001: // $HeadURL: https://svn.wald.intevation.org/svn/deegree/base/trunk/src/org/deegree/portal/context/ViewContext.java $
002: /*---------------- FILE HEADER ------------------------------------------
003:
004: This file is part of deegree.
005: Copyright (C) 2001-2008 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: 10513 $
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)
074: throws ContextException {
075: super (general);
076: setLayerList(layerList);
077: }
078:
079: /**
080: * returns the list of layers contained in this context
081: *
082: * @return
083: */
084: public LayerList getLayerList() {
085: return layerList;
086: }
087:
088: /**
089: * sets the list of layers to be contained in this context
090: *
091: * @param layerList
092: *
093: * @throws ContextException
094: */
095: public void setLayerList(LayerList layerList)
096: throws ContextException {
097: if (layerList == null) {
098: throw new ContextException(
099: "layerList isn't allowed to be null");
100: }
101: this .layerList = layerList;
102: }
103:
104: /**
105: * The function obtains a copy from the view context
106: *
107: * @param user
108: * @param sessionID
109: * @return a clone vc
110: * @throws ParserConfigurationException
111: * @throws UnknownCRSException
112: * @throws IOException
113: * @throws XMLParsingException
114: * @throws ContextException
115: */
116: public ViewContext clone(User user, String sessionID)
117: throws ParserConfigurationException, UnknownCRSException,
118: IOException, XMLParsingException, ContextException {
119: XMLFragment xml = XMLFactory.export(this);
120: return WebMapContextFactory.createViewContext(xml, user,
121: sessionID);
122: }
123: }
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