| gvSIG desktop 1

/*

 *    GeoTools - OpenSource mapping toolkit

 *    http://geotools.org

 *    (C) 2006, GeoTools Project Managment Committee (PMC)

 *    

 *    This library 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;

 *    version 2.1 of the License.

 *

 *    This library 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.

 */

package org.gvsig.data.vectorial.filter;

import java.util.Iterator;

import java.util.List;

import org.opengis.filter.And;

import org.opengis.filter.Filter;

import org.opengis.filter.FilterVisitor;

/**

 * Direct implementation of And filter.

 *

 * @author jdeolive

 * @author jcarrasco

 */

public class AndImpl implements And {

        /**

         * list of filters

         */

        List children;

        protected AndImpl(List children) {

                this.children = children;

        }

    public boolean evaluate( Object object ) {

        for (Iterator itr = children.iterator(); itr.hasNext();) {

            Filter filter = (Filter) itr.next();

            if( !filter.evaluate( object )) {

                return false; // short circuit

            }

        }

        return true;

    }

        public Object accept(FilterVisitor visitor, Object extraData) {

                return visitor.visit(this,extraData);

        }

        public List getChildren() {

                return children;

        }

}