001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/ogcwebservices/wms/operation/DescribeLayer.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 53115 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 ---------------------------------------------------------------------------*/
044 package org.deegree.ogcwebservices.wms.operation;
045
046 import java.util.Map;
047
048 import org.deegree.i18n.Messages;
049 import org.deegree.ogcwebservices.InconsistentRequestException;
050
051 /**
052 * <code>DescribeLayer</code>
053 *
054 * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
055 * @author last edited by: $Author: aschmitz $
056 *
057 * @version $Revision: 9697 $, $Date: 2008-01-23 12:19:46 +0100 (Mi, 23 Jan 2008) $
058 */
059 public class DescribeLayer extends WMSRequestBase {
060
061 private static final long serialVersionUID = 3600055196281010553L;
062
063 private String[] layers;
064
065 /**
066 * Creates a new DescribeLayer object.
067 *
068 * @param version
069 * @param id
070 * @param vendorSpecificParameter
071 */
072 private DescribeLayer( String version, String id, Map<String, String> vendorSpecificParameter, String[] layers ) {
073 super( version, id, vendorSpecificParameter );
074 this.layers = layers;
075 }
076
077 /**
078 * @param map
079 * @return the new describe layer request
080 * @throws InconsistentRequestException
081 */
082 public static DescribeLayer create( Map<String, String> map )
083 throws InconsistentRequestException {
084 String id = map.get( "ID" );
085 map.remove( "ID" );
086 String version = map.get( "VERSION" );
087 map.remove( "VERSION" );
088
089 if ( version == null ) {
090 throw new InconsistentRequestException( Messages.getMessage( "WMS_PARAMETER_MUST_BE_SET", "VERSION" ) );
091 }
092
093 String ls = map.get( "LAYERS" );
094 if ( ls == null ) {
095 throw new InconsistentRequestException( Messages.getMessage( "WMS_PARAMETER_MUST_BE_SET", "LAYERS" ) );
096 }
097
098 String[] layers = ls.split( "," );
099 if ( layers.length == 0 ) {
100 throw new InconsistentRequestException( Messages.getMessage( "WMS_PARAMETER_MUST_BE_SET", "LAYERS" ) );
101 }
102
103 return new DescribeLayer( version, id, map, layers );
104 }
105
106 /**
107 * @return the list of requested layers
108 */
109 public String[] getLayers() {
110 return layers;
111 }
112
113 }