| gvSIG desktop 1

package org.gvsig.gpe.gml;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InputStream;

import java.net.URI;

import org.gvsig.gpe.gml.bindings.FeatureCollectionBinding;

import org.gvsig.gpe.xml.GPEXmlParser;

import org.kxml2.io.KXmlParser;

import org.xmlpull.v1.XmlPullParser;

import org.xmlpull.v1.XmlPullParserException;

import com.sun.org.apache.xerces.internal.xni.parser.XMLPullParserConfiguration;

/* 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: GPEGmlParser.java 12418 2007-06-29 12:19:48Z jorpiell $

 * $Log$

 * Revision 1.15  2007-06-29 12:19:34  jorpiell

 * The schema validation is made independently of the concrete writer

 *

 * Revision 1.14  2007/06/07 14:53:30  jorpiell

 * Add the schema support

 *

 * Revision 1.13  2007/05/24 07:29:47  csanchez

 * A?adidos Alias GML2

 *

 * Revision 1.12  2007/05/17 11:20:51  jorpiell

 * Add the layer methods

 *

 * Revision 1.11  2007/05/16 12:34:55  csanchez

 * GPEParser Prototipo final de lectura

 *

 * Revision 1.10  2007/05/14 11:23:12  jorpiell

 * ProjectionFactory updated

 *

 * Revision 1.9  2007/05/14 09:52:26  jorpiell

 * Tupes separator tag updated

 *

 * Revision 1.8  2007/05/09 06:54:25  jorpiell

 * Change the File by URI

 *

 * Revision 1.7  2007/05/07 07:06:46  jorpiell

 * Add a constructor with the name and the description fields

 *

 * Revision 1.6  2007/04/25 11:08:38  csanchez

 * Parseo correcto con XSOM de esquemas, EntityResolver para los imports

 *

 * Revision 1.5  2007/04/20 12:04:10  csanchez

 * Actualizacion protoripo libGPE, A?adidos test para el parser, parseo con XSOM

 *

 * Revision 1.4  2007/04/19 11:51:43  csanchez

 * Actualizacion protoripo libGPE

 *

 * Revision 1.1  2007/04/18 12:54:45  csanchez

 * Actualizacion protoripo libGPE

 *

 *

 */

/**

 * @author Carlos S?nchez Peri??n (sanchez_carper@gva.es)

 **/

public class GPEGmlParser extends GPEXmlParser{

        private XmlPullParser fileParser = null;        

        /*********************

         * <GPEGmlParser> 

         * Constructor Method

         *********************/

        public GPEGmlParser(String name, String description) {

                super(name, description);

        }

        /**************************************************************

         * <getFormats>

         * Returns the file extensions that are accepted to GML Parser

         * @return String[] Accepted Extensions

         **************************************************************/

        public String[] getFormats() {

                String[] formats = new String[2];

                formats[0] = "GML";

                formats[1] = "XML";

                return formats;

        }

        /************************************************************************

         * <accept>

         * Returns true if the file is a gml file and the parser has to parse it

         * @param URI uri

         * @return boolean 

         ************************************************************************/

        public boolean accept(URI uri) {

                if ((uri.getPath().toUpperCase().endsWith("GML"))

                                || (uri.getPath().toUpperCase().endsWith("XML"))) {

                        return true;

                }

                return false;

        }

        /**********************************************

         * <getVersions>

         * Returns the gml versions that are supported

         * @return String[] Accepted Versions

         **********************************************/

        public String[] getVersions() {

                // TODO Ap?ndice de m?todo generado autom?ticamente

                return null;

        }

        /*************************************

         * <createInputStream>

         * Creates an InputStream from a file.

         * @param File file

         * @return FileInputStream

         *************************************/

        protected InputStream createInputStream(File file) throws FileNotFoundException {

                return new FileInputStream(file);

        }

        /****************************

         * <initParse>

         * Starts to parse the file.

         ****************************/

        protected void initParse() {

                //First, it gets the file parser.

                fileParser = getParser();

                try {

                        //If the file is empty

                        if (getParser().getEventType() == XmlPullParser.END_DOCUMENT){

                                return;

                        }

                        //Initialize the layer                        

                        //recursiveParser();

                        FeatureCollectionBinding.parse(getParser(), this);                        

                } catch (Exception e) {

                        getErrorHandler().addError(e);

                        e.printStackTrace();

                }

        }        

        public String getTag(){

                // Getting tag name

                return fileParser.getName();

        }

        public String getTagNamespace(){

                String fullTag = getTag();

                // Gramma must be revised too if there are schema

                // If there are namespaces before the ":" we keep tagName and nameSpace 

                int pos2 = fullTag.indexOf(":");

                if (pos2 > 0){

                        return fullTag.substring(0,fullTag.indexOf(":"));

                }

                else

                {

                        return "";

                }

        }

        public String getTagName(){

                String fullTag = getTag();

                // Gramma must be revised too if there are schema

                // If there are namespaces before the ":" we keep tagName and nameSpace 

                int pos2 = fullTag.indexOf(":");

                if (pos2 > 0){

                        return fullTag.substring(fullTag.indexOf(":") + 1,fullTag.length());

                }

                else

                {

                        return fullTag;

                }

        }

        public XmlPullParser getFileParser(){

                return fileParser;

        }

        /************************************************

         * <getNext>

         * Gets the next tag or text token from the file.

         * without white spaces. 

         ************************************************/

        public void getNext(){

                //Get next tag --> next():Method from KXML library to get next tag

                try {

                        fileParser.next();

                        if((fileParser.getEventType() == KXmlParser.TEXT)&&(fileParser.isWhitespace())){

                                getNext();

                        }

                } catch (XmlPullParserException e) {

                        // TODO Bloque catch generado autom?ticamente

                        System.out.println("Error en XmlPullParser al intentar obtener la siguiente etiqueta: "+e.getMessage());

                } catch (IOException e) {

                        // TODO Bloque catch generado autom?ticamente

                        System.out.println("Error al leer la siguiente etiqueta en XmlPullParser: "+e.getMessage());

                }

        }

        public boolean accept(File file) {

                // TODO Ap?ndice de m?todo generado autom?ticamente

                return false;

        }

}