001 //$HeadURL: $
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
037 package org.deegree.ogcwebservices.wcts.data;
038
039 import java.util.ArrayList;
040 import java.util.List;
041
042 import org.deegree.crs.transformations.Transformation;
043 import org.deegree.framework.log.ILogger;
044 import org.deegree.framework.log.LoggerFactory;
045 import org.deegree.i18n.Messages;
046 import org.deegree.model.crs.CRSFactory;
047 import org.deegree.model.crs.CRSTransformationException;
048 import org.deegree.model.crs.CoordinateSystem;
049 import org.deegree.model.crs.GeoTransformer;
050 import org.deegree.model.spatialschema.Geometry;
051 import org.deegree.model.spatialschema.GeometryException;
052 import org.deegree.model.spatialschema.WKTAdapter;
053 import org.deegree.ogcbase.ExceptionCode;
054 import org.deegree.ogcwebservices.OGCWebServiceException;
055
056 /**
057 * <code>GeometryData</code> encapsulates a list of geometries which can be transformed using the
058 * {@link #doTransform(Transformation, boolean)} or {@link #doTransform(CoordinateSystem, CoordinateSystem, boolean)}
059 * methods.
060 *
061 * @author <a href="mailto:bezema@lat-lon.de">Rutger Bezema</a>
062 *
063 * @author last edited by: $Author:$
064 *
065 * @version $Revision:$, $Date:$
066 *
067 */
068 public class GeometryData extends TransformableData<Geometry> {
069 private List<Geometry> sourceGeometries;
070
071 private final List<Geometry> transformedGeometries;
072
073 private static ILogger LOG = LoggerFactory.getLogger( GeometryData.class );
074
075 /**
076 * Creates a data instance which handles geometries.
077 *
078 * @param transformableData
079 * to transform
080 * @throws IllegalArgumentException
081 * if either one of the crs's are <code>null</code>.
082 */
083 public GeometryData( List<Geometry> transformableData ) throws IllegalArgumentException {
084
085 if ( transformableData == null ) {
086 transformableData = new ArrayList<Geometry>();
087 }
088 this.sourceGeometries = transformableData;
089 transformedGeometries = new ArrayList<Geometry>( this.sourceGeometries.size() );
090 }
091
092 /*
093 * (non-Javadoc)
094 *
095 * @see org.deegree.ogcwebservices.wcts.operation.TransformableData#doTransform(boolean)
096 */
097 @Override
098 public void doTransform( CoordinateSystem sourceCRS, CoordinateSystem targetCRS, boolean enableLogging )
099 throws OGCWebServiceException {
100 LOG.logDebug( "Trying to transform the geometries with default transformation." );
101 GeoTransformer transformer = getGeotransformer( targetCRS );
102 doTransform( sourceCRS, transformer, enableLogging );
103 }
104
105 @Override
106 public void doTransform( Transformation transformation, boolean enableLogging )
107 throws OGCWebServiceException {
108 LOG.logDebug( "Trying to transform the geometries with a transformation." );
109 GeoTransformer transformer = getGeotransformer( transformation );
110 doTransform( CRSFactory.create( transformation.getSourceCRS() ), transformer, enableLogging );
111 }
112
113 private void doTransform( CoordinateSystem sourceCRS, GeoTransformer transformer, @SuppressWarnings("unused")
114 boolean enableLogging )
115 throws OGCWebServiceException {
116 for ( Geometry geom : sourceGeometries ) {
117 try {
118 if ( !sourceCRS.equals( geom.getCoordinateSystem() ) ) {
119 throw new OGCWebServiceException(
120 Messages.getMessage( "WCTS_MISMATCHING_CRS_DEFINITIONS",
121 sourceCRS.getIdentifier(),
122 geom.getCoordinateSystem().getIdentifier() ),
123 ExceptionCode.INVALIDPARAMETERVALUE );
124 }
125 LOG.logDebug( "Transforming geometry: " + geom );
126 transformedGeometries.add( transformer.transform( geom ) );
127 } catch ( IllegalArgumentException e ) {
128 LOG.logError( e.getMessage(), e );
129 } catch ( CRSTransformationException e ) {
130 LOG.logError( e.getMessage(), e );
131 }
132 }
133 }
134
135 /*
136 * (non-Javadoc)
137 *
138 * @see org.deegree.ogcwebservices.wcts.operation.TransformableData#getResult()
139 */
140 @Override
141 public List<Geometry> getTransformedData() {
142 return transformedGeometries;
143 }
144
145 /**
146 * Try to create a Geometry from a given String, put the result into a GeometryData object.
147 *
148 * @param sourceCRS
149 * in which the data is referenced
150 * @param wkt
151 * to create the geometry from.
152 * @return a geometry data or <code>null</code> if the wkt could not be parsed.
153 * @throws OGCWebServiceException
154 * if run into an exception (thrown by the {@link WKTAdapter} any other then a GeometryException.
155 */
156 public static GeometryData parseGeometryData( CoordinateSystem sourceCRS, String wkt )
157 throws OGCWebServiceException {
158 if ( wkt == null ) {
159 return null;
160 }
161 GeometryData result = null;
162 try {
163 Geometry parsedGeom = WKTAdapter.wrap( wkt, sourceCRS );
164 if ( parsedGeom != null ) {
165 LOG.logDebug( "The geomety is of type: ", parsedGeom );
166 List<Geometry> pg = new ArrayList<Geometry>();
167 pg.add( parsedGeom );
168 result = new GeometryData( pg );
169 }
170 } catch ( GeometryException e ) {
171 LOG.logDebug( "No parsable geometry found: ", e.getLocalizedMessage() );
172 } catch ( Exception e ) {
173 LOG.logError( e );
174 throw new OGCWebServiceException( e.getLocalizedMessage(), ExceptionCode.INVALIDPARAMETERVALUE );
175 }
176 return result;
177 }
178
179 }