org.jaxen.expr.DefaultEqualsExpr Maven / Gradle / Ivy
/*
* $Header$
* $Revision$
* $Date$
*
* ====================================================================
*
* Copyright 2000-2002 bob mcwhirter & James Strachan.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
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* * Redistributions of source code must retain the above copyright
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* contributors may be used to endorse or promote products derived
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* ====================================================================
* This software consists of voluntary contributions made by many
* individuals on behalf of the Jaxen Project and was originally
* created by bob mcwhirter and
* James Strachan . For more information on the
* Jaxen Project, please see .
*
* $Id$
*/
package org.jaxen.expr;
class DefaultEqualsExpr extends DefaultEqualityExpr {
/**
*
*/
private static final long serialVersionUID = -8327599812627931648L;
DefaultEqualsExpr( Expr lhs, Expr rhs )
{
super( lhs, rhs );
}
public String getOperator()
{
return "=";
}
public String toString()
{
return "[(DefaultEqualsExpr): " + getLHS() + ", " + getRHS() + "]";
}
protected boolean evaluateObjectObject( Object lhs, Object rhs )
{
if( eitherIsNumber( lhs, rhs ) )
{
// Double.equals does not implement standard IEEE 754 comparisons but == does
Double left = (Double) lhs;
Double right = (Double) rhs;
return left.doubleValue() == right.doubleValue();
}
return lhs.equals( rhs );
}
}