AbsFunction (Apache FOP 2.8 API)

java.lang.Object

org.apache.fop.fo.expr.FunctionBase

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

Constructors

Constructor

Description

AbsFunction()
Method Summary

Modifier and Type

Method

Description

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 Details
- AbsFunction
  
  public AbsFunction()
Method Details
- 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