| gvSIG desktop 1

package org.gvsig.gpe.kml;

import java.io.BufferedInputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InputStream;

import java.util.prefs.AbstractPreferences;

import java.util.zip.ZipEntry;

import java.util.zip.ZipException;

import java.util.zip.ZipFile;

import java.util.zip.ZipInputStream;

import org.gvsig.exceptions.BaseException;

import org.gvsig.gpe.GPEContentHandler;

import org.gvsig.gpe.GPEErrorHandler;

import org.gvsig.gpe.kml.bindings.header.HeaderBinding;

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

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

import org.gvsig.gpe.kml.versions.AbstractKmlParser;

import org.gvsig.gpe.kml.versions.KmlParsersFactory;

import org.gvsig.gpe.kml.writer.GPEKmlWriterHandler;

import org.gvsig.gpe.writers.GPEWriterHandler;

import org.gvsig.gpe.xml.GPEXmlParser;

/* 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: GPEKmlParser.java 11205 2007-04-13 13:16:21Z jorpiell $

 * $Log$

 * Revision 1.3  2007-04-13 13:16:21  jorpiell

 * Add KML reading support

 *

 * Revision 1.2  2007/04/12 17:06:43  jorpiell

 * First GML writing tests

 *

 * Revision 1.1  2007/04/12 10:21:52  jorpiell

 * Add the writers

 *

 *

 */

/**

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

 */

public class GPEKmlParser extends GPEXmlParser {

        public GPEKmlParser(GPEContentHandler contentHandler,GPEErrorHandler errorHandler) {

                super(contentHandler,errorHandler);                

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gpe.GPEParser#accept(java.io.File)

         */

        public boolean accept(File file) {

                if ((file.getName().toUpperCase().endsWith("KML")) ||

                                (file.getName().toUpperCase().endsWith("KMZ"))){

                        return true;

                }

                return false;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gpe.GPEParser#getFormats()

         */

        public String[] getFormats() {

                String[] formats = new String[2];

                formats[0] = "KML";

                formats[1] = "KMZ";

                return formats;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gpe.GPEParser#getWriter(java.lang.String, java.lang.String)

         */

        public GPEWriterHandler getWriter(String format, File file) throws IOException {

                return new GPEKmlWriterHandler(format,file,getErrorHandler());

        }

        /**

         * It creates an InputStream. The Kml file can have the

         * KML or the KMZ extension

         * @return

         * @throws KmlException

         */

        protected InputStream createInputStream(File file){

                try {

                        if (file.getName().toUpperCase().endsWith("KML")){

                                return new FileInputStream(file);

                        }else if(file.getName().toUpperCase().endsWith("KMZ")){

                                FileInputStream fis = new FileInputStream(file);

                                ZipInputStream zis = new ZipInputStream(new BufferedInputStream(fis));

                                ZipEntry entry = null;

                                while((entry = zis.getNextEntry()) != null){

                                        if (!entry.isDirectory()){

                                                ZipFile fz = new ZipFile(file);

                                                return fz.getInputStream(entry);

                                        }

                                }

                        }

                } catch (FileNotFoundException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                } catch (ZipException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                } catch (IOException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }        

                return null;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gpe.xml.GPEXmlParser#initParse()

         */

        protected void initParse() {

                try {

                        String namespace = HeaderBinding.parse(getParser(),this);

                        AbstractKmlParser parser = new KmlParsersFactory().createParser(namespace,getParser(), this);

                        parser.initParse();

                } catch (KmlHeaderParseException e) {

                        getErrorHandler().addError(e);

                } catch (BaseException e) {

                        getErrorHandler().addError(e);

                }                

        }

}