Application: gvSIG desktop

package org.gvsig.gpe.kml.parser;

import java.util.Hashtable;

import org.gvsig.exceptions.BaseException;

import org.gvsig.gpe.kml.GPEDeafultKmlParser;

import org.gvsig.gpe.kml.KmlTags;

import org.gvsig.gpe.kml.exceptions.KmlImpossibleCreateParser;

import org.xmlpull.v1.XmlPullParser;

/* 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: KmlParsersFactory.java 366 2008-01-10 09:09:38Z jpiera $

 * $Log$

 * Revision 1.1  2007/05/11 07:06:29  jorpiell

 * Refactoring of some package names

 *

 * Revision 1.3  2007/05/08 09:28:17  jorpiell

 * Add comments to create javadocs

 *

 * Revision 1.2  2007/05/02 11:46:50  jorpiell

 * Writing tests updated

 *

 * Revision 1.1  2007/04/13 13:16:21  jorpiell

 * Add KML reading support

 *

 * Revision 1.2  2007/04/12 10:21:52  jorpiell

 * Add the writers

 *

 * Revision 1.1  2007/03/07 08:19:10  jorpiell

 * Pasadas las clases de KML de libGPE-GML a libGPE-KML

 *

 * Revision 1.1  2007/02/28 11:48:31  csanchez

 * *** empty log message ***

 *

 * Revision 1.1  2007/02/20 10:53:20  jorpiell

 * A?adidos los proyectos de kml y gml antiguos

 *

 * Revision 1.1  2007/02/12 13:49:18  jorpiell

 * A?adido el driver de KML

 *

 *

 */

/**

 * This class is used to register the differnet kml 

 * parsers

 * @author Jorge Piera Llodr? (piera_jor@gva.es)

 */

public class KmlParsersFactory {        

        private static Hashtable supportedVersions = new Hashtable();        

        static {

                supportedVersions.put("http://earth.google.com/kml/2.1",KmlParserV2_1.class);        

                supportedVersions.put(KmlTags.UNKNOWN_VERSION,KmlParserV2_1.class);                

        }

        /**

         * To create a new KML parser

         * @param nameSpace

         * KML namespace used to determine the parser to use

         * @param parser

         * XML parser used to parse the XML

         * @param handler

         * GPE parser tha contains the handlers

         * @return

         * A KML parser

         * @throws BaseException

         */

        public AbstractKmlParser createParser(String nameSpace,XmlPullParser parser, GPEDeafultKmlParser handler) throws BaseException{

                Class clazz = (Class) supportedVersions.get(nameSpace);

                if (clazz == null){

                        clazz = (Class) supportedVersions.get(KmlTags.UNKNOWN_VERSION);

                }

                if (clazz != null){

                        Class [] args = {XmlPullParser.class,GPEDeafultKmlParser.class};

                        Object [] params = {parser,handler};

                        try {

                                return (AbstractKmlParser)clazz.getConstructor(args).newInstance(params);

                        } catch (Exception e) {

                                throw new KmlImpossibleCreateParser(nameSpace,e);

                        }

                }

                return null ;                

        }

}