| gvSIG desktop 1

package org.gvsig.gpe.gml.parser.sfp0.coordinates;

import java.io.IOException;

import java.util.StringTokenizer;

import javax.xml.namespace.QName;

import org.gvsig.gpe.gml.parser.GPEDefaultGmlParser;

import org.gvsig.gpe.gml.parser.v2.coordinates.GmlCoodinatesIterator;

import org.gvsig.gpe.gml.parser.v2.geometries.DoubleTypeBinding;

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

import org.gvsig.gpe.xml.stream.IXmlStreamReader;

import org.gvsig.gpe.xml.stream.XmlStreamException;

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

/* 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

 */

public class PosTypeIterator extends GmlCoodinatesIterator{

        /* (non-Javadoc)

         * @see org.gvsig.gpe.gml.parser.v2.coordinates.GmlCoodinatesIterator#initialize(org.gvsig.gpe.xml.stream.IXmlStreamReader, org.gvsig.gpe.gml.parser.GPEDefaultGmlParser, java.lang.String)

         */

        public void initialize(IXmlStreamReader parser,

                        GPEDefaultGmlParser handler, QName lastTag)

        throws XmlStreamException, IOException {

                // TODO Auto-generated method stub

                super.initialize(parser, handler, lastTag);                        

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gpe.parser.ICoordinateIterator#hasNext()

         */

        public boolean hasNext() throws IOException {

                QName tag = parser.getName();

                if (CompareUtils.compareWithNamespace(tag,GMLTags.GML_POS)){                

                        return true;

                }

                parseAll();

                return false;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gpe.parser.ICoordinateIterator#next(double[])

         */

        public void next(double[] buffer) throws IOException {

                parser.next();

                StringTokenizer coordinatesString = new StringTokenizer(parser.getText().trim(),TUPLES_SEPARATOR);

                int i=0;

                while(coordinatesString.hasMoreTokens() && i<buffer.length){

                        buffer[i] = DoubleTypeBinding.parse(coordinatesString.nextToken(),COORDINATES_DECIMAL);

                        i++;

                }        

                //Advance until the end pos label

                while ((parser.getName() != GMLTags.GML_POS) && (parser.getEventType() != IXmlStreamReader.END_ELEMENT)){

                        parser.next();

                }

        }

        /* (non-Javadoc)

         * @see org.gvsig.gpe.gml.parser.v2.coordinates.GmlCoodinatesIterator#getDimension()

         */

        public int getDimension() {

                //TODO Calculate the dimension

                if (dimension == -1){

                        dimension = 3;

                }

                return dimension;

        }        

}