/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
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* ====================================================================
*
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*/
package org.jbpm.jpdl.el.impl;
import org.jbpm.jpdl.el.ELException;
import org.jbpm.jpdl.el.FunctionMapper;
import org.jbpm.jpdl.el.VariableResolver;
/**
*
* <p>Represents an operator that obtains the value of another value's
* property. This is a specialization of ArraySuffix - a.b is
* equivalent to a["b"]
*
* @author Nathan Abramson - Art Technology Group
* @author Shawn Bayern
* @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author$
**/
public class PropertySuffix
extends ArraySuffix
{
//-------------------------------------
// Properties
//-------------------------------------
// property name
String mName;
public String getName ()
{ return mName; }
public void setName (String pName)
{ mName = pName; }
//-------------------------------------
/**
*
* Constructor
**/
public PropertySuffix (String pName)
{
super (null);
mName = pName;
}
//-------------------------------------
/**
*
* Gets the value of the index
**/
Object evaluateIndex (VariableResolver pResolver,
FunctionMapper functions,
Logger pLogger)
throws ELException
{
return mName;
}
//-------------------------------------
/**
*
* Returns the operator symbol
**/
String getOperatorSymbol ()
{
return ".";
}
//-------------------------------------
// ValueSuffix methods
//-------------------------------------
/**
*
* Returns the expression in the expression language syntax
**/
public String getExpressionString ()
{
return "." + StringLiteral.toIdentifierToken (mName);
}
//-------------------------------------
}