org.exolab.adaptx.xpath.functions
Class TextFunctionCall

java.lang.Object
  extended by org.exolab.adaptx.xpath.expressions.PrimaryExpr
      extended by org.exolab.adaptx.xpath.expressions.FunctionCall
          extended by org.exolab.adaptx.xpath.functions.FunctionCallImpl
              extended by org.exolab.adaptx.xpath.functions.TextFunctionCall
All Implemented Interfaces:
Parameters, XPathExpression

public class TextFunctionCall
extends FunctionCallImpl

A class that represents the XPath text() function call. Actually "text()" is not technically a function it's a NodeTest, but I've implemented it as one since it looks like one!

Version:
$Revision: 3736 $ $Date: 2003-05-13 03:57:04 -0400 (Tue, 13 May 2003) $
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
TextFunctionCall()
          Creates a new TextFunctionCall
 
Method Summary
 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

TextFunctionCall

public TextFunctionCall()
Creates a new TextFunctionCall

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.