001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/io/datastore/ResponseCRSTransformationTrigger.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 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.CRSTransformationException;
050 import org.deegree.model.crs.GeoTransformer;
051 import org.deegree.model.crs.UnknownCRSException;
052 import org.deegree.model.feature.FeatureCollection;
053
054 /**
055 * Trigger implementation for transforming the geometries being part
056 * of a resposne of a Datastore into the desired target CRS.
057 *
058 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
059 * @author last edited by: $Author: rbezema $
060 *
061 * @version $Revision: 9443 $, $Date: 2008-01-08 11:59:52 +0100 (Di, 08 Jan 2008) $
062 */
063 public class ResponseCRSTransformationTrigger implements Trigger {
064
065 private static final ILogger LOG = LoggerFactory.getLogger( ResponseCRSTransformationTrigger.class );
066
067 private String name;
068
069 /**
070 * @param caller calling instance
071 * @param values values passed from the calling method
072 */
073 public Object[] doTrigger( Object caller, Object... values ) {
074 FeatureCollection fc = (FeatureCollection)values[0];
075 String targetCRS = (String)values[1];
076
077 if ( targetCRS != null && fc != null ) {
078 try {
079 GeoTransformer gt = new GeoTransformer( targetCRS );
080 fc = gt.transform( fc );
081 } catch ( CRSTransformationException e ) {
082 LOG.logError( e.getMessage(), e );
083 throw new TriggerException( e );
084 } catch ( UnknownCRSException e) {
085 LOG.logError( e.getMessage(), e );
086 throw new TriggerException( e );
087 }
088 }
089 return values;
090 }
091
092 public String getName() {
093 return name;
094 }
095
096 public void setName( String name ) {
097 this.name = name;
098 }
099
100 /**
101 * Returns a string representation of the object.
102 *
103 * @return a string representation of the object
104 */
105 @Override
106 public String toString() {
107 return "Trigger name: " + name;
108 }
109 }