001 //$HeadURL$
002 /*---------------- FILE HEADER ------------------------------------------
003 This file is part of deegree.
004 Copyright (C) 2001-2008 by:
005 Department of Geography, University of Bonn
006 http://www.giub.uni-bonn.de/deegree/
007 lat/lon GmbH
008 http://www.lat-lon.de
009
010 This library is free software; you can redistribute it and/or
011 modify it under the terms of the GNU Lesser General Public
012 License as published by the Free Software Foundation; either
013 version 2.1 of the License, or (at your option) any later version.
014 This library is distributed in the hope that it will be useful,
015 but WITHOUT ANY WARRANTY; without even the implied warranty of
016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
017 Lesser General Public License for more details.
018 You should have received a copy of the GNU Lesser General Public
019 License along with this library; if not, write to the Free Software
020 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
021 Contact:
022
023 Andreas Poth
024 lat/lon GmbH
025 Aennchenstr. 19
026 53177 Bonn
027 Germany
028 E-Mail: poth@lat-lon.de
029
030 Prof. Dr. Klaus Greve
031 Department of Geography
032 University of Bonn
033 Meckenheimer Allee 166
034 53115 Bonn
035 Germany
036 E-Mail: greve@giub.uni-bonn.de
037 ---------------------------------------------------------------------------*/
038
039 package org.deegree.ogcwebservices.wms.capabilities;
040
041 import java.io.IOException;
042 import java.net.URL;
043
044 import org.deegree.framework.log.ILogger;
045 import org.deegree.framework.log.LoggerFactory;
046 import org.deegree.framework.xml.NamespaceContext;
047 import org.deegree.framework.xml.XMLFragment;
048 import org.deegree.framework.xml.XMLParsingException;
049 import org.deegree.framework.xml.XMLTools;
050 import org.deegree.ogcbase.CommonNamespaces;
051 import org.w3c.dom.Element;
052 import org.xml.sax.SAXException;
053
054 /**
055 *
056 *
057 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
058 * @author last edited by: $Author: poth $
059 *
060 * @version. $Revision: 6251 $, $Date: 2007-03-19 16:59:28 +0100 (Mo, 19 Mrz 2007) $
061 */
062 public class WMSCapabilitiesDocumentFactory {
063
064 private static NamespaceContext nsContext = CommonNamespaces.getNamespaceContext();
065
066 private static final ILogger LOG = LoggerFactory.getLogger( WMSCapabilitiesDocumentFactory.class );
067
068 /**
069 *
070 * @param url
071 * @return loaded version depending WMSCapabilitiesDocument
072 * @throws SAXException
073 * @throws IOException
074 * @throws XMLParsingException
075 */
076 public static WMSCapabilitiesDocument getWMSCapabilitiesDocument( URL url )
077 throws IOException, SAXException, XMLParsingException {
078 LOG.logDebug( "WMS capabilities URL: ", url );
079 XMLFragment xml = new XMLFragment( url );
080
081 return getWMSCapabilitiesDocument( xml.getRootElement() );
082 }
083
084 /**
085 *
086 * @param root
087 * @return the document object
088 * @throws XMLParsingException
089 */
090 public static WMSCapabilitiesDocument getWMSCapabilitiesDocument( Element root )
091 throws XMLParsingException {
092 WMSCapabilitiesDocument caps = null;
093 String version = XMLTools.getRequiredNodeAsString( root, "./@version", nsContext );
094 if ( "1.1.0".equals( version ) || "1.1.1".equals( version ) ) {
095 caps = new WMSCapabilitiesDocument();
096 } else if ( "1.3.0".equals( version ) || "1.3".equals( version ) ) {
097 caps = new WMSCapabilitiesDocument_1_3_0();
098 } else if ( "1.0.0".equals( version ) ) {
099 caps = new WMSCapabilitiesDocument_1_0_0();
100 } else {
101 // TODO
102 // for now WMS 1.1.1 will be use das default; a correct implementation should
103 // realize a version negotiation
104 caps = new WMSCapabilitiesDocument();
105 }
106 caps.setRootElement( root );
107 return caps;
108 }
109
110 }