    001    // $HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/portal/context/ViewContext.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.context;
    038
    039    import java.io.IOException;
    040
    041    import javax.xml.parsers.ParserConfigurationException;
    042
    043    import org.deegree.framework.xml.XMLFragment;
    044    import org.deegree.framework.xml.XMLParsingException;
    045    import org.deegree.model.crs.UnknownCRSException;
    046    import org.deegree.security.drm.model.User;
    047
    048    /**
    049     * is the root class of the Web Map Context
    050     *
    051     * @version $Revision: 18195 $
    052     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
    053     */
    054    public class ViewContext extends AbstractContext {
    055        private LayerList layerList = null;
    056
    057        /**
    058         * Creates a new WebMapContext object.
    059         *
    060         * @param general
    061         *            general informations about the map context and its creator
    062         * @param layerList
    063         *            layers contained in the web map context
    064         * @throws ContextException when layerList is <code>null</code>
    065         */
    066        public ViewContext( General general, LayerList layerList ) throws ContextException {
    067            super( general );
    068            setLayerList( layerList );
    069        }
    070
    071        /**
    072         * returns the list of layers contained in this context
    073         *
    074         * @return all layers of this context
    075         */
    076        public LayerList getLayerList() {
    077            return layerList;
    078        }
    079
    080        /**
    081         * sets the list of layers to be contained in this context
    082         *
    083         * @param layerList
    084         *
    085         * @throws ContextException
    086         */
    087        public void setLayerList( LayerList layerList )
    088                                throws ContextException {
    089            if ( layerList == null ) {
    090                throw new ContextException( "layerList isn't allowed to be null" );
    091            }
    092            this.layerList = layerList;
    093        }
    094
    095        /**
    096         * The function obtains a copy from the view context
    097         *
    098         * @param user
    099         * @param sessionID
    100         * @return a clone vc
    101         * @throws ParserConfigurationException
    102         * @throws UnknownCRSException
    103         * @throws IOException
    104         * @throws XMLParsingException
    105         * @throws ContextException
    106         */
    107        public ViewContext clone( User user, String sessionID )
    108                                throws ParserConfigurationException, UnknownCRSException, IOException, XMLParsingException,
    109                                ContextException {
    110            XMLFragment xml = XMLFactory.export( this );
    111            return WebMapContextFactory.createViewContext( xml, user, sessionID );
    112        }
    113    }