/*
 * Copyright 1999 Sun Microsystems, Inc.  All Rights Reserved.
 * 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
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * 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.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */
/*
 * 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 BooleanAnd extends BinaryExpr
{
  protected BooleanAnd (Expression leftOperand, Expression rightOperand)
  {
    super ("&&", leftOperand, rightOperand);
  } // ctor

  public Object evaluate () throws EvaluationException
  {
    try
    {
      Object tmpL = left ().evaluate ();
      Object tmpR = right ().evaluate ();
      Boolean l;
      Boolean r;

      //daz   if (tmpL instanceof Number)
      //        l = new Boolean (((Number)tmpL).longValue () != 0);
      //      else
      //        l = (Boolean)tmpL;
      if (tmpL instanceof Number)
      {
        if (tmpL instanceof BigInteger)
          l = new Boolean (((BigInteger)tmpL).compareTo (BigInteger.valueOf (0)) != 0);
        else
          l = new Boolean (((Number)tmpL).longValue () != 0);
      }
      else
        l = (Boolean)tmpL;
      //daz   if (tmpR instanceof Number)
      //        r = new Boolean (((Number)tmpR).longValue () != 0);
      //      else
      //        r = (Boolean)tmpR;
      if (tmpR instanceof Number)
      {
        if (tmpR instanceof BigInteger)
          r = new Boolean (((BigInteger)tmpR).compareTo (zero) != 0);
        else
          r = new Boolean (((Number)tmpR).longValue () != 0);
      }
      else
        r = (Boolean)tmpR;

      value (new Boolean (l.booleanValue () && r.booleanValue ()));
    }
    catch (ClassCastException e)
    {
      String[] parameters = {Util.getMessage ("EvaluationException.booleanAnd"), left ().value ().getClass ().getName (), right ().value ().getClass ().getName ()};
      throw new EvaluationException (Util.getMessage ("EvaluationException.1", parameters));
    }
    return value ();
  } // evaluate
} // class BooleanAnd
