001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/graphics/sld/Geometry.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.graphics.sld;
037
038 import java.util.List;
039
040 import org.deegree.framework.xml.Marshallable;
041 import org.deegree.model.spatialschema.GMLGeometryAdapter;
042 import org.deegree.model.spatialschema.GeometryException;
043 import org.deegree.ogcbase.PropertyPath;
044 import org.deegree.ogcbase.PropertyPathStep;
045
046 /**
047 * The Geometry element is optional and if it is absent then the default geometry property of the feature type that is
048 * used in the containing FeatureStyleType is used. The precise meaning of default geometry property is
049 * system-dependent. Most frequently, feature types will have only a single geometry property.
050 * <p>
051 * ----------------------------------------------------------------------
052 * </p>
053 *
054 * @author <a href="mailto:k.lupp@web.de">Katharina Lupp</a>
055 * @version $Revision: 18195 $ $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
056 */
057
058 public class Geometry implements Marshallable {
059
060 private org.deegree.model.spatialschema.Geometry geometry = null;
061
062 private PropertyPath propertyPath = null;
063
064 /**
065 * @param propertyPath
066 * @param geometry
067 */
068 public Geometry( PropertyPath propertyPath, org.deegree.model.spatialschema.Geometry geometry ) {
069 this.propertyPath = propertyPath;
070 this.geometry = geometry;
071 }
072
073 /**
074 * returns xpath information of the geometry property
075 *
076 * @return xpath information of the geometry property
077 */
078 public PropertyPath getPropertyPath() {
079 return propertyPath;
080 }
081
082 /**
083 * In principle, a fixed geometry could be defined using GML or operators could be defined for computing a geometry
084 * from references or literals. This enbales the calling client to submitt the geometry to be rendered by the WMS
085 * directly. (This is not part of the SLD XML-schema)
086 *
087 * @return the Geometry
088 *
089 */
090 public org.deegree.model.spatialschema.Geometry getGeometry() {
091 return geometry;
092 }
093
094 /**
095 * exports the content of the Geometry as XML formated String
096 *
097 * @return xml representation of the Geometry
098 */
099 public String exportAsXML() {
100
101 StringBuffer sb = new StringBuffer( 1000 );
102 sb.append( "<Geometry>" );
103 if ( propertyPath != null ) {
104 int c = propertyPath.getSteps();
105 List<PropertyPathStep> list = propertyPath.getAllSteps();
106 sb.append( "<ogc:PropertyName" );
107 for ( int i = 0; i < c; i++ ) {
108 sb.append( " xmlns:" ).append( list.get( i ).getPropertyName().getPrefix() );
109 sb.append( "='" ).append( list.get( i ).getPropertyName().getNamespace().toASCIIString() );
110 sb.append( "'" );
111 }
112 sb.append( ">" );
113 sb.append( propertyPath.getAsString() );
114 sb.append( "</ogc:PropertyName>" );
115 } else {
116 try {
117 sb.append( GMLGeometryAdapter.export( geometry ) );
118 } catch ( GeometryException e ) {
119 e.printStackTrace();
120 }
121 }
122
123 sb.append( "</Geometry>" );
124
125 return sb.toString();
126 }
127 }