001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/model/crs/CRSFactory.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.model.crs;
044
045 import org.deegree.crs.configuration.CRSConfiguration;
046 import org.deegree.crs.configuration.CRSProvider;
047 import org.deegree.crs.exceptions.CRSConfigurationException;
048 import org.deegree.framework.log.ILogger;
049 import org.deegree.framework.log.LoggerFactory;
050
051 /**
052 *
053 * The <code>CRSFactory</code> class wraps the access to the CRSProvider in the org.deegree.crs package by supplying a
054 * static create method, thus encapsulating the access to the CoordinateSystems.
055 *
056 * @author <a href="mailto:bezema@lat-lon.de">Rutger Bezema</a>
057 *
058 * @author last edited by: $Author: rbezema $
059 *
060 * @version $Revision: 9521 $, $Date: 2008-01-14 15:36:19 +0100 (Mo, 14 Jan 2008) $
061 *
062 */
063 public class CRSFactory {
064
065 private static ILogger LOG = LoggerFactory.getLogger( CRSFactory.class );
066
067 /**
068 * e.g. epgs:4326
069 *
070 * @param name
071 * @return a CoordinateSystem corresponding to the given name
072 * @throws UnknownCRSException
073 * if the crs-name is not known
074 */
075 public static CoordinateSystem create( String name )
076 throws UnknownCRSException {
077 CRSConfiguration crsConfig = CRSConfiguration.getCRSConfiguration();
078 CRSProvider crsProvider = crsConfig.getProvider();
079 org.deegree.crs.coordinatesystems.CoordinateSystem realCRS = null;
080 try {
081 realCRS = crsProvider.getCRSByID( name );
082 } catch ( CRSConfigurationException e ) {
083 LOG.logError( e.getMessage(), e );
084 }
085 if ( realCRS == null ) {
086 throw new UnknownCRSException( name );
087 }
088 LOG.logDebug( "Successfully created the crs with id: " + name );
089 return new CoordinateSystem( realCRS, name );
090 }
091 }