<?php
/*
 * $Id: AndCondition.php 43 2006-03-10 14:31:51Z mrook $
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information please see
 * <http://phing.info>.
 */

require_once 'phing/tasks/system/condition/ConditionBase.php';

/**
 *  <and> condition container.
 *
 *  Iterates over all conditions and returns false as soon as one
 *  evaluates to false.
 * 
 *  @author    Hans Lellelid <hans@xmpl.org>
 *  @author    Andreas Aderhold <andi@binarycloud.com>
 *  @copyright © 2001,2002 THYRELL. All rights reserved
 *  @version   $Revision: 1.7 $
 *  @package   phing.tasks.system.condition
 */
class AndCondition extends ConditionBase implements Condition {

    public function evaluate() {
        foreach($this as $c) { // ConditionBase implements IteratorAggregator
              if (!$c->evaluate()) {
                return false;
            }
        }
        return true;       
    }
}