001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/graphics/sld/Geometry.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.graphics.sld;
045    
046    import org.deegree.framework.xml.Marshallable;
047    import org.deegree.model.spatialschema.GMLGeometryAdapter;
048    import org.deegree.model.spatialschema.GeometryException;
049    import org.deegree.ogcbase.PropertyPath;
050    
051    /**
052     * The Geometry element is optional and if it is absent then the default geometry property of the
053     * feature type that is used in the containing FeatureStyleType is used. The precise meaning of
054     * default geometry property is system-dependent. Most frequently, feature types will have only a
055     * single geometry property.
056     * <p>
057     * ----------------------------------------------------------------------
058     * </p>
059     * 
060     * @author <a href="mailto:k.lupp@web.de">Katharina Lupp</a>
061     * @version $Revision: 9340 $ $Date: 2007-12-27 13:32:12 +0100 (Do, 27 Dez 2007) $
062     */
063    
064    public class Geometry implements Marshallable {
065    
066        private org.deegree.model.spatialschema.Geometry geometry = null;
067    
068        private PropertyPath propertyPath = null;
069    
070        Geometry( PropertyPath propertyPath, org.deegree.model.spatialschema.Geometry geometry ) {
071            this.propertyPath = propertyPath;
072            this.geometry = geometry;
073        }
074    
075        /**
076         * returns xpath information of the geometry property
077         * 
078         * @return xpath information of the geometry property
079         */
080        public PropertyPath getPropertyPath() {
081            return propertyPath;
082        }
083    
084        /**
085         * In principle, a fixed geometry could be defined using GML or operators could be defined for
086         * computing a geometry from references or literals. This enbales the calling client to submitt
087         * the geometry to be rendered by the WMS directly. (This is not part of the SLD XML-schema)
088         * 
089         * @return the Geometry
090         * 
091         */
092        public org.deegree.model.spatialschema.Geometry getGeometry() {
093            return geometry;
094        }
095    
096        /**
097         * exports the content of the Geometry as XML formated String
098         * 
099         * @return xml representation of the Geometry
100         */
101        public String exportAsXML() {
102    
103            StringBuffer sb = new StringBuffer( 1000 );
104            sb.append( "<Geometry>" );
105            if ( propertyPath != null ) {
106                sb.append( "<ogc:PropertyName>" ).append( propertyPath.toString() );
107                sb.append( "</ogc:PropertyName>" );
108            } else {
109                try {
110                    sb.append( GMLGeometryAdapter.export( geometry ) );
111                } catch ( GeometryException e ) {
112                    e.printStackTrace();
113                }
114            }
115    
116            sb.append( "</Geometry>" );
117    
118            return sb.toString();
119        }
120    }