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;
}
}