the XSLT pattern held by this matcher.

Returns:

true iff node matches the pattern.

Throws:

NullPointerException - is node is null

apply

public boolean apply(net.sf.saxon.s9api.XdmNode node)

Specified by:

apply in interface com.google.common.base.Predicate<net.sf.saxon.s9api.XdmNode>