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.ogcwebservices.wms.capabilities;
038
039 import java.io.IOException;
040 import java.net.URL;
041
042 import org.deegree.framework.log.ILogger;
043 import org.deegree.framework.log.LoggerFactory;
044 import org.deegree.framework.xml.NamespaceContext;
045 import org.deegree.framework.xml.XMLFragment;
046 import org.deegree.framework.xml.XMLParsingException;
047 import org.deegree.framework.xml.XMLTools;
048 import org.deegree.ogcbase.CommonNamespaces;
049 import org.w3c.dom.Element;
050 import org.xml.sax.SAXException;
051
052 /**
053 *
054 *
055 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
056 * @author last edited by: $Author: poth $
057 *
058 * @version $Revision: 6251 $, $Date: 2007-03-19 16:59:28 +0100 (Mo, 19 Mrz 2007) $
059 */
060 public class WMSCapabilitiesDocumentFactory {
061
062 private static NamespaceContext nsContext = CommonNamespaces.getNamespaceContext();
063
064 private static final ILogger LOG = LoggerFactory.getLogger( WMSCapabilitiesDocumentFactory.class );
065
066 /**
067 *
068 * @param url
069 * @return loaded version depending WMSCapabilitiesDocument
070 * @throws SAXException
071 * @throws IOException
072 * @throws XMLParsingException
073 */
074 public static WMSCapabilitiesDocument getWMSCapabilitiesDocument( URL url )
075 throws IOException, SAXException, XMLParsingException {
076 LOG.logDebug( "WMS capabilities URL: ", url );
077 XMLFragment xml = new XMLFragment( url );
078 return getWMSCapabilitiesDocument( xml.getRootElement() );
079 }
080
081 /**
082 *
083 * @param root
084 * @return the document object
085 * @throws XMLParsingException
086 */
087 public static WMSCapabilitiesDocument getWMSCapabilitiesDocument( Element root )
088 throws XMLParsingException {
089 WMSCapabilitiesDocument caps = null;
090 String version = XMLTools.getRequiredNodeAsString( root, "./@version", nsContext );
091 if ( "1.1.0".equals( version ) || "1.1.1".equals( version ) ) {
092 caps = new WMSCapabilitiesDocument();
093 } else if ( "1.3.0".equals( version ) || "1.3".equals( version ) ) {
094 caps = new WMSCapabilitiesDocument_1_3_0();
095 } else if ( "1.0.0".equals( version ) ) {
096 caps = new WMSCapabilitiesDocument_1_0_0();
097 } else {
098 // TODO
099 // for now WMS 1.1.1 will be use das default; a correct implementation should
100 // realize a version negotiation
101 caps = new WMSCapabilitiesDocument();
102 }
103 caps.setRootElement( root );
104 return caps;
105 }
106
107 }