filter_narity.java

来自「CmisJavaApi」· Java 代码 · 共 93 行

/*
 * The contents of this file are subject to the Dyade Public License, 
 * as defined by the file DYADE_PUBLIC_LICENSE.TXT
 *
 * You may not use this file except in compliance with the License. You may
 * obtain a copy of the License on the Dyade web site (www.dyade.fr).
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific terms governing rights and limitations under the License.
 *
 * The Original Code is CmisJava API, including the java package 
 * fr.dyade.cmis, released September 5, 2000.
 *
 * The Initial Developer of the Original Code is Dyade. The Original Code and
 * portions created by Dyade are Copyright Bull and Copyright INRIA. 
 * All Rights Reserved.
 */

/*      Copyright 1996-2000 by Institut National de Recherche en Informatique 
 *                             et en Automatique (INRIA)
 *          All rights reserved.  See COPYRIGHT in top-level directory.
 *
 *      Authors: Laurent Andrey, Eric Dillon, Olivier Festor
 */

//  $Id: Filter_Narity.java,v 1.2 2000/09/05 13:30:42 festor Exp $
//  $Source: /local/resedas/CVS-Repository/CmisJavaApi/src/fr/dyade/cmis/api/types/Filter_Narity.java,v $
//
//  Todo
//

package fr.dyade.cmis.api.types;

import java.util.Vector;
import java.util.Enumeration;
/** Java implementation of the ASN1 filter "AND" or "OR"
  * This java type does not exactly match to one ASN1 type.
  * Filter is the ASN1 type. Filter_Narity is just 
  * a factorization to implement Filter_AND and Filter_OR.
  * @see fr.dyade.cmis.api.types.Filter_AND
  * @see fr.dyade.cmis.api.types.Filter_OR
  * @version cvs $Id: Filter_Narity.java,v 1.2 2000/09/05 13:30:42 festor Exp $
    */
abstract  class Filter_Narity extends Filter {
      protected Filter_Narity() {
	 super();
      }
      protected Filter_Narity( short pCode, Filter p1, Filter p2 ) {
	 super();
	 fFilters.addElement(p1);
	 fFilters.addElement(p2);
      }
      protected Filter_Narity( short pCode, Filter p1, Filter p2, Filter p3 ) {
	 super();
	 fFilters.addElement(p1);
	 fFilters.addElement(p2);
	 fFilters.addElement(p3);
      }
      public final Enumeration getFilters() {
	 return fFilters.elements();
      }
      public final void add(Filter p) {
	 fFilters.addElement(p);
      }
      public final void setFilters( Vector pFilters ) {
	 fFilters=pFilters;
      }
      public String toString() {
	 String res;
	 switch (getCode()) {
	    case FILTER_AND_CODE:
	       res= "[AND ";
	       break;
	    case FILTER_OR_CODE:
	       res="[OR ";
	       break;
	    default:
	       res="Bad N arity filter code ";
	       break;
	 }
	 for (Enumeration e=fFilters.elements(); e.hasMoreElements(); ) {
	    res += e.nextElement().toString();
	    if (e.hasMoreElements()) {
	       res+= "; ";
	    }
	 }
	 return res+"]";
      }
      // default capacity for a binary operator. Good idea ?
      private Vector fFilters=new Vector(2);
}