001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/model/feature/AbstractFeatureCollection.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    package org.deegree.model.feature;
044    
045    import org.deegree.datatypes.QualifiedName;
046    import org.deegree.datatypes.Types;
047    import org.deegree.datatypes.UnknownTypeException;
048    import org.deegree.framework.log.ILogger;
049    import org.deegree.framework.log.LoggerFactory;
050    import org.deegree.model.feature.schema.PropertyType;
051    import org.deegree.model.spatialschema.Geometry;
052    import org.deegree.model.spatialschema.GeometryFactory;
053    import org.deegree.ogcbase.CommonNamespaces;
054    
055    /**
056     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
057     * @author last edited by: $Author: apoth $
058     * 
059     * @version $Revision: 9343 $, $Date: 2007-12-27 14:30:32 +0100 (Do, 27 Dez 2007) $
060     */
061    public abstract class AbstractFeatureCollection extends AbstractFeature implements FeatureCollection {
062    
063        private static final ILogger LOG = LoggerFactory.getLogger( AbstractFeatureCollection.class );
064    
065        /**
066         * @param id
067         */
068        public AbstractFeatureCollection( String id ) {
069            super( id, null );
070    
071            PropertyType[] ftp = new PropertyType[1];
072            QualifiedName name = null;
073    
074            try {
075                ftp[0] = FeatureFactory.createPropertyType( new QualifiedName( "features" ),
076                                                            Types.FEATURE_ARRAY_PROPERTY_NAME, true );
077                name = new QualifiedName( CommonNamespaces.WFS_PREFIX, "FeatureCollection", CommonNamespaces.WFSNS );
078            } catch ( UnknownTypeException e ) {
079                LOG.logError( "Unreachable point reached.", e );
080            }
081            this.featureType = FeatureFactory.createFeatureType( name, false, ftp );
082    
083        }
084    
085        /**
086         * returns a Point with position 0/0 and no CRS
087         * 
088         * @return a geometry
089         */
090        public Geometry getDefaultGeometryPropertyValue() {
091            return GeometryFactory.createPoint( 0, 0, null );
092        }
093    
094        /**
095         * returns the value of a feature collection geometry properties
096         * 
097         * @return array of all geometry property values
098         */
099        public Geometry[] getGeometryPropertyValues() {
100            return new Geometry[0];
101        }
102    
103        /**
104         * returns all properties of a feature collection
105         * 
106         * @return all properties of a feature
107         */
108        public FeatureProperty[] getProperties() {
109            return new FeatureProperty[0];
110        }
111    
112        /**
113         * returns the properties of a feature collection at the passed index position
114         * 
115         * @param index
116         * @return properties at the passed index position
117         */
118        public FeatureProperty[] getProperties( int index ) {
119            // TODO
120            // a FeatureCollection may also have properties?
121            return null;
122        }
123    
124        /**
125         * returns the default property of a feature collection with the passed name
126         * 
127         * @param name
128         * @return named default property
129         */
130        public FeatureProperty getDefaultProperty( QualifiedName name ) {
131            // TODO
132            // a FeatureCollection may also have properties?
133            return null;
134        }
135    
136        /**
137         * returns the named properties of a feature collection
138         * 
139         * @param name
140         * @return named properties
141         */
142        public FeatureProperty[] getProperties( QualifiedName name ) {
143            // TODO
144            // a FeatureCollection may also have properties?
145            return null;
146        }
147    
148        /**
149         * sets a property of a feature collection.<br>
150         * !!! this method is not implemented yet !!!
151         * 
152         * @param property
153         */
154        public void setProperty( FeatureProperty property ) {
155            // TODO
156            // a FeatureCollection may also have properties?
157        }
158    
159        /**
160         * @see org.deegree.model.feature.FeatureCollection#addAll(org.deegree.model.feature.Feature[])
161         */
162        public void addAll( Feature[] feature ) {
163            for ( int i = 0; i < feature.length; i++ ) {
164                add( feature[i] );
165            }
166        }
167    
168        /**
169         * @see org.deegree.model.feature.FeatureCollection#addAll(org.deegree.model.feature.FeatureCollection)
170         */
171        public void addAll( FeatureCollection fc ) {
172            int size = fc.size();
173            for ( int i = 0; i < size; i++ ) {
174                add( fc.getFeature( i ) );
175            }
176        }
177    
178        /**
179         * removes a feature identified by its ID from the feature collection. If no feature with the
180         * passed ID is available nothing happens and <tt>null</tt> will be returned
181         * 
182         * @param id
183         * @return
184         */
185        public Feature remove( String id ) {
186            Feature feat = getFeature( id );
187            return remove( feat );
188        }
189    
190    }