001 //$HeadURL$
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
037 package org.deegree.model.coverage.grid.oracle;
038
039 import java.io.IOException;
040 import java.lang.reflect.Constructor;
041
042 import org.deegree.framework.log.ILogger;
043 import org.deegree.framework.log.LoggerFactory;
044 import org.deegree.io.oraclegeoraster.GeoRasterDescription;
045 import org.deegree.model.coverage.grid.Format;
046 import org.deegree.model.coverage.grid.GCReaderAccess;
047 import org.deegree.model.coverage.grid.GridCoverageReader;
048 import org.deegree.model.spatialschema.Envelope;
049 import org.deegree.ogcwebservices.wcs.describecoverage.CoverageOffering;
050
051 /**
052 *
053 *
054 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
055 * @author last edited by: $Author: poth $
056 *
057 * @version $Revision: 6251 $, $Date: 2007-03-19 16:59:28 +0100 (Mo, 19 Mrz 2007) $
058 */
059 public class GeoRasterReaderAccess implements GCReaderAccess {
060
061 private static final ILogger LOG = LoggerFactory.getLogger( GeoRasterReaderAccess.class );
062
063 /**
064 * Creates a OracleGeoRasterGridCoverageReader instance from the given parameters.
065 *
066 * @param description
067 * @param envelope
068 * @param format
069 * @return the GridCoverageReader
070 * @throws IOException
071 */
072 public GridCoverageReader createGridCoverageReader( Object descriptor, CoverageOffering description,
073 Envelope envelope, Format format )
074 throws IOException {
075 GeoRasterDescription grDesc = (GeoRasterDescription) descriptor;
076 GridCoverageReader gcr = null;
077 try {
078 Class<?> gridCoverageReaderClass = Class.forName( "org.deegree.model.coverage.grid.oracle.OracleGeoRasterGridCoverageReader" );
079
080 // get constructor
081 Class<?>[] parameterTypes = new Class[] { GeoRasterDescription.class, CoverageOffering.class,
082 Envelope.class, Format.class };
083 Constructor<?> constructor = gridCoverageReaderClass.getConstructor( parameterTypes );
084
085 // call constructor
086 Object arglist[] = new Object[] { grDesc, description, envelope, format };
087 gcr = (GridCoverageReader) constructor.newInstance( arglist );
088 } catch ( ClassNotFoundException e ) {
089 LOG.logError( e.getMessage(), e );
090 throw new IOException( "Cannot find Oracle raster library: " + e.getMessage() );
091 } catch ( Exception e ) {
092 LOG.logError( e.getMessage(), e );
093 throw new IOException( e.getMessage() );
094 }
095 return gcr;
096
097 }
098 }