org.exolab.adaptx.xpath

Class XPathParser

java.lang.Object

org.exolab.adaptx.xpath.XPathParser

public final class XPathParser
extends java.lang.Object

The XPath parser. Provides functionality for creating an XPathExpression from a given string representation.

Version:

$Revision: 3633 $

Author:

Keith Visco, Assaf Arkin

Constructor Summary

Constructors

Constructor and Description
XPathParser() Default constructor

Method Summary

Methods

Modifier and Type	Method and Description
XPathExpression	createExpression(java.lang.String xpath) Creates an XPath expression from the given String
XPathExpression	createSelectExpression(java.lang.String xpath) Creates an XPath expression that will evaluate to a NodeSet.
static XPathParser	newInstance()
void	setUseErrorExpr(boolean useErrorExpr) Enables the use of an error expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

XPathParser

public XPathParser()

Default constructor

Method Detail

createExpression

public XPathExpression createExpression(java.lang.String xpath)
                                 throws XPathException

Creates an XPath expression from the given String

Parameters:

xpath - the String to create the expression from

Throws:

XPathException

createSelectExpression

public XPathExpression createSelectExpression(java.lang.String xpath)
                                       throws XPathException

Creates an XPath expression that will evaluate to a NodeSet.

Parameters:

xpath - the String to create the select expression from.

Returns:

the new expression

Throws:

XPathException

newInstance

public static XPathParser newInstance()

setUseErrorExpr

public void setUseErrorExpr(boolean useErrorExpr)

Enables the use of an error expression. This allows suppressing syntax errors until the expression is actually evaluated. By default, an XPathException will be thrown.

Parameters:

useErrorExpr - a boolean that when true will return an ErrorExpr instead of throwing an XPathException