001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/ogcwebservices/wms/capabilities/WMSCapabilities.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2008 by:
006     EXSE, 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     Aennchenstr. 19
030     53115 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     ---------------------------------------------------------------------------*/
044    package org.deegree.ogcwebservices.wms.capabilities;
045    
046    import java.util.Collections;
047    import java.util.HashSet;
048    import java.util.LinkedList;
049    import java.util.List;
050    import java.util.Set;
051    
052    import org.deegree.framework.log.ILogger;
053    import org.deegree.framework.log.LoggerFactory;
054    import org.deegree.i18n.Messages;
055    import org.deegree.ogcwebservices.getcapabilities.OGCCapabilities;
056    import org.deegree.owscommon_new.OperationsMetadata;
057    import org.deegree.owscommon_new.ServiceIdentification;
058    import org.deegree.owscommon_new.ServiceProvider;
059    
060    /**
061     * <code>WMSCapabilities</code> is the data class for the WMS version of capabilities. Since WMS
062     * is not yet using the OWS commons implementation, it is more or less just a copy of the old
063     * version.
064     * 
065     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
066     * @version $Revision: 9345 $
067     */
068    public class WMSCapabilities extends OGCCapabilities {
069    
070        private static final long serialVersionUID = -6040994669604563061L;
071    
072        private static final ILogger LOG = LoggerFactory.getLogger( WMSCapabilities.class );
073    
074        private ServiceIdentification serviceIdentification = null;
075    
076        private ServiceProvider serviceProvider = null;
077    
078        private UserDefinedSymbolization userDefinedSymbolization = null;
079    
080        private OperationsMetadata operationMetadata = null;
081    
082        private Layer layer = null;
083    
084        protected List<String> exceptions;
085    
086        /**
087         * constructor initializing the class with the <code>WMSCapabilities</code>
088         * 
089         * @param version
090         * @param updateSequence
091         * @param serviceIdentification
092         * @param serviceProvider
093         * @param metadata
094         * @param layer
095         */
096        protected WMSCapabilities( String version, String updateSequence, ServiceIdentification serviceIdentification,
097                                   ServiceProvider serviceProvider, UserDefinedSymbolization userDefinedSymbolization,
098                                   OperationsMetadata metadata, Layer layer ) {
099            super( version, updateSequence );
100    
101            setServiceProvider( serviceProvider );
102            setServiceIdentification( serviceIdentification );
103            setUserDefinedSymbolization( userDefinedSymbolization );
104            setOperationMetadata( metadata );
105            setLayer( layer );
106            exceptions = new LinkedList<String>();
107            if ( version.equals( "1.3.0" ) ) {
108                exceptions.add( "XML" );
109            } else {
110                exceptions.add( "application/vnd.ogc.se_xml" );
111            }
112        }
113    
114        /**
115         * @param version
116         * @param updateSequence
117         * @param serviceIdentification
118         * @param serviceProvider
119         * @param userDefinedSymbolization
120         * @param metadata
121         * @param layer
122         * @param exceptions
123         */
124        protected WMSCapabilities( String version, String updateSequence, ServiceIdentification serviceIdentification,
125                                   ServiceProvider serviceProvider, UserDefinedSymbolization userDefinedSymbolization,
126                                   OperationsMetadata metadata, Layer layer, List<String> exceptions ) {
127            this( version, updateSequence, serviceIdentification, serviceProvider, userDefinedSymbolization, metadata,
128                  layer );
129            this.exceptions = exceptions;
130        }
131    
132        /**
133         * 
134         * @return the service description section
135         */
136        public ServiceIdentification getServiceIdentification() {
137            return serviceIdentification;
138        }
139    
140        /**
141         * sets the service description section
142         * 
143         * @param serviceIdentification
144         */
145        public void setServiceIdentification( ServiceIdentification serviceIdentification ) {
146            this.serviceIdentification = serviceIdentification;
147        }
148    
149        /**
150         * 
151         * @return the root layer provided by a WMS
152         */
153        public Layer getLayer() {
154            return layer;
155        }
156    
157        /**
158         * 
159         * @param name
160         *            the layer name
161         * @return the layer provided by a WMS, or null, if there is no such layer
162         */
163        public Layer getLayer( String name ) {
164            Layer lay = null;
165            if ( layer.getName() != null && name.equals( layer.getName() ) ) {
166                lay = layer;
167            } else {
168                lay = getLayer( name, layer.getLayer() );
169            }
170            return lay;
171        }
172    
173        /**
174         * recursion over all layers to find the layer that matches the submitted name. If no layer can
175         * be found that fullfills the condition <tt>null</tt> will be returned.
176         * 
177         * @param name
178         *            name of the layer to be found
179         * @param layers
180         *            list of searchable layers
181         * 
182         * @return a layer object or <tt>null</tt>
183         */
184        private Layer getLayer( String name, Layer[] layers ) {
185            Layer lay = null;
186    
187            if ( layers != null ) {
188                for ( int i = 0; i < layers.length; i++ ) {
189                    if ( name.equals( layers[i].getName() ) ) {
190                        lay = layers[i];
191                        break;
192                    }
193                    lay = getLayer( name, layers[i].getLayer() );
194                    if ( lay != null )
195                        break;
196                }
197            }
198    
199            return lay;
200        }
201    
202        /**
203         * returns the
204         * 
205         * @see Layer identified by its title. If no layer matching the passed title can be found
206         *      <code>null</code> will be returned.
207         * 
208         * @param title
209         * @return the layer
210         */
211        public Layer getLayerByTitle( String title ) {
212            Layer lay = null;
213            if ( title.equals( layer.getTitle() ) ) {
214                lay = layer;
215            } else {
216                lay = getLayerByTitle( title, layer.getLayer() );
217            }
218            return lay;
219        }
220    
221        /**
222         * recursion over all layers to find the layer that matches the passed title. If no layer can be
223         * found that fullfills the condition <tt>null</tt> will be returned.
224         * 
225         * @param name
226         *            name of the layer to be found
227         * @param layers
228         *            list of searchable layers
229         * 
230         * @return a layer object or <tt>null</tt>
231         */
232        private Layer getLayerByTitle( String title, Layer[] layers ) {
233            Layer lay = null;
234    
235            if ( layers != null ) {
236                for ( int i = 0; i < layers.length; i++ ) {
237                    if ( title.equals( layers[i].getTitle() ) ) {
238                        lay = layers[i];
239                        break;
240                    }
241                    lay = getLayer( title, layers[i].getLayer() );
242                    if ( lay != null )
243                        break;
244                }
245            }
246    
247            return lay;
248        }
249    
250        /**
251         * @param layer
252         * @param layers
253         * @return a layer name, if a layer has been defined two times with the same name, null
254         *         otherwise
255         */
256        public static String hasDoubleLayers( Layer layer, Set<String> layers ) {
257    
258            if ( layers.contains( layer.getName() ) ) {
259                return layer.getName();
260            }
261    
262            layers.add( layer.getName() );
263    
264            for ( Layer lay : layer.getLayer() ) {
265                String dl = hasDoubleLayers( lay, layers );
266                if ( dl != null ) {
267                    return dl;
268                }
269            }
270            return null;
271    
272        }
273    
274        /**
275         * sets the root layer provided by a WMS
276         * 
277         * @param layer
278         */
279        public void setLayer( Layer layer ) {
280            String dl = hasDoubleLayers( layer, new HashSet<String>() );
281            if ( dl != null ) {
282                LOG.logWarning( Messages.getMessage( "WMS_REDEFINED_LAYER", dl ) );
283                // throw new IllegalArgumentException( Messages.getMessage( "WMS_REDEFINED_LAYER", dl )
284                // );
285            }
286            this.layer = layer;
287        }
288    
289        /**
290         * 
291         * @return metadata about the offered access methods like GetMap or GetCapabilities
292         */
293        public OperationsMetadata getOperationMetadata() {
294            return operationMetadata;
295        }
296    
297        /**
298         * sets metadata for the offered access methods like GetMap or GetCapabiliites
299         * 
300         * @param operationMetadata
301         */
302        public void setOperationMetadata( OperationsMetadata operationMetadata ) {
303            this.operationMetadata = operationMetadata;
304        }
305    
306        /**
307         * @return the list of exceptions
308         */
309        public List<String> getExceptions() {
310            return Collections.unmodifiableList( exceptions );
311        }
312    
313        /**
314         * 
315         * @return informations about the provider of a WMS
316         */
317        public ServiceProvider getServiceProvider() {
318            return serviceProvider;
319        }
320    
321        /**
322         * sets informations about the provider of a WMS
323         * 
324         * @param serviceProvider
325         */
326        public void setServiceProvider( ServiceProvider serviceProvider ) {
327            this.serviceProvider = serviceProvider;
328        }
329    
330        /**
331         * @return the user defined symbolization
332         */
333        public UserDefinedSymbolization getUserDefinedSymbolization() {
334            return userDefinedSymbolization;
335        }
336    
337        /**
338         * @param userDefinedSymbolization
339         */
340        public void setUserDefinedSymbolization( UserDefinedSymbolization userDefinedSymbolization ) {
341            this.userDefinedSymbolization = userDefinedSymbolization;
342        }
343    }