org.exolab.adaptx.xpath.functions

Class StringFunctionCall

java.lang.Object

org.exolab.adaptx.xpath.expressions.PrimaryExpr

org.exolab.adaptx.xpath.expressions.FunctionCall

org.exolab.adaptx.xpath.functions.FunctionCallImpl

org.exolab.adaptx.xpath.functions.StringFunctionCall

All Implemented Interfaces:

Parameters, XPathExpression

public class StringFunctionCall
extends FunctionCallImpl

A implementation of the "string()" function call

Version:

$Revision: 4093 $

Author:

Keith Visco

Field Summary

Fields inherited from class org.exolab.adaptx.xpath.functions.FunctionCallImpl

INVALID_NUMBER_PARAMS, INVALID_RESULT

Fields inherited from class org.exolab.adaptx.xpath.expressions.PrimaryExpr

EXPR, FUNCTION_CALL, LITERAL, NUMBER, VARIABLE_REFERENCE

Fields inherited from interface org.exolab.adaptx.xpath.XPathExpression

BOOLEAN, ERROR, FILTER_EXPR, LOCATION_PATH, NODE_TEST, PATH_EXPR, PRIMARY, STEP, STRING, UNION_EXPR

Constructor Summary

Constructors

Constructor and Description
StringFunctionCall() Creates a new String FunctionCall

Method Summary

Modifier and Type	Method and Description
XPathResult	evaluate(XPathContext context) Evaluates the expression and returns the XPath result.

Methods inherited from class org.exolab.adaptx.xpath.functions.FunctionCallImpl

addParameter, getFunctionName, getParameter, getParameterCount, toString

Methods inherited from class org.exolab.adaptx.xpath.expressions.PrimaryExpr

getExprType, getType

Methods inherited from class java.lang.Object

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

Constructor Detail

StringFunctionCall

public StringFunctionCall()

Creates a new String FunctionCall

Method Detail

evaluate

public XPathResult evaluate(XPathContext context)
                     throws XPathException

Evaluates the expression and returns the XPath result.

Parameters:

context - The XPathContext to use during evaluation.

Returns:

The XPathResult (not null).

Throws:

XPathException - if an error occured while evaluating this expression.