    001    //$HeadURL: svn+ssh://developername@svn.wald.intevation.org/deegree/base/trunk/resources/eclipse/files_template.xml $
    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.wms.dataaccess;
    038
    039    import java.awt.image.BufferedImage;
    040    import java.io.IOException;
    041    import java.io.InputStream;
    042    import java.net.URL;
    043    import java.util.Properties;
    044    import java.util.UUID;
    045
    046    import org.deegree.datatypes.QualifiedName;
    047    import org.deegree.datatypes.Types;
    048    import org.deegree.framework.util.IDGenerator;
    049    import org.deegree.framework.util.StringTools;
    050    import org.deegree.model.crs.CRSFactory;
    051    import org.deegree.model.crs.CoordinateSystem;
    052    import org.deegree.model.feature.FeatureCollection;
    053    import org.deegree.model.feature.FeatureFactory;
    054    import org.deegree.model.feature.FeatureProperty;
    055    import org.deegree.model.feature.schema.FeatureType;
    056    import org.deegree.model.feature.schema.PropertyType;
    057    import org.deegree.model.spatialschema.Geometry;
    058    import org.deegree.model.spatialschema.WKTAdapter;
    059    import org.deegree.ogcwebservices.wfs.operation.FeatureResult;
    060    import org.deegree.ogcwebservices.wms.dataaccess.ExternalVectorDataAccess;
    061    import org.deegree.ogcwebservices.wms.operation.GetFeatureInfo;
    062    import org.deegree.ogcwebservices.wms.operation.GetFeatureInfoResult;
    063    import org.deegree.ogcwebservices.wms.operation.GetLegendGraphic;
    064    import org.deegree.ogcwebservices.wms.operation.GetMap;
    065
    066    /**
    067     * expects configuration like:
    068     * <pre>
    069     * # name of the feature type that will be created (important for style definition)
    070     * FeatureType={http://www.deegree.org/app}:WKTType
    071     * # name of the vendor specific GetMap parameter that shall be evaluated
    072     * WKT=WKT
    073     * </pre>
    074     *
    075     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
    076     *
    077     * @author last edited by: $Author: Andreas Poth $
    078     *
    079     * @version $Revision: $, $Date: $
    080     *
    081     */
    082    public class WKTMarker implements ExternalVectorDataAccess {
    083
    084        private Properties props;
    085
    086        private FeatureType ft;
    087
    088        private BufferedImage legend = new BufferedImage( 10, 10, BufferedImage.TYPE_INT_RGB );
    089
    090        /*
    091         * (non-Javadoc)
    092         *
    093         * @see
    094         * org.deegree.ogcwebservices.wms.dataaccess.ExternalVectorDataAccess#perform(org.deegree.ogcwebservices.wms.operation
    095         * .GetMap)
    096         */
    097        public FeatureResult perform( GetMap getMap )
    098                                throws Exception {
    099            String wkt = getMap.getVendorSpecificParameter( props.getProperty( "WKT" ) );
    100            FeatureCollection fc = FeatureFactory.createFeatureCollection( "UUID_" + UUID.randomUUID().toString(), 5 );
    101            if ( wkt != null ) {
    102                CoordinateSystem crs = CRSFactory.create( getMap.getSrs() );
    103                String[] s = StringTools.toArray( wkt, ";", false );
    104                for ( String string : s ) {
    105                    Geometry geom = WKTAdapter.wrap( string, crs );
    106                    FeatureProperty[] fp = new FeatureProperty[3];
    107                    fp[0] = FeatureFactory.createFeatureProperty( ft.getPropertyName( 0 ),
    108                                                                  (int) IDGenerator.getInstance().generateUniqueID() );
    109                    fp[1] = FeatureFactory.createFeatureProperty( ft.getPropertyName( 1 ), wkt );
    110                    fp[2] = FeatureFactory.createFeatureProperty( ft.getPropertyName( 2 ), geom );
    111                    fc.add( FeatureFactory.createFeature( "UUID_" + UUID.randomUUID(), ft, fp ) );
    112                }
    113
    114            }
    115            return new FeatureResult( getMap, fc );
    116        }
    117
    118        /*
    119         * (non-Javadoc)
    120         *
    121         * @see
    122         * org.deegree.ogcwebservices.wms.dataaccess.ExternalDataAccess#perform(org.deegree.ogcwebservices.wms.operation
    123         * .GetFeatureInfo)
    124         */
    125        public GetFeatureInfoResult perform( GetFeatureInfo gfi ) {
    126            return new GetFeatureInfoResult( gfi, "" );
    127        }
    128
    129        /*
    130         * (non-Javadoc)
    131         *
    132         * @see
    133         * org.deegree.ogcwebservices.wms.dataaccess.ExternalDataAccess#perform(org.deegree.ogcwebservices.wms.operation
    134         * .GetLegendGraphic)
    135         */
    136        public BufferedImage perform( GetLegendGraphic glg ) {
    137            return legend;
    138        }
    139
    140        /*
    141         * (non-Javadoc)
    142         *
    143         * @see org.deegree.ogcwebservices.wms.dataaccess.ExternalDataAccess#setConfigurationFile(java.net.URL)
    144         */
    145        public void setConfigurationFile( URL url )
    146                                throws IOException {
    147            props = new Properties();
    148            InputStream is = url.openStream();
    149            props.load( is );
    150            is.close();
    151
    152            String ftName = props.getProperty( "FeatureType" );
    153            QualifiedName qn = new QualifiedName( ftName );
    154            PropertyType[] pt = new PropertyType[3];
    155            pt[0] = FeatureFactory.createSimplePropertyType( new QualifiedName( "ID", qn.getNamespace() ), Types.INTEGER,
    156                                                             false );
    157            pt[1] = FeatureFactory.createSimplePropertyType( new QualifiedName( "WKT", qn.getNamespace() ), Types.VARCHAR,
    158                                                             false );
    159            pt[2] = FeatureFactory.createSimplePropertyType( new QualifiedName( "GEOM", qn.getNamespace() ),
    160                                                             Types.GEOMETRY, false );
    161            ft = FeatureFactory.createFeatureType( qn, false, pt );
    162        }
    163    }