001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/ogcwebservices/wfs/operation/GetFeatureWithLock.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.wfs.operation;
037
038 import java.util.Map;
039
040 import org.deegree.datatypes.QualifiedName;
041 import org.deegree.framework.log.ILogger;
042 import org.deegree.framework.log.LoggerFactory;
043 import org.deegree.framework.util.KVP2Map;
044 import org.deegree.i18n.Messages;
045 import org.deegree.model.filterencoding.Filter;
046 import org.deegree.ogcbase.PropertyPath;
047 import org.deegree.ogcbase.SortProperty;
048 import org.deegree.ogcwebservices.InconsistentRequestException;
049 import org.deegree.ogcwebservices.InvalidParameterValueException;
050 import org.deegree.ogcwebservices.MissingParameterValueException;
051 import org.deegree.ogcwebservices.OGCWebServiceException;
052 import org.deegree.ogcwebservices.wfs.operation.LockFeature.ALL_SOME_TYPE;
053 import org.w3c.dom.Element;
054
055 /**
056 * Represents a <code>GetFeatureWithLock</code> request to a web feature service.
057 * <p>
058 * This is identical to a {@link GetFeature} request, except that the features matching the request will also be locked.
059 *
060 * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider</a>
061 * @author last edited by: $Author: mschneider $
062 *
063 * @version $Revision: 18195 $
064 */
065 public class GetFeatureWithLock extends GetFeature {
066
067 private static final ILogger LOG = LoggerFactory.getLogger( GetFeatureWithLock.class );
068
069 private static final long serialVersionUID = 8885456550385437651L;
070
071 /** Duration until timeout (in milliseconds). */
072 private long expiry;
073
074 private ALL_SOME_TYPE lockAction;
075
076 /**
077 * Creates a new <code>GetFeatureWithLock</code> instance.
078 *
079 * @param version
080 * request version
081 * @param id
082 * id of the request
083 * @param handle
084 * @param resultType
085 * desired result type (results | hits)
086 * @param outputFormat
087 * requested result format
088 * @param maxFeatures
089 * @param startPosition
090 * deegree specific parameter defining where to start considering features
091 * @param traverseXLinkDepth
092 * @param traverseXLinkExpiry
093 * @param queries
094 * @param vendorSpecificParam
095 * @param expiry
096 * the limit on how long the web feature service keeps the lock (in milliseconds)
097 * @param lockAction
098 * method for lock acquisition
099 */
100 GetFeatureWithLock( String version, String id, String handle, RESULT_TYPE resultType, String outputFormat,
101 int maxFeatures, int startPosition, int traverseXLinkDepth, int traverseXLinkExpiry,
102 Query[] queries, Map<String, String> vendorSpecificParam, long expiry, ALL_SOME_TYPE lockAction ) {
103 super( version, id, handle, resultType, outputFormat, maxFeatures, startPosition, traverseXLinkDepth,
104 traverseXLinkExpiry, queries, vendorSpecificParam );
105 this.expiry = expiry;
106 this.lockAction = lockAction;
107 }
108
109 /**
110 * Creates a new <code>GetFeatureWithLock</code> instance from the given parameters.
111 *
112 * @param version
113 * request version
114 * @param id
115 * id of the request
116 * @param handle
117 * @param resultType
118 * desired result type (results | hits)
119 * @param outputFormat
120 * requested result format
121 * @param maxFeatures
122 * @param startPosition
123 * deegree specific parameter defining where to start considering features
124 * @param traverseXLinkDepth
125 * @param traverseXLinkExpiry
126 * @param queries
127 * @param vendorSpecificParam
128 * @param expiry
129 * the limit on how long the web feature service keeps the lock (in milliseconds)
130 * @param lockAction
131 * method for lock acquisition
132 * @return new <code>GetFeatureWithLock</code> request
133 */
134 public static GetFeatureWithLock create( String version, String id, String handle, RESULT_TYPE resultType,
135 String outputFormat, int maxFeatures, int startPosition,
136 int traverseXLinkDepth, int traverseXLinkExpiry, Query[] queries,
137 Map<String, String> vendorSpecificParam, long expiry,
138 ALL_SOME_TYPE lockAction ) {
139 return new GetFeatureWithLock( version, id, handle, resultType, outputFormat, maxFeatures, startPosition,
140 traverseXLinkDepth, traverseXLinkExpiry, queries, vendorSpecificParam, expiry,
141 lockAction );
142 }
143
144 /**
145 * Creates a new <code>GetFeatureWithLock</code> instance from a document that contains the DOM representation of
146 * the request.
147 *
148 * @param id
149 * of the request
150 * @param root
151 * element that contains the DOM representation of the request
152 * @return new <code>GetFeatureWithLock</code> request
153 * @throws OGCWebServiceException
154 */
155 public static GetFeatureWithLock create( String id, Element root )
156 throws OGCWebServiceException {
157 GetFeatureWithLockDocument doc = new GetFeatureWithLockDocument();
158 doc.setRootElement( root );
159 GetFeatureWithLock request;
160 try {
161 request = doc.parse( id );
162 } catch ( Exception e ) {
163 LOG.logError( e.getMessage(), e );
164 throw new OGCWebServiceException( "GetFeatureWithLock", e.getMessage() );
165 }
166 return request;
167 }
168
169 /**
170 * Creates a new <code>GetFeatureWithLock</code> instance from the given key-value pair encoded request.
171 *
172 * @param id
173 * request identifier
174 * @param request
175 * @return new <code>GetFeatureWithLock</code> request
176 * @throws InvalidParameterValueException
177 * @throws InconsistentRequestException
178 * @throws MissingParameterValueException
179 */
180 public static GetFeatureWithLock create( String id, String request )
181 throws InconsistentRequestException, InvalidParameterValueException,
182 MissingParameterValueException {
183 Map<String, String> map = KVP2Map.toMap( request );
184 map.put( "ID", id );
185 return create( map );
186 }
187
188 /**
189 * Creates a new <code>GetFeatureWithLock</code> request from the given map.
190 *
191 * @param kvp
192 * key-value pairs, keys have to be uppercase
193 * @return new <code>GetFeatureWithLock</code> request
194 * @throws InconsistentRequestException
195 * @throws InvalidParameterValueException
196 * @throws MissingParameterValueException
197 */
198 public static GetFeatureWithLock create( Map<String, String> kvp )
199 throws InconsistentRequestException, InvalidParameterValueException,
200 MissingParameterValueException {
201
202 // SERVICE
203 checkServiceParameter( kvp );
204
205 // ID (deegree specific)
206 String id = kvp.get( "ID" );
207
208 // VERSION
209 String version = checkVersionParameter( kvp );
210
211 // OUTPUTFORMAT
212 String outputFormat = getParam( "OUTPUTFORMAT", kvp, version.equals( "1.0.0" ) ? FORMAT_GML2_WFS100
213 : FORMAT_GML3 );
214
215 // RESULTTYPE
216 RESULT_TYPE resultType = RESULT_TYPE.RESULTS;
217 String resultTypeString = kvp.get( "RESULTTYPE" );
218 if ( "hits".equals( resultTypeString ) ) {
219 resultType = RESULT_TYPE.HITS;
220 }
221
222 // FEATUREVERSION
223 String featureVersion = kvp.get( "FEATUREVERSION" );
224
225 // MAXFEATURES
226 String maxFeaturesString = kvp.get( "MAXFEATURES" );
227 // -1: fetch all features
228 int maxFeatures = -1;
229 if ( maxFeaturesString != null ) {
230 try {
231 maxFeatures = Integer.parseInt( maxFeaturesString );
232 if ( maxFeatures < 1 ) {
233 throw new NumberFormatException();
234 }
235 } catch ( NumberFormatException e ) {
236 LOG.logError( e.getMessage(), e );
237 String msg = Messages.getMessage( "WFS_PARAMETER_INVALID_INT", maxFeaturesString, "MAXFEATURES" );
238 throw new InvalidParameterValueException( msg );
239 }
240 }
241
242 // STARTPOSITION (deegree specific)
243 String startPosString = getParam( "STARTPOSITION", kvp, "1" );
244 int startPosition = 1;
245 try {
246 startPosition = Integer.parseInt( startPosString );
247 if ( startPosition < 1 ) {
248 throw new NumberFormatException();
249 }
250 } catch ( NumberFormatException e ) {
251 LOG.logError( e.getMessage(), e );
252 String msg = Messages.getMessage( "WFS_PARAMETER_INVALID_INT", startPosString, "STARTPOSITION" );
253 throw new InvalidParameterValueException( msg );
254 }
255
256 // SRSNAME
257 String srsName = kvp.get( "SRSNAME" );
258
259 // TYPENAME
260 QualifiedName[] typeNames = extractTypeNames( kvp );
261 if ( typeNames == null ) {
262 // no TYPENAME parameter -> FEATUREID must be present
263 String featureId = kvp.get( "FEATUREID" );
264 if ( featureId != null ) {
265 String msg = Messages.getMessage( "WFS_FEATUREID_PARAM_UNSUPPORTED" );
266 throw new InvalidParameterValueException( msg );
267 }
268 String msg = Messages.getMessage( "WFS_TYPENAME+FID_PARAMS_MISSING" );
269 throw new InvalidParameterValueException( msg );
270 }
271
272 // BBOX
273 Filter bboxFilter = extractBBOXFilter( kvp );
274
275 // FILTER (prequisite: TYPENAME)
276 Map<QualifiedName, Filter> filterMap = extractFilters( kvp, typeNames );
277 if ( bboxFilter != null && filterMap.size() > 0 ) {
278 String msg = Messages.getMessage( "WFS_BBOX_FILTER_INVALID" );
279 throw new InvalidParameterValueException( msg );
280 }
281
282 // PROPERTYNAME
283 Map<QualifiedName, PropertyPath[]> propertyNameMap = extractPropNames( kvp, typeNames );
284
285 // SORTBY
286 SortProperty[] sortProperties = null;
287
288 // TRAVERSEXLINKDEPTH
289 int traverseXLinkDepth = -1;
290
291 // TRAVERSEXLINKEXPIRY
292 int traverseXLinkExpiry = -1;
293
294 // build a Query instance for each requested feature type (later also for each featureid...)
295 Query[] queries = new Query[typeNames.length];
296 for ( int i = 0; i < queries.length; i++ ) {
297 QualifiedName ftName = typeNames[i];
298 PropertyPath[] properties = propertyNameMap.get( ftName );
299 Filter filter;
300 if ( bboxFilter != null ) {
301 filter = bboxFilter;
302 } else {
303 filter = filterMap.get( ftName );
304 }
305 QualifiedName[] ftNames = new QualifiedName[] { ftName };
306 queries[i] = new Query( properties, null, sortProperties, null, featureVersion, ftNames, null, srsName,
307 filter, resultType, maxFeatures, startPosition );
308 }
309
310 // EXPIRY
311 String expiryString = getParam( "EXPIRY", kvp, LockFeature.DEFAULT_EXPIRY );
312 int expiry = 0;
313 try {
314 expiry = Integer.parseInt( expiryString );
315 if ( expiry < 1 ) {
316 throw new NumberFormatException();
317 }
318 } catch ( NumberFormatException e ) {
319 String msg = Messages.getMessage( "WFS_PARAMETER_INVALID_INT", expiryString, "EXPIRY" );
320 throw new InvalidParameterValueException( msg );
321 }
322
323 // LOCKACTION
324 String lockActionString = getParam( "LOCKACTION", kvp, "ALL" );
325 ALL_SOME_TYPE lockAction = LockFeature.validateLockAction( lockActionString );
326
327 // build a GetFeatureLock request that contains all queries
328 GetFeatureWithLock request = new GetFeatureWithLock( version, id, null, resultType, outputFormat, maxFeatures,
329 startPosition, traverseXLinkDepth, traverseXLinkExpiry,
330 queries, kvp, expiry, lockAction );
331 return request;
332 }
333
334 /**
335 * Returns the limit on how long the web feature service holds the lock in the event that a transaction is never
336 * issued that would release the lock. The expiry limit is specified in milliseconds.
337 *
338 * @return the limit on how long the web feature service holds the lock (in milliseconds)
339 */
340 public long getExpiry() {
341 return this.expiry;
342 }
343
344 /**
345 * Returns the mode for lock acquisition.
346 *
347 * @see ALL_SOME_TYPE
348 *
349 * @return the mode for lock acquisition
350 */
351 public ALL_SOME_TYPE getLockAction() {
352 return this.lockAction;
353 }
354 }