    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/portal/standard/csw/model/ShoppingCart.java $
    002    /*----------------------------------------------------------------------------
    003     This file is part of deegree, http://deegree.org/
    004     Copyright (C) 2001-2009 by:
    005       Department of Geography, University of Bonn
    006     and
    007       lat/lon GmbH
    008
    009     This library is free software; you can redistribute it and/or modify it under
    010     the terms of the GNU Lesser General Public License as published by the Free
    011     Software Foundation; either version 2.1 of the License, or (at your option)
    012     any later version.
    013     This library is distributed in the hope that it will be useful, but WITHOUT
    014     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    015     FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
    016     details.
    017     You should have received a copy of the GNU Lesser General Public License
    018     along with this library; if not, write to the Free Software Foundation, Inc.,
    019     59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
    020
    021     Contact information:
    022
    023     lat/lon GmbH
    024     Aennchenstr. 19, 53177 Bonn
    025     Germany
    026     http://lat-lon.de/
    027
    028     Department of Geography, University of Bonn
    029     Prof. Dr. Klaus Greve
    030     Postfach 1147, 53001 Bonn
    031     Germany
    032     http://www.geographie.uni-bonn.de/deegree/
    033
    034     e-mail: info@deegree.org
    035    ----------------------------------------------------------------------------*/
    036
    037    package org.deegree.portal.standard.csw.model;
    038
    039    import java.util.ArrayList;
    040    import java.util.List;
    041
    042    /**
    043     * A <code>${type_name}</code> class.<br/> TODO class description
    044     *
    045     * @author <a href="mailto:mays@lat-lon.de">Judit Mays</a>
    046     * @author last edited by: $Author: mschneider $
    047     *
    048     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
    049     */
    050    public class ShoppingCart {
    051
    052        /**
    053         * A List of SessionRecord elements.
    054         */
    055        private List<SessionRecord> contents;
    056
    057        /**
    058         *
    059         *
    060         */
    061        public ShoppingCart() {
    062            this.contents = new ArrayList<SessionRecord>( 10 );
    063        }
    064
    065        /**
    066         * @param contents
    067         *            A List of SessionRecord elements.
    068         */
    069        public ShoppingCart( List contents ) {
    070            this();
    071            setContents( contents );
    072        }
    073
    074        /**
    075         * @param sr
    076         *            A SessionRecord to add to the ShoppingCart contents. Cannot be null.
    077         */
    078        public void add( SessionRecord sr ) {
    079            if ( sr == null ) {
    080                throw new NullPointerException( "Session record cannot be null" );
    081            }
    082            if ( !this.contents.contains( sr ) ) {
    083                this.contents.add( sr );
    084            }
    085        }
    086
    087        /**
    088         * @param sr
    089         */
    090        public void remove( SessionRecord sr ) {
    091            this.contents.remove( sr );
    092        }
    093
    094        /**
    095         * @param sessionRecords
    096         */
    097        public void removeAll( List sessionRecords ) {
    098            this.contents.removeAll( sessionRecords );
    099        }
    100
    101        /**
    102         *
    103         */
    104        public void clear() {
    105            this.contents.clear();
    106        }
    107
    108        /**
    109         * @return Returns the contents of the ShoppingCart.
    110         */
    111        public List getContents() {
    112            return contents;
    113        }
    114
    115        /**
    116         * @param contents
    117         *            The contents to set.
    118         * @throws RuntimeException
    119         *             if the passed List contains elements other than SessionRecord.
    120         */
    121        public void setContents( List contents ) {
    122
    123            for ( int i = 0; i < contents.size(); i++ ) {
    124                if ( contents.get( i ) instanceof SessionRecord ) {
    125                    add( (SessionRecord) contents.get( i ) );
    126                } else {
    127                    throw new RuntimeException( "The list passed to the constructor contains elements "
    128                                                + "that are not of the type SessionRecord." );
    129                }
    130            }
    131
    132        }
    133
    134    }