001 // $HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/portal/context/ViewContext.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2007 by:
006 EXSE, 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 53115 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.context;
045
046 import java.io.IOException;
047
048 import javax.xml.parsers.ParserConfigurationException;
049
050 import org.deegree.framework.xml.XMLFragment;
051 import org.deegree.framework.xml.XMLParsingException;
052 import org.deegree.model.crs.UnknownCRSException;
053 import org.deegree.security.drm.model.User;
054 import org.xml.sax.SAXException;
055
056 /**
057 * is the root class of the Web Map Context
058 *
059 * @version $Revision: 7682 $
060 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
061 */
062 public class ViewContext extends AbstractContext {
063 private LayerList layerList = null;
064
065 /**
066 * Creates a new WebMapContext object.
067 *
068 * @param general
069 * general informations about the map context and its creator
070 * @param layerList
071 * layers contained in the web map context
072 */
073 public ViewContext( General general, LayerList layerList ) throws ContextException {
074 super( general );
075 setLayerList( layerList );
076 }
077
078 /**
079 * returns the list of layers contained in this context
080 *
081 * @return
082 */
083 public LayerList getLayerList() {
084 return layerList;
085 }
086
087 /**
088 * sets the list of layers to be contained in this context
089 *
090 * @param layerList
091 *
092 * @throws ContextException
093 */
094 public void setLayerList( LayerList layerList )
095 throws ContextException {
096 if ( layerList == null ) {
097 throw new ContextException( "layerList isn't allowed to be null" );
098 }
099 this.layerList = layerList;
100 }
101
102 /**
103 * The function obtains a copy from the view context
104 *
105 * @param user
106 * @param sessionID
107 * @return a clone vc
108 * @throws ParserConfigurationException
109 * @throws UnknownCRSException
110 * @throws IOException
111 * @throws XMLParsingException
112 * @throws ContextException
113 * @throws SAXException
114 */
115 public ViewContext clone( User user, String sessionID )
116 throws ParserConfigurationException, UnknownCRSException, IOException, XMLParsingException,
117 ContextException, SAXException {
118 XMLFragment xml = XMLFactory.export( this );
119 return WebMapContextFactory.createViewContext( xml, user, sessionID );
120 }
121 }