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 }