/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * particular file as subject to the "Classpath" exception as provided

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 */

/*

 * COMPONENT_NAME: idl.parser

 *

 * ORIGINS: 27

 *

 * Licensed Materials - Property of IBM

 * 5639-D57 (C) COPYRIGHT International Business Machines Corp. 1997, 1999

 * RMI-IIOP v1.0

 *

 */

package com.sun.tools.corba.se.idl.constExpr;

// NOTES:

import com.sun.tools.corba.se.idl.Util;

import java.math.BigInteger;

public class GreaterThan extends BinaryExpr

{

  protected GreaterThan (Expression leftOperand, Expression rightOperand)

  {

    super (">", leftOperand, rightOperand);

  } // ctor

  public Object evaluate () throws EvaluationException

  {

    try

    {

      Object left = left ().evaluate ();

      Object right = right ().evaluate ();

      if (left instanceof Boolean)

      {

        String[] parameters = {Util.getMessage ("EvaluationException.greaterThan"), left ().value ().getClass ().getName (), right ().value ().getClass ().getName ()};

        throw new EvaluationException (Util.getMessage ("EvaluationException.1", parameters));

      }

      else

      {

        Number l = (Number)left;

        Number r = (Number)right ().evaluate ();

        if (l instanceof Float || l instanceof Double || r instanceof Float || r instanceof Double)

          value (new Boolean (l.doubleValue () > r.doubleValue ()));

        else

          //daz          value (new Boolean (l.longValue () > r.longValue ()));

          value (new Boolean ( ((BigInteger)l).compareTo ((BigInteger)r) > 0));

      }

    }

    catch (ClassCastException e)

    {

      String[] parameters = {Util.getMessage ("EvaluationException.greaterThan"), left ().value ().getClass ().getName (), right ().value ().getClass ().getName ()};

      throw new EvaluationException (Util.getMessage ("EvaluationException.1", parameters));

    }

    return value ();

  } // evaluate

} // class GreaterThan