Package com.metreeca.xml.actions

Class XPath<R>

java.lang.Object

com.metreeca.xml.actions.XPath<R>

Type Parameters:

R - the type of the value returned by the processing action

All Implemented Interfaces:

Function<Node,R>

public final class XPath<R>
extends Object
implements Function<Node,R>

XPath-based XML node processing.

Maps XML nodes to values produced by a function taking as argument a node-targeted XPath processor.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	XPath.Processor	XPath processor.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DefaultPrefix	The prefix mapped to the default namespace of the target document ("_").

Constructor Summary

Constructors

Constructor	Description
XPath(Function<XPath.Processor,R> query)	Creates an XPath-based node processing action.

Method Summary

Modifier and Type	Method	Description
R	apply(Node node)
static String	decode(CharSequence text)	Decodes XML numeric entities.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Function

andThen, compose

Field Details

DefaultPrefix

public static final String DefaultPrefix

The prefix mapped to the default namespace of the target document ("_").

See Also:

• Constant Field Values

Constructor Details

XPath

public XPath(Function<XPath.Processor,R> query)

Creates an XPath-based node processing action.

Parameters:

query - a function taking as argument a processor and returning a value

Throws:

NullPointerException - if query is null

Method Details

decode

public static String decode(CharSequence text)

Decodes XML numeric entities.

Parameters:

text - the text to be decoded

Returns:

a version of text where XML numeric entities (for instance ’ or “) are replaced with the corresponding Unicode characters

Throws:

NullPointerException - if text is null

apply

public R apply(Node node)

Specified by:

apply in interface Function<Node,R>