/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstr. 19
53177 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.model.crs;
import java.net.URI;
import org.deegree.i18n.Messages;
import org.deegree.model.csct.cs.ConvenienceCSFactory;
/**
*
*
*
* @version $Revision: 1.4 $
* @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
* @author last edited by: $Author: bezema $
*
* @version 1.0. $Revision: 1.4 $, $Date: 2006/11/27 15:36:08 $
*
* @since 2.0
*/
public class CRSFactory {
/**
*
* @param prefix must be not null
* @param localName
* @param namespace
* @return a CoordinateSystem corresponding to the given name, prefix and namespace
* @throws UnknownCRSException
*/
public static CoordinateSystem create( String prefix, String localName, URI namespace )
throws UnknownCRSException {
if ( ConvenienceCSFactory.getInstance().getCSByName( prefix + ':' + localName ) == null ) {
throw new UnknownCRSException( Messages.getMessage( "CRS_UNKNOWNCRS" ) );
}
return new CoordinateSystem( prefix, localName, namespace );
}
/**
*
* @param name
* @param namespace
* @return a CoordinateSystem corresponding to the given name and namespace
* @throws UnknownCRSException
*/
public static CoordinateSystem create( String name, URI namespace )
throws UnknownCRSException {
name = normalizeName( name );
if ( ConvenienceCSFactory.getInstance().getCSByName( name ) == null ) {
throw new UnknownCRSException( Messages.getMessage( "CRS_UNKNOWNCRS" ) );
}
return new CoordinateSystem( name, namespace );
}
/**
* e.g. epgs:4326
* @param name
* @return a CoordinateSystem corresponding to the given name
* @throws UnknownCRSException if the crs-name is not known
*/
public static CoordinateSystem create( String name )
throws UnknownCRSException {
name = normalizeName( name );
if ( ConvenienceCSFactory.getInstance().getCSByName( name ) == null ) {
throw new UnknownCRSException( Messages.getMessage( "CRS_UNKNOWNCRS", name ) );
}
return new CoordinateSystem( name );
}
private static String normalizeName(String name ) {
if ( name.startsWith( "http://www.opengis.net/gml/srs/" ) ) {
// as declared in the GML 2.1.1 specification
// http://www.opengis.net/gml/srs/epsg.xml#4326
int p = name.lastIndexOf( "/" );
if ( p >= 0 ) {
name = name.substring( p, name.length() );
p = name.indexOf( "." );
String s1 = name.substring( 1, p ).toUpperCase();
p = name.indexOf( "#" );
String s2 = name.substring( p + 1, name.length() );
if ( s2.toUpperCase().startsWith( "EPSG" ) ) {
name = s2;
} else {
name = s1 + ":" + s2;
}
}
}
return name;
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: CRSFactory.java,v $
Revision 1.4 2006/11/27 15:36:08 bezema
fixed javadocs
Revision 1.3 2006/11/27 09:07:51 poth
JNI integration of proj4 has been removed. The CRS functionality now will be done by native deegree code.
Revision 1.2 2006/07/12 14:46:14 poth
comment footer added
********************************************************************** */