Package org.apache.tika.sax.xpath

Class XPathParser

java.lang.Object

org.apache.tika.sax.xpath.XPathParser

public class XPathParser
extends Object

Parser for a very simple XPath subset. Only the following XPath constructs (with namespaces) are supported:

• .../node()
• .../text()
• .../@*
• .../@name
• .../*...
• .../name...
• ...//*...
• ...//name...

In addition the non-abbreviated .../descendant::node() construct can be used for cases where the descendant-or-self axis used by the ...//node() construct is not appropriate.

Constructor Summary

Constructors

Constructor	Description
XPathParser()
XPathParser(String prefix, String namespace)

Method Summary

Modifier and Type	Method	Description
void	addPrefix(String prefix, String namespace)
Matcher	parse(String xpath)	Parses the given simple XPath expression to an evaluation state initialized at the document node.

Methods inherited from class java.lang.Object

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

Constructor Details

XPathParser

public XPathParser()

XPathParser

public XPathParser(String prefix,
 String namespace)

Method Details

addPrefix

public void addPrefix(String prefix,
 String namespace)

parse

public Matcher parse(String xpath)

Parses the given simple XPath expression to an evaluation state initialized at the document node. Invalid expressions are not flagged as errors, they just result in a failing evaluation state.

Parameters:

xpath - simple XPath expression

Returns:

XPath evaluation state