Application: gvSIG desktop

/*

 * Created on 10-abr-2006

 *

 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id:

* $Log:

*/

package org.gvsig.topology.topologyrules;

import java.awt.geom.Rectangle2D;

import java.util.ArrayList;

import java.util.List;

import org.gvsig.exceptions.BaseException;

import org.gvsig.fmap.core.NewFConverter;

import org.gvsig.jts.JtsUtil;

import org.gvsig.topology.Messages;

import org.gvsig.topology.Topology;

import com.iver.cit.gvsig.fmap.core.IFeature;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.drivers.IFeatureIterator;

import com.iver.cit.gvsig.fmap.layers.FLyrVect;

import com.vividsolutions.jts.geom.Geometry;

import com.vividsolutions.jts.geom.GeometryCollection;

import com.vividsolutions.jts.precision.EnhancedPrecisionOp;

/**

 * All geometries of origin layer must be covered by a group

 * of geometries of destination layer

 * (it doesnt matter if are covered by one only geometries or a

 * group of them)

 *

 * @author Alvaro Zabala

 *

 */

public class LyrMustBeCoveredByLyr extends LyrMustBeCoveredByOneGeometry {

        static final String RULE_NAME = Messages.getText("must_be_covered_by_all_lyr");

        static {

                DEFAULT_ERROR_SYMBOL.setDescription(RULE_NAME);

        }

        public LyrMustBeCoveredByLyr(Topology topology,

                         FLyrVect originLyr,

                         FLyrVect destinationLyr){

                super(topology, originLyr, destinationLyr);

        }

        public LyrMustBeCoveredByLyr(){

                super();

        }

        @Override

        protected void checkWithNeighbourhood(IFeature feature, Rectangle2D extendedBounds, IFeatureIterator neighbourhood) throws BaseException{

                Geometry firstGeometry = NewFConverter.toJtsGeometry(feature.getGeometry());

                List<Geometry> neighboursGeo = new ArrayList<Geometry>();

                while (neighbourhood.hasNext()) {

                        IFeature neighbourFeature = neighbourhood.next();

                        IGeometry geom2 = neighbourFeature.getGeometry();

                        if(acceptsDestinationGeometryType(geom2.getGeometryType())){

                                Rectangle2D rect2 = geom2.getBounds2D();

                                if (extendedBounds.intersects(rect2)) {

                                        Geometry jtsGeom2 = NewFConverter.toJtsGeometry(geom2);

                                        if(!checkSpatialPredicate(feature, firstGeometry,

                                                                                                                neighbourFeature, jtsGeom2 )){

                                                neighboursGeo.add(jtsGeom2);

                                        }else

                                                return;//checks the rule

                                }//if

                        }//if

                }//while

                //at this point, feature is not covered by one neighbour feature

                //we check for all the neighbourhood

                Geometry[] geometries = neighboursGeo.toArray(new Geometry[0]);

                GeometryCollection geomCol = JtsUtil.GEOMETRY_FACTORY.createGeometryCollection(geometries);

                Geometry buffer = geomCol.buffer(0d);

                if(! firstGeometry.coveredBy(buffer)){

                        Geometry errorGeo = EnhancedPrecisionOp.difference(firstGeometry, buffer);

                        addTopologyError(createTopologyError(errorGeo, feature, null));

                }

        }

        @Override

        public String getName() {

                return RULE_NAME;

        }

}