001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_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 }