001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/portal/context/MapModelDocument.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 package org.deegree.portal.context;
037
038 import java.util.ArrayList;
039 import java.util.List;
040
041 import org.deegree.framework.xml.NamespaceContext;
042 import org.deegree.framework.xml.XMLFragment;
043 import org.deegree.framework.xml.XMLParsingException;
044 import org.deegree.framework.xml.XMLTools;
045 import org.deegree.ogcbase.CommonNamespaces;
046 import org.w3c.dom.Element;
047
048 /**
049 * TODO add class documentation here
050 *
051 * @author <a href="mailto:name@deegree.org">Andreas Poth</a>
052 * @author last edited by: $Author: apoth $
053 *
054 * @version $Revision: 20771 $, $Date: 2009-11-12 18:37:45 +0100 (Do, 12. Nov 2009) $
055 */
056 class MapModelDocument extends XMLFragment {
057
058 private static final long serialVersionUID = -248476317451177157L;
059
060 private static NamespaceContext nsContext = CommonNamespaces.getNamespaceContext();
061
062 /**
063 *
064 * @param root
065 */
066 MapModelDocument( Element root ) {
067 super( root );
068 }
069
070 /**
071 *
072 * @return MapModel including hierarchyly arranged layers and layer groups
073 * @throws XMLParsingException
074 */
075 MapModel parseMapModel()
076 throws XMLParsingException {
077 MapModel mapModel = new MapModel();
078 List<LayerGroup> layerGroups = new ArrayList<LayerGroup>();
079 List<Element> elements = XMLTools.getElements( getRootElement(), "./dgcntxt:LayerGroup", nsContext );
080 for ( Element element : elements ) {
081 String identifier = XMLTools.getRequiredNodeAsString( element, "./@identifier", nsContext );
082 String title = XMLTools.getRequiredNodeAsString( element, "./@title", nsContext );
083 String tmp = XMLTools.getNodeAsString( element, "./@hidden", nsContext, "false" );
084 boolean hidden = "true".equals( tmp ) || "1".equals( tmp );
085 tmp = XMLTools.getNodeAsString( element, "./@expanded", nsContext, "false" );
086 boolean expanded = "true".equals( tmp ) || "1".equals( tmp );
087 LayerGroup layerGroup = new LayerGroup( identifier, title, hidden, expanded, null, mapModel );
088 layerGroups.add( layerGroup );
089 appendMapModelEntries( element, layerGroup, mapModel );
090 }
091 mapModel.setLayerGroups( layerGroups );
092
093 return mapModel;
094 }
095
096 /**
097 * @param lgElement
098 * @param layerGroup
099 * @param mapModel
100 * @throws XMLParsingException
101 */
102 private void appendMapModelEntries( Element lgElement, LayerGroup layerGroup, MapModel mapModel )
103 throws XMLParsingException {
104 List<Element> elements = XMLTools.getElements( lgElement, "./dgcntxt:LayerGroup | ./dgcntxt:Layer", nsContext );
105 for ( Element element : elements ) {
106 if ( element.getLocalName().equals( "Layer" ) ) {
107 String layerId = XMLTools.getRequiredNodeAsString( element, "./@layerId", nsContext );
108 layerGroup.addLayer( new MMLayer( layerId, layerGroup, mapModel, null ) );
109 } else {
110 String tmp = XMLTools.getNodeAsString( element, "./@hidden", nsContext, "false" );
111 boolean hidden = "true".equals( tmp ) || "1".equals( tmp );
112 tmp = XMLTools.getNodeAsString( element, "./@expanded", nsContext, "false" );
113 boolean expanded = "true".equals( tmp ) || "1".equals( tmp );
114 String title = XMLTools.getRequiredNodeAsString( element, "./@title", nsContext );
115 String identifier = XMLTools.getRequiredNodeAsString( element, "./@identifier", nsContext );
116 LayerGroup lg = new LayerGroup( identifier, title, hidden, expanded, layerGroup, mapModel );
117 layerGroup.addLayerGroup( lg );
118 appendMapModelEntries( element, lg, mapModel );
119 }
120 }
121
122 }
123 }