001    //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/ogcwebservices/csw/capabilities/CatalogueGetCapabilitiesDocument.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.csw.capabilities;
037    
038    import java.util.HashMap;
039    
040    import org.deegree.framework.log.ILogger;
041    import org.deegree.framework.log.LoggerFactory;
042    import org.deegree.framework.xml.ElementList;
043    import org.deegree.framework.xml.XMLParsingException;
044    import org.deegree.framework.xml.XMLTools;
045    import org.deegree.i18n.Messages;
046    import org.deegree.ogcbase.CommonNamespaces;
047    import org.deegree.ogcbase.OGCDocument;
048    import org.deegree.ogcwebservices.InvalidParameterValueException;
049    import org.deegree.ogcwebservices.csw.CSWPropertiesAccess;
050    import org.w3c.dom.Element;
051    
052    /**
053     * Parser for "csw:GetCapabilities" requests.
054     *
055     * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider</a>
056     *
057     * @author last edited by: $Author: mschneider $
058     *
059     * @version 2.0, $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
060     *
061     * @since 2.0
062     */
063    public class CatalogueGetCapabilitiesDocument extends OGCDocument {
064    
065        private static final long serialVersionUID = -7155778875151820291L;
066    
067        private static ILogger LOG = LoggerFactory.getLogger( CatalogueGetCapabilitiesDocument.class );
068    
069        /**
070         * Parses the underlying document into a <code>GetCapabilities</code> request object.
071         *
072         * @param id
073         * @return corresponding <code>GetCapabilities</code> object
074         * @throws XMLParsingException
075         * @throws InvalidParameterValueException
076         * @throws InvalidParameterValueException
077         */
078        public CatalogueGetCapabilities parse( String id )
079                                throws XMLParsingException, InvalidParameterValueException {
080    
081            String version = CSWPropertiesAccess.getString( "DEFAULTVERSION" );
082            String service = null;
083            String updateSeq = null;
084            String[] acceptVersions = null;
085            String[] acceptFormats = null;
086            String[] sections = null;
087            Element root = this.getRootElement();
088    
089            // 'service'-attribute (required, must be CSW)
090            service = XMLTools.getAttrValue( root, null, "service", null );
091            if ( service == null ) {
092                throw new XMLParsingException( "Mandatory attribute 'service' is missing" );
093            } else if ( !service.equals( "CSW" ) ) {
094                throw new XMLParsingException( "Attribute 'service' must be 'CSW'" );
095            }
096            // 'updateSequence'-attribute (optional)
097            updateSeq = XMLTools.getAttrValue( root, null, "updateSequence", null );
098    
099            // '<csw:AcceptVersions>'-element (optional)
100            Element acceptVersionsElement = XMLTools.getChildElement( "AcceptVersions", CommonNamespaces.CSWNS, root );
101            if ( acceptVersionsElement != null ) {
102                acceptVersions = XMLTools.getRequiredNodesAsStrings( acceptVersionsElement, "csw:Version", nsContext );
103                version = CatalogueGetCapabilities.validateVersion( acceptVersions );
104                if ( version == null ) {
105                    throw new InvalidParameterValueException( Messages.get( "CSW_UNSUPPORTED_VERSION" ) );
106                }
107            }
108            LOG.logInfo( "process with version:", version );
109    
110            // '<csw:AcceptFormats>'-element (optional)
111            Element acceptFormatsElement = XMLTools.getChildElement( "AcceptFormats", CommonNamespaces.CSWNS, root );
112            if ( acceptFormatsElement != null ) {
113                ElementList formatsList = XMLTools.getChildElements( "OutputFormat", CommonNamespaces.CSWNS,
114                                                                     acceptFormatsElement );
115                acceptFormats = new String[formatsList.getLength()];
116                for ( int i = 0; i < acceptFormats.length; i++ ) {
117                    acceptFormats[i] = XMLTools.getStringValue( formatsList.item( i ) );
118                }
119            }
120    
121            // '<csw:Sections>'-element (optional)
122            Element sectionsElement = XMLTools.getChildElement( "Sections", CommonNamespaces.CSWNS, root );
123            if ( sectionsElement != null ) {
124                ElementList sectionList = XMLTools.getChildElements( "Section", CommonNamespaces.CSWNS, sectionsElement );
125                sections = new String[sectionList.getLength()];
126                for ( int i = 0; i < sections.length; i++ ) {
127                    sections[i] = XMLTools.getStringValue( sectionList.item( i ) );
128                }
129            }
130    
131            return new CatalogueGetCapabilities( id, updateSeq, version, acceptVersions, acceptFormats, sections,
132                                                 new HashMap<String, String>() );
133        }
134    
135    }