001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/ogcwebservices/sos/SOService.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.sos;
037
038 import java.io.IOException;
039
040 import javax.xml.transform.TransformerException;
041
042 import org.deegree.framework.log.ILogger;
043 import org.deegree.framework.log.LoggerFactory;
044 import org.deegree.framework.trigger.TriggerProvider;
045 import org.deegree.framework.xml.XMLParsingException;
046 import org.deegree.ogcwebservices.InvalidParameterValueException;
047 import org.deegree.ogcwebservices.OGCWebService;
048 import org.deegree.ogcwebservices.OGCWebServiceException;
049 import org.deegree.ogcwebservices.OGCWebServiceRequest;
050 import org.deegree.ogcwebservices.getcapabilities.OGCCapabilities;
051 import org.deegree.ogcwebservices.sos.capabilities.SOSGetCapabilities;
052 import org.deegree.ogcwebservices.sos.configuration.SOSConfiguration;
053 import org.deegree.ogcwebservices.sos.configuration.SOSDeegreeParams;
054 import org.deegree.ogcwebservices.sos.describeplatform.DescribePlatformRequest;
055 import org.deegree.ogcwebservices.sos.describeplatform.DescribePlatformResult;
056 import org.deegree.ogcwebservices.sos.describeplatform.PlatformDescriptionDocument;
057 import org.deegree.ogcwebservices.sos.describeplatform.PlatformMetadata;
058 import org.deegree.ogcwebservices.sos.describesensor.DescribeSensorRequest;
059 import org.deegree.ogcwebservices.sos.describesensor.DescribeSensorResult;
060 import org.deegree.ogcwebservices.sos.describesensor.SensorDescriptionDocument;
061 import org.deegree.ogcwebservices.sos.describesensor.SensorMetadata;
062 import org.deegree.ogcwebservices.sos.getobservation.GetObservationDocument;
063 import org.deegree.ogcwebservices.sos.getobservation.GetObservationRequest;
064 import org.deegree.ogcwebservices.sos.getobservation.GetObservationResult;
065 import org.deegree.ogcwebservices.sos.om.ObservationArray;
066 import org.xml.sax.SAXException;
067
068 /**
069 * @author <a href="mailto:mkulbe@lat-lon.de">Matthias Kulbe </a>
070 * @author last edited by: $Author: mschneider $
071 *
072 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
073 */
074 public class SOService implements OGCWebService {
075
076 private SOSConfiguration serviceConfiguration;
077
078 private static final ILogger LOG = LoggerFactory.getLogger( SOService.class );
079
080 private static final TriggerProvider TP = TriggerProvider.create( SOService.class );
081
082 /**
083 * static create method to create a new instance of the SCService
084 *
085 * @param scsConfiguration
086 * @return the new instance
087 *
088 */
089 public static SOService create( SOSConfiguration scsConfiguration ) {
090 return new SOService( scsConfiguration );
091
092 }
093
094 /**
095 * privater constructor to construct a new SCService instance with the configuration as the only
096 * parameter
097 *
098 * @param scsConfiguration
099 *
100 */
101 private SOService( SOSConfiguration scsConfiguration ) {
102 this.serviceConfiguration = scsConfiguration;
103 }
104
105 /**
106 * returns the ServiceTypeId from the ServiceIdentification section of the configuration
107 *
108 * @return the ServiceTypeId from the ServiceIdentification section of the configuration
109 */
110 public String getServiceTypeId() {
111 return this.serviceConfiguration.getServiceIdentification().getServiceType().getCode();
112
113 }
114
115 /**
116 * returns the Version from the configuration
117 *
118 * @return the Version from the configuration
119 */
120 public String getVersion() {
121 return serviceConfiguration.getVersion();
122 }
123
124 /**
125 * returns the serviceConfiguration
126 *
127 * @return the serviceConfiguration
128 */
129 public OGCCapabilities getCapabilities() {
130 return this.serviceConfiguration;
131 }
132
133 /**
134 * checks the request and do service
135 *
136 * @throws OGCWebServiceException
137 */
138 public Object doService( OGCWebServiceRequest request )
139 throws OGCWebServiceException {
140
141 request = (OGCWebServiceRequest) TP.doPreTrigger( this, request )[0];
142
143 Object response = null;
144 try {
145 if ( request instanceof SOSGetCapabilities ) {
146 LOG.logDebug( "-> GetCapabilities received" );
147 response = this.getCapabilities();
148 } else if ( request instanceof DescribePlatformRequest ) {
149 LOG.logDebug( "-> DescribePlatform received" );
150 response = this.describePlatform( (DescribePlatformRequest) request );
151 } else if ( request instanceof DescribeSensorRequest ) {
152 LOG.logDebug( "-> DescribeSensor received" );
153 response = this.describeSensor( (DescribeSensorRequest) request );
154 } else if ( request instanceof GetObservationRequest ) {
155 LOG.logDebug( "-> GetObservation received" );
156 response = this.getObservation( (GetObservationRequest) request );
157 } else {
158 throw new InvalidParameterValueException( "not a valid scs request" );
159 }
160 } catch ( Exception e ) {
161 LOG.logError( e.getMessage(), e );
162 throw new OGCWebServiceException( "SOS Failure\n" + e.getMessage() );
163 }
164
165 return TP.doPostTrigger( this, response )[0];
166 }
167
168 /**
169 * returns a DescribePlatformResult
170 *
171 * @param request
172 * @return a DescribePlatformResult
173 * @throws InvalidParameterValueException
174 * @throws OGCWebServiceException
175 */
176 private DescribePlatformResult describePlatform( DescribePlatformRequest request )
177 throws InvalidParameterValueException, OGCWebServiceException {
178
179 // validate the requested platforms
180 String[] types = request.getTypeNames();
181
182 for ( int i = 0; i < types.length; i++ ) {
183 if ( serviceConfiguration.getSOSDeegreeParams().getPlatformConfiguration( types[i] ) == null ) {
184 throw new OGCWebServiceException( "InvalidParameterValueException: Platform '" + types[i]
185 + "' not found" );
186 }
187 }
188
189 PlatformDescriptionDocument pdd = new PlatformDescriptionDocument();
190 PlatformMetadata[] pm = pdd.getPlatform( serviceConfiguration.getSOSDeegreeParams(), types );
191
192 return new DescribePlatformResult( request, pm );
193 }
194
195 /**
196 * returns a DescribeSensorResult
197 *
198 * @param request
199 * @return a DescribeSensorResult
200 * @throws InvalidParameterValueException
201 * @throws OGCWebServiceException
202 */
203 private DescribeSensorResult describeSensor( DescribeSensorRequest request )
204 throws InvalidParameterValueException, OGCWebServiceException {
205
206 // validate the requested sensors
207 String[] types = request.getTypeNames();
208
209 for ( int i = 0; i < types.length; i++ ) {
210 if ( serviceConfiguration.getSOSDeegreeParams().getSensorConfiguration( types[i] ) == null ) {
211 throw new OGCWebServiceException( "InvalidParameterValueException: Sensor '" + types[i] + "' not found" );
212 }
213 }
214
215 SensorDescriptionDocument sdd = new SensorDescriptionDocument();
216 SensorMetadata[] sensors = sdd.getSensor( serviceConfiguration.getSOSDeegreeParams(), request.getTypeNames() );
217 return new DescribeSensorResult( request, sensors );
218
219 }
220
221 /**
222 * returns a GetObservationResult
223 *
224 * @param request
225 * @return a GetObservationResult
226 * @throws OGCWebServiceException
227 * @throws XMLParsingException
228 * @throws IOException
229 * @throws SAXException
230 * @throws TransformerException
231 */
232 private GetObservationResult getObservation( GetObservationRequest request )
233 throws OGCWebServiceException, XMLParsingException, TransformerException, IOException,
234 SAXException {
235
236 SOSDeegreeParams dp = serviceConfiguration.getSOSDeegreeParams();
237
238 // validate the requested platforms
239 String[] platforms = request.getPlatforms();
240 for ( int i = 0; i < platforms.length; i++ ) {
241 if ( dp.getPlatformConfiguration( platforms[i] ) == null ) {
242 throw new OGCWebServiceException( "InvalidParameterValueException: Platform '" + platforms[i]
243 + "' not found" );
244 }
245 }
246
247 // validate the requested sensors
248 String[] sensors = request.getSensors();
249 for ( int i = 0; i < sensors.length; i++ ) {
250 if ( dp.getSensorConfiguration( sensors[i] ) == null ) {
251 throw new OGCWebServiceException( "InvalidParameterValueException: Sensor '" + sensors[i]
252 + "' not found" );
253 }
254 }
255
256 GetObservationDocument god = new GetObservationDocument();
257 ObservationArray[] obAr = god.getObservations( serviceConfiguration.getSOSDeegreeParams(), request );
258 return new GetObservationResult( request, obAr );
259 }
260 }