001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/portal/standard/csw/model/ShoppingCart.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2008 by:
006     Department of Geography, University of Bonn
007     http://www.giub.uni-bonn.de/deegree/
008     lat/lon GmbH
009     http://www.lat-lon.de 
010    
011     This library is free software; you can redistribute it and/or
012     modify it under the terms of the GNU Lesser General Public
013     License as published by the Free Software Foundation; either
014     version 2.1 of the License, or (at your option) any later version.
015    
016     This library is distributed in the hope that it will be useful,
017     but WITHOUT ANY WARRANTY; without even the implied warranty of
018     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019     Lesser General Public License for more details.
020    
021     You should have received a copy of the GNU Lesser General Public
022     License along with this library; if not, write to the Free Software
023     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024    
025     Contact:
026    
027     Andreas Poth
028     lat/lon GmbH
029     Aennchenstr. 19
030     53177 Bonn
031     Germany
032     E-Mail: poth@lat-lon.de
033    
034     Prof. Dr. Klaus Greve
035     Department of Geography
036     University of Bonn
037     Meckenheimer Allee 166
038     53115 Bonn
039     Germany
040     E-Mail: greve@giub.uni-bonn.de
041     
042     ---------------------------------------------------------------------------*/
043    
044    package org.deegree.portal.standard.csw.model;
045    
046    import java.util.ArrayList;
047    import java.util.List;
048    
049    /**
050     * A <code>${type_name}</code> class.<br/> TODO class description
051     * 
052     * @author <a href="mailto:mays@lat-lon.de">Judit Mays</a>
053     * @author last edited by: $Author: apoth $
054     * 
055     * @version $Revision: 9346 $, $Date: 2007-12-27 17:39:07 +0100 (Do, 27 Dez 2007) $
056     */
057    public class ShoppingCart {
058    
059        /**
060         * A List of SessionRecord elements.
061         */
062        private List<SessionRecord> contents;
063    
064        /**
065         * 
066         * 
067         */
068        public ShoppingCart() {
069            this.contents = new ArrayList<SessionRecord>( 10 );
070        }
071    
072        /**
073         * @param contents
074         *            A List of SessionRecord elements.
075         */
076        public ShoppingCart( List contents ) {
077            this();
078            setContents( contents );
079        }
080    
081        /**
082         * @param sr
083         *            A SessionRecord to add to the ShoppingCart contents. Cannot be null.
084         */
085        public void add( SessionRecord sr ) {
086            if ( sr == null ) {
087                throw new NullPointerException( "Session record cannot be null" );
088            }
089            if ( !this.contents.contains( sr ) ) {
090                this.contents.add( sr );
091            }
092        }
093    
094        /**
095         * @param sr
096         */
097        public void remove( SessionRecord sr ) {
098            this.contents.remove( sr );
099        }
100    
101        /**
102         * @param sessionRecords
103         */
104        public void removeAll( List sessionRecords ) {
105            this.contents.removeAll( sessionRecords );
106        }
107    
108        /**
109         * 
110         */
111        public void clear() {
112            this.contents.clear();
113        }
114    
115        /**
116         * @return Returns the contents of the ShoppingCart.
117         */
118        public List getContents() {
119            return contents;
120        }
121    
122        /**
123         * @param contents
124         *            The contents to set.
125         * @throws RuntimeException
126         *             if the passed List contains elements other than SessionRecord.
127         */
128        public void setContents( List contents ) {
129    
130            for ( int i = 0; i < contents.size(); i++ ) {
131                if ( contents.get( i ) instanceof SessionRecord ) {
132                    add( (SessionRecord) contents.get( i ) );
133                } else {
134                    throw new RuntimeException( "The list passed to the constructor contains elements "
135                                                + "that are not of the type SessionRecord." );
136                }
137            }
138    
139        }
140    
141    }