    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_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: 25848 $ $Date: 2010-08-11 17:50:39 +0200 (Mi, 11. Aug 2010) $
    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                    if ( list.get( i ).getPropertyName().getNamespace() != null ) {
    109                        sb.append( " xmlns:" ).append( list.get( i ).getPropertyName().getPrefix() );
    110                        sb.append( "='" ).append( list.get( i ).getPropertyName().getNamespace().toASCIIString() );
    111                        sb.append( "'" );
    112                    }
    113                }
    114                sb.append( ">" );
    115                sb.append( propertyPath.getAsString() );
    116                sb.append( "</ogc:PropertyName>" );
    117            } else {
    118                try {
    119                    sb.append( GMLGeometryAdapter.export( geometry ) );
    120                } catch ( GeometryException e ) {
    121                    e.printStackTrace();
    122                }
    123            }
    124
    125            sb.append( "</Geometry>" );
    126
    127            return sb.toString();
    128        }
    129    }