001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/ogcwebservices/csw/configuration/CatalogueConfigurationDocument.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
037 package org.deegree.ogcwebservices.csw.configuration;
038
039 import java.io.IOException;
040 import java.net.URI;
041 import java.net.URL;
042
043 import org.deegree.datatypes.xlink.SimpleLink;
044 import org.deegree.framework.log.ILogger;
045 import org.deegree.framework.log.LoggerFactory;
046 import org.deegree.framework.util.StringTools;
047 import org.deegree.framework.xml.ElementList;
048 import org.deegree.framework.xml.InvalidConfigurationException;
049 import org.deegree.framework.xml.NamespaceContext;
050 import org.deegree.framework.xml.XMLParsingException;
051 import org.deegree.framework.xml.XMLTools;
052 import org.deegree.io.JDBCConnection;
053 import org.deegree.model.filterencoding.capabilities.FilterCapabilities;
054 import org.deegree.model.filterencoding.capabilities.FilterCapabilities100Fragment;
055 import org.deegree.model.metadata.iso19115.OnlineResource;
056 import org.deegree.ogcbase.CommonNamespaces;
057 import org.deegree.ogcwebservices.csw.capabilities.CatalogueCapabilitiesDocument;
058 import org.deegree.owscommon.OWSDomainType;
059 import org.w3c.dom.Element;
060 import org.w3c.dom.Node;
061 import org.w3c.dom.NodeList;
062 import org.xml.sax.SAXException;
063
064 /**
065 * Represents an XML configuration document for a deegree CSW 2.0 instance, i.e. it consists of all
066 * sections common to an OGC CSW 2.0 capabilities document plus a deegree specific section named
067 * <code>deegreeParams</code>.
068 *
069 * @author <a href="mailto:tfr@users.sourceforge.net">Torsten Friebe </a>
070 * @author <a href="mailto:mschneider@lat-lon.de">Markus Schneider </a>
071 * @author last edited by: $Author: mschneider $
072 *
073 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
074 */
075 public class CatalogueConfigurationDocument extends CatalogueCapabilitiesDocument {
076
077 private static ILogger LOG = LoggerFactory.getLogger( CatalogueConfigurationDocument.class );
078
079 private static final long serialVersionUID = -2923926335089417513L;
080
081 private static final NamespaceContext nsc = CommonNamespaces.getNamespaceContext();
082
083 protected static final URI DEEGREECSW = CommonNamespaces.DEEGREECSW;
084
085 private static final String XML_TEMPLATE = "CatalogueConfigurationTemplate.xml";
086
087 /**
088 * Creates a skeleton configuration document that contains the mandatory elements only.
089 *
090 * @throws IOException
091 * @throws SAXException
092 */
093 @Override
094 public void createEmptyDocument()
095 throws IOException, SAXException {
096 URL url = CatalogueConfigurationDocument.class.getResource( XML_TEMPLATE );
097 if ( url == null ) {
098 throw new IOException( "The resource '" + XML_TEMPLATE + " could not be found." );
099 }
100 load( url );
101 }
102
103 /**
104 * Creates a class representation of the whole document.
105 *
106 * @return class representation of the configuration document
107 * @throws InvalidConfigurationException
108 */
109 public CatalogueConfiguration getConfiguration()
110 throws InvalidConfigurationException {
111 CatalogueConfiguration configuration = null;
112 try {
113 FilterCapabilities filterCapabilities = null;
114 Element filterCapabilitiesElement = (Element) XMLTools.getNode( getRootElement(),
115 "ogc:Filter_Capabilities", nsContext );
116 if ( filterCapabilitiesElement != null ) {
117 filterCapabilities = new FilterCapabilities100Fragment( filterCapabilitiesElement, getSystemId() ).parseFilterCapabilities();
118 }
119 configuration = new CatalogueConfiguration( parseVersion(), parseUpdateSequence(),
120 getServiceIdentification(), getServiceProvider(),
121 getOperationsMetadata(), null, filterCapabilities,
122 getDeegreeParams(), getSystemId(), parseEBRIMCapabilities() );
123 } catch ( XMLParsingException e ) {
124 LOG.logError( e.getMessage(), e );
125 throw new InvalidConfigurationException( "Class representation of the catalog configuration "
126 + "document could not be generated: " + e.getMessage(), e );
127 }
128 return configuration;
129 }
130
131 /**
132 * Creates a class representation of the <code>deegreeParams</code>- section.
133 *
134 * @return the DeegreeParams of the catalogue
135 * @throws InvalidConfigurationException
136 */
137 public CatalogueDeegreeParams getDeegreeParams()
138 throws InvalidConfigurationException {
139
140 CatalogueDeegreeParams deegreeParams = null;
141
142 try {
143 Node root = this.getRootElement();
144 Element element = XMLTools.getRequiredChildElement( "deegreeParams", DEEGREECSW, root );
145
146 // 'deegreecsw:DefaultOnlineResource'-element (mandatory)
147 OnlineResource defaultOnlineResource = parseOnLineResource( XMLTools.getRequiredChildElement(
148 "DefaultOnlineResource",
149 DEEGREECSW,
150 element ) );
151
152 // 'deegreecsw:CacheSize'-element (optional, default: 100)
153 int cacheSize = XMLTools.getNodeAsInt( element, "./deegreecsw:CacheSize", nsContext, 100 );
154
155 // 'deegreecsw:RequestTimeLimit'-element (optional, default: 2)
156 int requestTimeLimit = XMLTools.getNodeAsInt( element, "./deegreecsw:RequestTimeLimit", nsContext, 2 );
157
158 // 'deegreecsw:Encoding'-element (optional, default: UTF-8)
159 String characterSet = XMLTools.getStringValue( "Encoding", DEEGREECSW, element, "UTF-8" );
160
161 // default output schema used by a catalogue
162 String defaultOutputSchema = XMLTools.getStringValue( "DefaultOutputSchema", DEEGREECSW, element, "OGCCORE" );
163
164 // 'deegreecsw:WFSResource'-element (mandatory)
165 SimpleLink wfsResource = parseSimpleLink( XMLTools.getRequiredChildElement( "WFSResource", DEEGREECSW,
166 element ) );
167
168 // 'deegreecsw:CatalogAddresses'-element (optional)
169 Element catalogAddressesElement = XMLTools.getChildElement( "CatalogAddresses", DEEGREECSW, element );
170 OnlineResource[] catalogAddresses = new OnlineResource[0];
171 if ( catalogAddressesElement != null ) {
172 // 'deegreecsw:CatalogAddresses'-element (optional)
173 ElementList el = XMLTools.getChildElements( "CatalogAddress", DEEGREECSW, catalogAddressesElement );
174 catalogAddresses = new OnlineResource[el.getLength()];
175 for ( int i = 0; i < catalogAddresses.length; i++ ) {
176 catalogAddresses[i] = parseOnLineResource( el.item( i ) );
177 }
178 }
179
180 OnlineResource transInXslt = null;
181 Element elem = (Element) XMLTools.getNode( element, "deegreecsw:TransactionInputXSLT", nsc );
182 if ( elem != null ) {
183 transInXslt = parseOnLineResource( elem );
184 }
185 OnlineResource transOutXslt = null;
186 elem = (Element) XMLTools.getNode( element, "deegreecsw:TransactionOutputXSLT", nsc );
187 if ( elem != null ) {
188 transOutXslt = parseOnLineResource( elem );
189 }
190 if ( ( transInXslt != null && transOutXslt == null ) || ( transInXslt == null && transOutXslt != null ) ) {
191 throw new InvalidConfigurationException(
192 "if CSW-deegreeParam "
193 + "'TransactionInputXSLT' is defined 'TransactionOutputXSLT' must "
194 + "be defined too and vice versa!" );
195 }
196
197 // 'deegreecsw:HarvestRepository'-element (optional)
198 Element harvestRepositoryElement = XMLTools.getChildElement( "HarvestRepository", DEEGREECSW, element );
199 JDBCConnection harvestRepository = null;
200 if ( harvestRepositoryElement != null ) {
201 // 'deegreecsw:Connection'-element (optional)
202 Element connectionElement = XMLTools.getChildElement( "Connection", DEEGREECSW,
203 harvestRepositoryElement );
204 if ( connectionElement != null ) {
205 harvestRepository = new JDBCConnection( XMLTools.getRequiredStringValue( "Driver", DEEGREECSW,
206 connectionElement ),
207 XMLTools.getRequiredStringValue( "Logon", DEEGREECSW,
208 connectionElement ),
209 XMLTools.getRequiredStringValue( "User", DEEGREECSW,
210 connectionElement ),
211 XMLTools.getRequiredStringValue( "Password", DEEGREECSW,
212 connectionElement ), null,
213 null, null );
214 }
215 }
216 deegreeParams = new CatalogueDeegreeParams( defaultOnlineResource, cacheSize, requestTimeLimit,
217 characterSet, wfsResource, catalogAddresses, harvestRepository,
218 defaultOutputSchema, transInXslt, transOutXslt );
219 } catch ( XMLParsingException e ) {
220 LOG.logError( e.getMessage(), e );
221 throw new InvalidConfigurationException( "Error parsing the deegreeParams "
222 + "section of the CSW configuration: \n" + e.getMessage()
223 + StringTools.stackTraceToString( e ) );
224 }
225 return deegreeParams;
226 }
227
228 /**
229 * Overwritten to cope with additional deegree CSW specific attributes (used in the
230 * "outputSchema" parameter element).
231 *
232 * @param operation
233 * @param parameterElement
234 * @return OWSDomainType
235 * @throws XMLParsingException
236 *
237 * @see "org.deegree.owscommon.OWSCommonCapabilitiesDocument#getParameter(org.w3c.dom.Element)"
238 */
239 @Override
240 protected OWSDomainType getOWSDomainType( String operation, Element parameterElement )
241 throws XMLParsingException {
242 // "name"-attribute
243 String parameterName = XMLTools.getRequiredAttrValue( "name", null, parameterElement );
244
245 if ( "GetRecords".equals( operation ) && "outputSchema".equals( parameterName ) ) {
246 // "ows:Value"-elements
247 NodeList valueNodes = parameterElement.getElementsByTagNameNS( OWSNS.toString(), "Value" );
248 CatalogueOutputSchemaValue[] values = new CatalogueOutputSchemaValue[valueNodes.getLength()];
249 for ( int i = 0; i < valueNodes.getLength(); i++ ) {
250 String value = XMLTools.getStringValue( valueNodes.item( i ) );
251 String input = XMLTools.getRequiredAttrValue( "input", DEEGREECSW, valueNodes.item( i ) );
252 String output = XMLTools.getRequiredAttrValue( "output", DEEGREECSW, valueNodes.item( i ) );
253 if ( value == null || value.equals( "" ) ) {
254 throw new XMLParsingException( "Missing or empty node '" + value + "'." );
255 }
256 values[i] = new CatalogueOutputSchemaValue( value, input, output );
257 }
258 return new CatalogueOutputSchemaParameter( parameterName, values, null );
259 } else if ( "GetRecords".equals( operation ) && "typeName".equals( parameterName ) ) {
260 NodeList valueNodes = parameterElement.getElementsByTagNameNS( OWSNS.toString(), "Value" );
261 CatalogueTypeNameSchemaValue[] values = new CatalogueTypeNameSchemaValue[valueNodes.getLength()];
262 for ( int i = 0; i < valueNodes.getLength(); i++ ) {
263 String value = XMLTools.getStringValue( valueNodes.item( i ) );
264 String schema = XMLTools.getRequiredAttrValue( "schema", DEEGREECSW, valueNodes.item( i ) );
265 values[i] = new CatalogueTypeNameSchemaValue( value, schema );
266 }
267 return new CatalogueTypeNameSchemaParameter( parameterName, values, null );
268 } else {
269 return super.getOWSDomainType( operation, parameterElement );
270 }
271 }
272 }