001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/io/datastore/ResponseCRSTransformationTrigger.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2007 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 53177 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 package org.deegree.io.datastore;
044
045 import org.deegree.framework.log.ILogger;
046 import org.deegree.framework.log.LoggerFactory;
047 import org.deegree.framework.trigger.Trigger;
048 import org.deegree.framework.trigger.TriggerException;
049 import org.deegree.model.crs.CRSException;
050 import org.deegree.model.crs.CRSTransformationException;
051 import org.deegree.model.crs.GeoTransformer;
052 import org.deegree.model.crs.IGeoTransformer;
053 import org.deegree.model.feature.FeatureCollection;
054 import org.deegree.model.spatialschema.GeometryException;
055
056 /**
057 * Trigger implementation for transforming the geometries being part
058 * of a resposne of a Datastore into the desired target CRS.
059 *
060 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
061 * @author last edited by: $Author: apoth $
062 *
063 * @version $Revision: 7638 $, $Date: 2007-06-25 13:00:20 +0200 (Mo, 25 Jun 2007) $
064 */
065 public class ResponseCRSTransformationTrigger implements Trigger {
066
067 private static final ILogger LOG = LoggerFactory.getLogger( ResponseCRSTransformationTrigger.class );
068
069 private String name;
070
071 /**
072 * @param caller calling instance
073 * @param values values passed from the calling method
074 */
075 public Object[] doTrigger( Object caller, Object... values ) {
076 FeatureCollection fc = (FeatureCollection)values[0];
077 String targetCRS = (String)values[1];
078
079 if ( targetCRS != null && fc != null ) {
080 try {
081 IGeoTransformer gt = new GeoTransformer( targetCRS );
082 fc = gt.transform( fc );
083 } catch ( CRSTransformationException e ) {
084 LOG.logError( e.getMessage(), e );
085 throw new TriggerException( e );
086 } catch ( GeometryException e ) {
087 LOG.logError( e.getMessage(), e );
088 throw new TriggerException( e );
089 } catch (CRSException e) {
090 LOG.logError( e.getMessage(), e );
091 throw new TriggerException( e );
092 }
093 }
094 return values;
095 }
096
097 public String getName() {
098 return name;
099 }
100
101 public void setName( String name ) {
102 this.name = name;
103 }
104
105 /**
106 * Returns a string representation of the object.
107 *
108 * @return a string representation of the object
109 */
110 @Override
111 public String toString() {
112 return "Trigger name: " + name;
113 }
114 }