001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/io/datastore/ResponseCRSTransformationTrigger.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.io.datastore;
037
038 import org.deegree.framework.log.ILogger;
039 import org.deegree.framework.log.LoggerFactory;
040 import org.deegree.framework.trigger.Trigger;
041 import org.deegree.framework.trigger.TriggerException;
042 import org.deegree.model.crs.CRSTransformationException;
043 import org.deegree.model.crs.GeoTransformer;
044 import org.deegree.model.crs.UnknownCRSException;
045 import org.deegree.model.feature.FeatureCollection;
046
047 /**
048 * Trigger implementation for transforming the geometries being part of a resposne of a Datastore
049 * into the desired target CRS.
050 *
051 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
052 * @author last edited by: $Author: mschneider $
053 *
054 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
055 */
056 public class ResponseCRSTransformationTrigger implements Trigger {
057
058 private static final ILogger LOG = LoggerFactory.getLogger( ResponseCRSTransformationTrigger.class );
059
060 private String name;
061
062 /**
063 * @param caller
064 * calling instance
065 * @param values
066 * values passed from the calling method
067 */
068 public Object[] doTrigger( Object caller, Object... values ) {
069 FeatureCollection fc = (FeatureCollection) values[0];
070 String targetCRS = (String) values[1];
071
072 if ( targetCRS != null && fc != null ) {
073 try {
074 GeoTransformer gt = new GeoTransformer( targetCRS );
075 fc = gt.transform( fc );
076 } catch ( CRSTransformationException e ) {
077 LOG.logError( e.getMessage(), e );
078 throw new TriggerException( e );
079 } catch ( UnknownCRSException e ) {
080 LOG.logError( e.getMessage(), e );
081 throw new TriggerException( e );
082 }
083 }
084 return values;
085 }
086
087 public String getName() {
088 return name;
089 }
090
091 public void setName( String name ) {
092 this.name = name;
093 }
094
095 /**
096 * Returns a string representation of the object.
097 *
098 * @return a string representation of the object
099 */
100 @Override
101 public String toString() {
102 return "Trigger name: " + name;
103 }
104 }