| gvSIG desktop 1

package org.gvsig.gpe.gml.bindings.geometries;

import java.io.IOException;

import java.util.Hashtable;

import org.gvsig.gpe.gml.GMLTags;

import org.gvsig.gpe.gml.GPEGmlParser;

import org.gvsig.gpe.gml.utils.CompareUtils;

import org.gvsig.gpe.gml.utils.GMLUtilsParser;

import org.kxml2.io.KXmlParser;

import org.xmlpull.v1.XmlPullParser;

import org.xmlpull.v1.XmlPullParserException;

/* 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: PointTypeBinding.java 11622 2007-05-14 11:23:12Z jorpiell $

 * $Log$

 * Revision 1.4  2007-05-14 11:18:51  jorpiell

 * ProjectionFactory updated

 *

 * Revision 1.3  2007/05/14 09:31:05  jorpiell

 * Add the a new class to compare tags

 *

 * Revision 1.2  2007/05/08 10:24:16  jorpiell

 * Add comments to create javadocs

 *

 * Revision 1.1  2007/05/07 12:58:42  jorpiell

 * Add some methods to manage the multigeometries

 *

 * Revision 1.1  2007/05/07 07:06:46  jorpiell

 * Add a constructor with the name and the description fields

 *

 *

 */

/**

 * It parses a gml:PointType object. Example:

 * <p>

 * <pre>

 * <code>

 * <Point gid="P6776">

 * <coord><X>50.0</X><Y>50.0</Y></coord>

 * </Point>

 * </code>

 * </pre>

 * </p> 

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

 */

public class PointTypeBinding {

        /**

         * It parses the gml:Point tag

         * @param parser

         * The XML parser

         * @param handler

         * The GPE parser that contains the content handler and

         * the error handler

         * @return

         * A point

         * @throws XmlPullParserException

         * @throws IOException

         */

        public static Object parse(XmlPullParser parser,GPEGmlParser handler) throws XmlPullParserException, IOException {

                boolean endFeature = false;

                int currentTag;

                Object point = null;                

                Hashtable attributes = GMLUtilsParser.getAttributes(parser);                

                String srsName = GeometryBinding.getSrs(attributes,handler.getErrorHandler());

                String id = GeometryBinding.getID(attributes);

                String tag = parser.getName();

                currentTag = parser.getEventType();

                while (!endFeature){

                        switch(currentTag){

                        case KXmlParser.START_TAG:

                                        if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_COORDINATES)){

                                                double[][] coordinates = CoordinatesTypeBinding.parse(parser, handler);

                                                point = handler.getContentHandler().startPoint(id,

                                                                        coordinates[0][0],

                                                                        coordinates[1][0],

                                                                        coordinates[2][0],

                                                                        srsName);

                                        }

                                        break;

                                case KXmlParser.END_TAG:

                                        if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_POINT)){                                                

                                                endFeature = true;

                                                handler.getContentHandler().endPoint(point);

                                        }

                                        break;

                                case KXmlParser.TEXT:                                        

                                        break;

                                }

                                if (!endFeature){                                        

                                        currentTag = parser.next();

                                        tag = parser.getName();

                                }

                        }                        

                return point;        

        }

}