001    //$HeadURL: $
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    
037    package org.deegree.ogcwebservices.wcts.data;
038    
039    import java.util.List;
040    
041    import javax.vecmath.Point3d;
042    
043    import org.deegree.crs.transformations.Transformation;
044    import org.deegree.model.crs.CoordinateSystem;
045    import org.deegree.model.crs.GeoTransformer;
046    import org.deegree.model.spatialschema.Geometry;
047    import org.deegree.ogcwebservices.OGCWebServiceException;
048    
049    /**
050     * <code>TransformableData</code> defines the interface for different kinds of Data, which can be transformed.
051     *
052     * @author <a href="mailto:bezema@lat-lon.de">Rutger Bezema</a>
053     *
054     * @author last edited by: $Author:$
055     *
056     * @version $Revision:$, $Date:$
057     * @param <T>
058     *            the type of data.
059     *
060     */
061    public abstract class TransformableData<T> {
062    
063        /**
064         * This function should implement the transforming of the underlying data.
065         *
066         * @param sourceCRS
067         *            of the incoming points
068         * @param targetCRS
069         *            of the outgoing points
070         *
071         * @param enableLogging
072         *            if true the implementing class should log all transformations.
073         * @throws OGCWebServiceException
074         *             if an exception occurs while transforming.
075         */
076        public abstract void doTransform( CoordinateSystem sourceCRS, CoordinateSystem targetCRS, boolean enableLogging )
077                                throws OGCWebServiceException;
078    
079        /**
080         * This function should implement the transforming of the underlying data.
081         *
082         * @param transformation
083         *            to use for the transform.
084         *
085         * @param enableLogging
086         *            if true the implementing class should log all transformations.
087         * @throws OGCWebServiceException
088         *             if an exception occurs while transforming.
089         */
090        public abstract void doTransform( Transformation transformation, boolean enableLogging )
091                                throws OGCWebServiceException;
092    
093        /**
094         * @param targetCRS
095         *            to get the {@link GeoTransformer} for.
096         * @return a new GeoTransformer instance initialized with the targetCRS.
097         */
098        public final GeoTransformer getGeotransformer( CoordinateSystem targetCRS ) {
099            return new GeoTransformer( targetCRS );
100        }
101    
102        /**
103         * @param transformation
104         *            to get the {@link GeoTransformer} for.
105         * @return a new GeoTransformer instance initialized with the targetCRS.
106         */
107        public final GeoTransformer getGeotransformer( Transformation transformation ) {
108            return new GeoTransformer( transformation );
109        }
110    
111        /**
112         * @return the transformed data as a list of the overriding class implementation, for example {@link Geometry}
113         *         (GeometyData), or {@link Point3d} (SimpleData).
114         */
115        public abstract List<T> getTransformedData();
116    
117    }