org.apache.xpath.functions

Class FuncExtElementAvailable

Implemented Interfaces:
ExpressionNode, ExpressionOwner, java.io.Serializable, SourceLocator, XPathVisitable

public class FuncExtElementAvailable
extends FunctionOneArg

Execute the ExtElementAvailable() function.
See Also:
Serialized Form

Method Summary

XObject
execute(XPathContext xctxt)
Execute the function.

Methods inherited from class org.apache.xpath.functions.FunctionOneArg

callArgVisitors, canTraverseOutsideSubtree, checkNumberArgs, deepEquals, fixupVariables, getArg0, getExpression, setArg, setExpression

Methods inherited from class org.apache.xpath.functions.Function

callArgVisitors, callVisitors, checkNumberArgs, deepEquals, execute, postCompileStep, setArg

Methods inherited from class org.apache.xpath.Expression

asIterator, asIteratorRaw, asNode, assertion, bool, canTraverseOutsideSubtree, deepEquals, error, execute, execute, execute, execute, executeCharsToContentHandler, exprAddChild, exprGetChild, exprGetNumChildren, exprGetParent, exprSetParent, fixupVariables, getColumnNumber, getExpressionOwner, getLineNumber, getPublicId, getSystemId, isNodesetExpr, isStableNumber, num, warn, xstr

Method Details

execute

public XObject execute(XPathContext xctxt)
            throws javax.xml.transform.TransformerException
Execute the function. The function must return a valid object.
Overrides:
execute in interface Function
Parameters:
xctxt - The current execution context.
Returns:
A valid XObject.

Copyright B) 2005 Apache XML Project. All Rights Reserved.