Application: gvSIG desktop

package org.gvsig.gazetteer.utils;

import java.awt.geom.Point2D;

import java.util.ArrayList;

import java.util.Map;

import com.vividsolutions.jts.geom.Geometry;

import com.vividsolutions.jts.geom.GeometryFactory;

import com.vividsolutions.jts.geom.Point;

import com.vividsolutions.jts.io.gml2.GMLReader;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.gazetteer.querys.Feature;

import org.gvsig.xmlschema.lib.api.som.IXSTypeDefinition;

/* 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: GazetteerGeometriesFactory.java 572 2007-07-27 12:40:11 +0000 (Fri, 27 Jul 2007) jpiera $

 * $Log$

 * Revision 1.1.2.2  2007/07/13 12:00:35  jorpiell

 * Add the posibility to add a new panel

 *

 * Revision 1.1.2.1  2007/07/10 11:18:04  jorpiell

 * Added the registers

 *

 *

 */

/**

 * @author Jorge Piera LLodr? (jorge.piera@iver.es)

 */

public class GazetteerGeometriesFactory {

        private static final Logger logger = LoggerFactory.getLogger(GazetteerGeometriesFactory.class);

        private String attName = null;

        public GazetteerGeometriesFactory(String attName) {

                super();

                this.attName = attName;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.remoteClient.gml.factories.IGeometriesFactory#createGeometry(java.lang.String)

         */

        public Object createGeometry(String gmlGeometry) {

                GMLReader reader = new GMLReader();

                try {

                        Geometry geom = reader.read(gmlGeometry,new GeometryFactory());

                        Point point = geom.getInteriorPoint();

                        return new Point2D.Double(point.getX(),point.getY());

                }  catch (Exception e){

                        logger.error("Can't parse: " + gmlGeometry,e);

                }

                return null;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.remoteClient.gml.factories.IGeometriesFactory#createMultipoint2D(double[], double[])

         */

        public Object createMultipoint2D(double[] x, double[] y) {

                double xTotal = 0;

                double yTotal = 0;

                for (int i=0 ; i<x.length ; i++){

                        xTotal = xTotal + x[i];

                        yTotal = yTotal + y[i];

                }

                if (x.length > 0){

                        return new Point2D.Double(xTotal/x.length,

                                        yTotal/y.length);

                }

                return new Point2D.Double(0,

                                0);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.remoteClient.gml.factories.IGeometriesFactory#createPoint2D(java.awt.geom.Point2D)

         */

        public Object createPoint2D(Point2D point) {

                return point;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.remoteClient.gml.factories.IGeometriesFactory#createPoint2D(double, double)

         */

        public Object createPoint2D(double x, double y) {

                return new Point2D.Double(x,y);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.remoteClient.gml.factories.IGeometriesFactory#createSimpleFeature(java.lang.String, org.gvsig.remoteClient.gml.types.IXMLType, java.util.Map, java.lang.Object)

         */

        public Object createSimpleFeature(String element, IXSTypeDefinition type,Map values,Object geometry) {

                String sGeoname = element;

                if (attName != null){

                        if (values.get(attName) != null){

                                ArrayList array = (ArrayList)values.get(attName);

                                if (array.size() > 0){

                                        sGeoname = (String)array.get(0);

                                }

                        }

                }                

                return new Feature(null,

                                sGeoname,

                                sGeoname,

                                (Point2D)geometry);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.remoteClient.gml.factories.IGeometriesFactory#createPolygon2D(double[], double[])

         */

        public Object createPolygon2D(double[] x, double[] y) {

                double avX = 0;

                double avY = 0;

                for (int i=0 ; i<x.length ; i++){

                        avX = avX + x[i];

                        avY = avY + y[i];

                }

                if (x.length > 0){

                        avX = avX/x.length;

                        avY = avY/y.length;

                }

                return new Point2D.Double(avX, avY);                

        }

}