    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    }