fop 1.1

org.apache.fop.fo.expr
Class AbsFunction

java.lang.Object
  extended by org.apache.fop.fo.expr.FunctionBase
      extended by org.apache.fop.fo.expr.AbsFunction
All Implemented Interfaces:
Function

public class AbsFunction
extends FunctionBase

Class modelling the abs Number Function. See Sec. 5.10.1 of the XSL-FO spec.


Constructor Summary
AbsFunction()
           
 
Method Summary
 Property eval(Property[] args, PropertyInfo propInfo)
          Evaluate the function
 int getRequiredArgsCount()
          
 
Methods inherited from class org.apache.fop.fo.expr.FunctionBase
getOptionalArgDefault, getOptionalArgsCount, getPercentBase, getPropertyName, hasVariableArgs
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

AbsFunction

public AbsFunction()
Method Detail

getRequiredArgsCount

public int getRequiredArgsCount()

Returns:
the number of required (non-optional) arguments that must be specified in the argument list

eval

public Property eval(Property[] args,
                     PropertyInfo propInfo)
              throws PropertyException
Evaluate the function

Parameters:
args - an array of Properties that should be evaluated
propInfo - property information instance that applies to property being evaluated
Returns:
the Property satisfying the function
Throws:
PropertyException - for problems when evaluating the function

fop 1.1

Copyright 1999-2012 The Apache Software Foundation. All Rights Reserved.