001    //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/ogcwebservices/wms/operation/DescribeLayer.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.ogcwebservices.wms.operation;
037    
038    import java.util.Map;
039    
040    import org.deegree.i18n.Messages;
041    import org.deegree.ogcwebservices.InconsistentRequestException;
042    
043    /**
044     * <code>DescribeLayer</code>
045     *
046     * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
047     * @author last edited by: $Author: mschneider $
048     *
049     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
050     */
051    public class DescribeLayer extends WMSRequestBase {
052    
053        private static final long serialVersionUID = 3600055196281010553L;
054    
055        private String[] layers;
056    
057        /**
058         * Creates a new DescribeLayer object.
059         *
060         * @param version
061         * @param id
062         * @param vendorSpecificParameter
063         */
064        private DescribeLayer( String version, String id, Map<String, String> vendorSpecificParameter, String[] layers ) {
065            super( version, id, vendorSpecificParameter );
066            this.layers = layers;
067        }
068    
069        /**
070         * @param map
071         * @return the new describe layer request
072         * @throws InconsistentRequestException
073         */
074        public static DescribeLayer create( Map<String, String> map )
075                                throws InconsistentRequestException {
076            String id = map.get( "ID" );
077            map.remove( "ID" );
078            String version = map.get( "VERSION" );
079            map.remove( "VERSION" );
080    
081            if ( version == null ) {
082                throw new InconsistentRequestException( Messages.getMessage( "WMS_PARAMETER_MUST_BE_SET", "VERSION" ) );
083            }
084    
085            String ls = map.get( "LAYERS" );
086            if ( ls == null ) {
087                throw new InconsistentRequestException( Messages.getMessage( "WMS_PARAMETER_MUST_BE_SET", "LAYERS" ) );
088            }
089    
090            String[] layers = ls.split( "," );
091            if ( layers.length == 0 ) {
092                throw new InconsistentRequestException( Messages.getMessage( "WMS_PARAMETER_MUST_BE_SET", "LAYERS" ) );
093            }
094    
095            return new DescribeLayer( version, id, map, layers );
096        }
097    
098        /**
099         * @return the list of requested layers
100         */
101        public String[] getLayers() {
102            return layers;
103        }
104    
105    }