package org.gudy.azureus2.core3.predicate; /* * Created on 5-Mar-2005 * Created by James Yeh * Copyright (C) 2004-2005 Aelitis, All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * This program 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 for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * AELITIS, SAS au capital de 46,603.30 euros * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France. * */ import java.util.List; import java.util.Iterator; import java.util.Arrays; /** * <p> * AllPredicate is a composite of Predicables. Upon evaluation, True will only be returned * if all of the decorated Predicables evaluate to True. * </p> * @version 1.0 * @author James Yeh */ public final class AllPredicate implements Predicable { private List predicableList; /** * Creates an AllPredicate * @param predicableList A list of Predicables */ public AllPredicate(List predicableList) { this.predicableList = predicableList; } /** * Creates an AllPredicate * @param predicates An array of Predicables */ public AllPredicate(Predicable[] predicables) { this(Arrays.asList(predicables)); } /** * Evaluates an object and returns True if all of the pre-supplied conditions are met * @param obj An object * @return True if all conditions are met */ public boolean evaluate(Object obj) { final Iterator iter = predicableList.iterator(); for(int i = 0; i < predicableList.size(); i++) { if(!((Predicable)iter.next()).evaluate(obj)) return false; } return true; } }