    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/model/feature/AbstractFeatureCollection.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.model.feature;
    037
    038    import org.deegree.datatypes.QualifiedName;
    039    import org.deegree.datatypes.Types;
    040    import org.deegree.datatypes.UnknownTypeException;
    041    import org.deegree.framework.log.ILogger;
    042    import org.deegree.framework.log.LoggerFactory;
    043    import org.deegree.model.feature.schema.PropertyType;
    044    import org.deegree.model.spatialschema.Geometry;
    045    import org.deegree.model.spatialschema.GeometryFactory;
    046    import org.deegree.ogcbase.CommonNamespaces;
    047
    048    /**
    049     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
    050     * @author last edited by: $Author: apoth $
    051     *
    052     * @version $Revision: 19466 $, $Date: 2009-09-01 17:38:59 +0200 (Di, 01. Sep 2009) $
    053     */
    054    public abstract class AbstractFeatureCollection extends AbstractFeature implements FeatureCollection {
    055
    056        private static final ILogger LOG = LoggerFactory.getLogger( AbstractFeatureCollection.class );
    057
    058        /**
    059         * @param id
    060         */
    061        public AbstractFeatureCollection( String id ) {
    062            this( id, null );
    063        }
    064
    065        /**
    066         * @param id
    067         * @param name
    068         *            of the feature collection if <code>null</code> it will be set to wfs:FeatureCollection
    069         */
    070        public AbstractFeatureCollection( String id, QualifiedName name ) {
    071            super( id, null );
    072
    073            PropertyType[] ftp = new PropertyType[1];
    074            if ( name == null ) {
    075                name = new QualifiedName( CommonNamespaces.WFS_PREFIX, "FeatureCollection", CommonNamespaces.WFSNS );
    076            }
    077            try {
    078                ftp[0] = FeatureFactory.createPropertyType( new QualifiedName( "features" ),
    079                                                            Types.FEATURE_ARRAY_PROPERTY_NAME, true );
    080            } catch ( UnknownTypeException e ) {
    081                LOG.logError( "Unreachable point reached.", e );
    082            }
    083            this.featureType = FeatureFactory.createFeatureType( name, false, ftp );
    084
    085        }
    086
    087        /**
    088         * returns a Point with position 0/0 and no CRS
    089         *
    090         * @return a geometry
    091         */
    092        public Geometry getDefaultGeometryPropertyValue() {
    093            return GeometryFactory.createPoint( 0, 0, null );
    094        }
    095
    096        /**
    097         * returns the value of a feature collection geometry properties
    098         *
    099         * @return array of all geometry property values
    100         */
    101        public Geometry[] getGeometryPropertyValues() {
    102            return new Geometry[0];
    103        }
    104
    105        /**
    106         * returns all properties of a feature collection
    107         *
    108         * @return all properties of a feature
    109         */
    110        public FeatureProperty[] getProperties() {
    111            return new FeatureProperty[0];
    112        }
    113
    114        /**
    115         * returns the properties of a feature collection at the passed index position
    116         *
    117         * @param index
    118         * @return properties at the passed index position
    119         */
    120        public FeatureProperty[] getProperties( int index ) {
    121            // TODO
    122            // a FeatureCollection may also have properties?
    123            return null;
    124        }
    125
    126        /**
    127         * returns the default property of a feature collection with the passed name
    128         *
    129         * @param name
    130         * @return named default property
    131         */
    132        public FeatureProperty getDefaultProperty( QualifiedName name ) {
    133            // TODO
    134            // a FeatureCollection may also have properties?
    135            return null;
    136        }
    137
    138        /**
    139         * returns the named properties of a feature collection
    140         *
    141         * @param name
    142         * @return named properties
    143         */
    144        public FeatureProperty[] getProperties( QualifiedName name ) {
    145            // TODO
    146            // a FeatureCollection may also have properties?
    147            return null;
    148        }
    149
    150        /**
    151         * sets a property of a feature collection.<br>
    152         * !!! this method is not implemented yet !!!
    153         *
    154         * @param property
    155         */
    156        public void setProperty( FeatureProperty property ) {
    157            // TODO
    158            // a FeatureCollection may also have properties?
    159        }
    160
    161        /**
    162         * @see org.deegree.model.feature.FeatureCollection#addAll(org.deegree.model.feature.Feature[])
    163         */
    164        @Deprecated
    165        public void addAll( Feature[] feature ) {
    166            for ( int i = 0; i < feature.length; i++ ) {
    167                add( feature[i] );
    168            }
    169        }
    170
    171        public void addAllUncontained( Feature[] feature ) {
    172            for ( int i = 0; i < feature.length; i++ ) {
    173                if ( feature[i] != getFeature( feature[i].getId() ) ) {
    174                    add( feature[i] );
    175                }
    176            }
    177        }
    178
    179        /**
    180         * @see org.deegree.model.feature.FeatureCollection#addAll(org.deegree.model.feature.FeatureCollection)
    181         */
    182        @Deprecated
    183        public void addAll( FeatureCollection fc ) {
    184            int size = fc.size();
    185            for ( int i = 0; i < size; i++ ) {
    186                add( fc.getFeature( i ) );
    187            }
    188        }
    189
    190        public void addAllUncontained( FeatureCollection fc ) {
    191            int size = fc.size();
    192            for ( int i = 0; i < size; i++ ) {
    193                Feature f = fc.getFeature( i );
    194                Feature f2 = getFeature( f.getId() );
    195                if ( f2 == null || !f2.getId().equals( f.getId() ) ) {
    196                    add( f );
    197                }
    198            }
    199        }
    200
    201        /**
    202         * removes a feature identified by its ID from the feature collection. If no feature with the passed ID is available
    203         * nothing happens and <tt>null</tt> will be returned
    204         *
    205         * @param id
    206         * @return the removed feature
    207         */
    208        public Feature remove( String id ) {
    209            Feature feat = getFeature( id );
    210            return remove( feat );
    211        }
    212
    213    }