org.apache.xalan.templates

Class FuncFormatNumb

Implemented Interfaces:
ExpressionNode, ExpressionOwner, Serializable, SourceLocator, XPathVisitable

public class FuncFormatNumb
extends Function3Args

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

Method Summary

void
checkNumberArgs(int argNum)
Overide the superclass method to allow one or two arguments.
XObject
execute(XPathContext xctxt)
Execute the function.
void
warn(XPathContext xctxt, String msg, args[] )
Warn the user of a problem.

Methods inherited from class org.apache.xpath.functions.Function3Args

callArgVisitors, canTraverseOutsideSubtree, checkNumberArgs, deepEquals, fixupVariables, getArg2, setArg

Methods inherited from class org.apache.xpath.functions.Function2Args

callArgVisitors, canTraverseOutsideSubtree, checkNumberArgs, deepEquals, fixupVariables, getArg1, setArg

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

checkNumberArgs

public void checkNumberArgs(int argNum)
            throws WrongNumberArgsException
Overide the superclass method to allow one or two arguments.
Overrides:
checkNumberArgs in interface Function3Args
Parameters:
argNum - Number of arguments passed in

execute

public XObject execute(XPathContext xctxt)
            throws 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.

warn

public void warn(XPathContext xctxt,
                 String msg,
                 args[] )
            throws TransformerException
Warn the user of a problem.
Parameters:
xctxt - The XPath runtime state.
msg - Warning message key

Copyright B) 2004 Apache XML Project. All Rights Reserved.