/*
  Copyright (C) 2006 Helge Hess

  This file is part of JOPE.

  JOPE is free software; you can redistribute it and/or modify it under
  the terms of the GNU Lesser General Public License as published by the
  Free Software Foundation; either version 2, or (at your option) any
  later version.

  JOPE 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 Lesser General Public
  License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with JOPE; see the file COPYING.  If not, write to the
  Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/

package org.opengroupware.jope.eocontrol;

import java.util.List;

/*
 * EOAndQualifier
 * 
 * Syntax:
 *   qualifier AND qualifier AND qualifier
 *   firstname = 'Donald' AND lastname = 'Duck'
 * 
 * TODO: document
 */
public class EOAndQualifier extends EOCompoundQualifier
  implements EOQualifierEvaluation
{
  public EOAndQualifier(List<EOQualifier> _qs) {
    super(_qs);
  }  
  public EOAndQualifier(EOQualifier... _qs) {
    super(_qs);
  }
  
  /* subclass hooks */
  
  protected EOQualifier buildSimiliarQualifier(EOQualifier[] _qs) {
    return new EOAndQualifier(_qs);
  }
  
  /* evaluation */
  
  public boolean evaluateWithObject(Object _object) {
    for (int i = 0; i < this.qualifiers.length; i++) {
      EOQualifierEvaluation eval = (EOQualifierEvaluation)this.qualifiers[i];
      if (!eval.evaluateWithObject(_object))
        return false;
    }
    return true;
  }

  /* string representation */
  
  public String operatorAsString() {
    return "AND";
  }
}