001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/ogcwebservices/csw/capabilities/CatalogueGetCapabilitiesDocument.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2008 by:
006 Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/deegree/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstraße 19
030 53177 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 Department of Geography
036 University of Bonn
037 Meckenheimer Allee 166
038 53115 Bonn
039 Germany
040 E-Mail: greve@giub.uni-bonn.de
041
042 ---------------------------------------------------------------------------*/
043 package org.deegree.ogcwebservices.csw.capabilities;
044
045 import java.util.HashMap;
046
047 import org.deegree.framework.xml.ElementList;
048 import org.deegree.framework.xml.XMLParsingException;
049 import org.deegree.framework.xml.XMLTools;
050 import org.deegree.i18n.Messages;
051 import org.deegree.ogcbase.CommonNamespaces;
052 import org.deegree.ogcbase.OGCDocument;
053 import org.deegree.ogcwebservices.InvalidParameterValueException;
054 import org.deegree.ogcwebservices.csw.CSWPropertiesAccess;
055 import org.w3c.dom.Element;
056
057 /**
058 * Parser for "csw:GetCapabilities" requests.
059 *
060 * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider</a>
061 *
062 * @author last edited by: $Author: apoth $
063 *
064 * @version 2.0, $Revision: 9386 $, $Date: 2008-01-03 17:02:25 +0100 (Do, 03 Jan 2008) $
065 *
066 * @since 2.0
067 */
068 public class CatalogueGetCapabilitiesDocument extends OGCDocument {
069
070 private static final long serialVersionUID = -7155778875151820291L;
071
072 /**
073 * Parses the underlying document into a <code>GetCapabilities</code> request object.
074 *
075 * @param id
076 * @return corresponding <code>GetCapabilities</code> object
077 * @throws XMLParsingException
078 * @throws InvalidParameterValueException
079 * @throws InvalidParameterValueException
080 */
081 public CatalogueGetCapabilities parse( String id )
082 throws XMLParsingException, InvalidParameterValueException {
083
084 String version = CSWPropertiesAccess.getString( "DEFAULTVERSION" );
085 String service = null;
086 String updateSeq = null;
087 String[] acceptVersions = null;
088 String[] acceptFormats = null;
089 String[] sections = null;
090 Element root = this.getRootElement();
091
092 // 'service'-attribute (required, must be CSW)
093 service = XMLTools.getAttrValue( root, null, "service", null );
094 if ( service == null ) {
095 throw new XMLParsingException( "Mandatory attribute 'service' is missing" );
096 } else if ( !service.equals( "CSW" ) ) {
097 throw new XMLParsingException( "Attribute 'service' must be 'CSW'" );
098 }
099 // 'updateSequence'-attribute (optional)
100 updateSeq = XMLTools.getAttrValue( root, null, "updateSequence", null );
101
102 // '<csw:AcceptVersions>'-element (optional)
103 Element acceptVersionsElement = XMLTools.getChildElement( "AcceptVersions", CommonNamespaces.CSWNS, root );
104 if ( acceptVersionsElement != null ) {
105 acceptVersions = XMLTools.getRequiredNodesAsStrings( acceptVersionsElement, "csw:Version", nsContext );
106 version = CatalogueGetCapabilities.validateVersion( acceptVersions );
107 if ( version == null ) {
108 throw new InvalidParameterValueException( Messages.get( "CSW_UNSUPPORTED_VERSION" ) );
109 }
110 }
111 LOG.logInfo( "process with version:", version );
112
113 // '<csw:AcceptFormats>'-element (optional)
114 Element acceptFormatsElement = XMLTools.getChildElement( "AcceptFormats", CommonNamespaces.CSWNS, root );
115 if ( acceptFormatsElement != null ) {
116 ElementList formatsList = XMLTools.getChildElements( "OutputFormat", CommonNamespaces.CSWNS,
117 acceptFormatsElement );
118 acceptFormats = new String[formatsList.getLength()];
119 for ( int i = 0; i < acceptFormats.length; i++ ) {
120 acceptFormats[i] = XMLTools.getStringValue( formatsList.item( i ) );
121 }
122 }
123
124 // '<csw:Sections>'-element (optional)
125 Element sectionsElement = XMLTools.getChildElement( "Sections", CommonNamespaces.CSWNS, root );
126 if ( sectionsElement != null ) {
127 ElementList sectionList = XMLTools.getChildElements( "Section", CommonNamespaces.CSWNS, sectionsElement );
128 sections = new String[sectionList.getLength()];
129 for ( int i = 0; i < sections.length; i++ ) {
130 sections[i] = XMLTools.getStringValue( sectionList.item( i ) );
131 }
132 }
133
134 return new CatalogueGetCapabilities( id, updateSeq, version, acceptVersions, acceptFormats, sections,
135 new HashMap<String, String>() );
136 }
137
138 }