Application: gvSIG desktop

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

import java.io.IOException;

import java.util.Hashtable;

import org.gvsig.gpe.GPEErrorHandler;

import org.gvsig.gpe.gml.GMLProjectionFactory;

import org.gvsig.gpe.gml.GMLTags;

import org.gvsig.gpe.gml.GPEGmlParser;

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

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: GeometryBinding.java 11720 2007-05-18 10:41:01Z csanchez $

 * $Log$

 * Revision 1.6  2007-05-18 10:41:01  csanchez

 * Actualizaci?n libGPE-GML eliminaci?n de clases inecesarias

 *

 * Revision 1.5  2007/05/15 11:55:11  jorpiell

 * MultiGeometry is now supported

 *

 * Revision 1.4  2007/05/15 07:30:38  jorpiell

 * Add the geometryProperties tags

 *

 * Revision 1.3  2007/05/14 11:18:51  jorpiell

 * ProjectionFactory updated

 *

 * Revision 1.2  2007/05/14 09:31:06  jorpiell

 * Add the a new class to compare tags

 *

 * Revision 1.1  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

 *

 *

 */

/**

 * This class parses a geometry. It is also used 

 * to get the attributes for a GML geometry. 

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

 */

public class GeometryBinding {

        /**

         * It parses the gml:Geometry tag

         * @param parser

         * The XML parser

         * @param handler

         * The GPE parser that contains the content handler and

         * the error handler

         * @return

         * A geometry

         * @throws XmlPullParserException

         * @throws IOException

         */

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

                int currentTag;

                Object geometry = null;                

                String tag = parser.getName();

                currentTag = parser.getEventType();

                switch(currentTag){

                case KXmlParser.START_TAG:

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

                                geometry = PointMemberTypeBinding.parse(parser, handler);

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

                                geometry = PointTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_POINTPROPERTY)){

                                geometry = PointPropertyTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_LINESTRINGMEMBER)){

                                geometry = LineStringMemberTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_LINESTRING)){

                                geometry = LineStringTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_LINEARRING)){

                                geometry = LinearRingTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_LINESTRINGPROPERTY)){

                                geometry = LineStringPropertyTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_POLYGONMEMBER)){

                                geometry = PolygonMemberTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_POLYGON)){

                                geometry = PolygonTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_POLYGONPROPERTY)){

                                geometry = PolygonPropertyTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_GEOMETRYMEMBER)){

                                geometry = GeometryMemberTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_GEOMETRYPROPERTY)){

                                geometry = GeometryPropertyTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_MULTIPOINT)){

                                geometry = MultiPointTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_MULTIPOINTPROPERTY)){

                                geometry = MultiPointPropertyTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_MULTILINESTRING)){

                                geometry = MultiLineStringTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_MULTILINESTRINGPROPERTY)){

                                geometry = MultiLineStringPropertyTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_MULTIPOLYGON)){

                                geometry = MultiPolygonTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_MULTIPOLYGONPROPERTY)){

                                geometry = MultiPolygonPropertyTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_MULTIGEOMETRY)){

                                geometry = MultiGeometryTypeBinding.parse(parser, handler);

                        }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_MULTIGEOMETRYPROPERTY)){

                                geometry = MultiGeometryPropertyTypeBinding.parse(parser, handler);

                        }

                        break;

                }                                        

                return geometry;        

        }

        /**

         * It returns a the geometry id attribute

         * @param hash

         * Hashtable with the XML attributes

         * @return

         * The id

         */

        public static String getID(Hashtable hash){

                Object obj = hash.get(GMLTags.GML_GID);

                if (obj != null){

                        return (String)obj;

                }

                return null;

        }        

        /**

         * It returns a the geometry srs attribute

         * @param hash

         * Hashtable with the XML attributes

         * @param errorHandler

         * To add posible errors

         * @return

         * The srs

         */

        public static String getSrs(Hashtable hash, GPEErrorHandler errorHandler){

                Object obj = hash.get(GMLTags.GML_SRS_NAME);

                if (obj != null){

                        return GMLProjectionFactory.fromGMLToGPE((String)obj, errorHandler);

                }

                return null;

        }

}