| gvSIG desktop 1

package org.gvsig.gpe.gml.utils;

import org.gvsig.compat.CompatLocator;

import org.gvsig.gpe.GPELocator;

import org.gvsig.gpe.GPEManager;

import org.gvsig.gpe.gml.GmlProperties;

import org.gvsig.gpe.parser.GPEErrorHandler;

import org.gvsig.gpe.parser.IGPEErrorHandler;

import org.gvsig.gpe.warnings.SrsUnknownWarning;

/* 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: GMLProjectionFactory.java 350 2008-01-09 12:53:07Z jpiera $

 * $Log$

 * Revision 1.4  2007/05/18 10:41:01  csanchez

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

 *

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

 * ProjectionFactory updated

 *

 * Revision 1.2  2007/04/12 17:06:44  jorpiell

 * First GML writing tests

 *

 * Revision 1.1  2007/04/12 10:23:41  jorpiell

 * Add some writers and the GPEXml parser

 *

 *

 */

/**

 * This class is used to convert a projection written 

 * using the EPSG projection to the GML projection

 * format

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

 */

public class GMLProjectionFactory {

        private static GPEManager gpeManager = GPELocator.getGPEManager();

        /**

         * This method is used to get the GML spatial reference

         * system (srs) calculated from a GPE srs.

         * @param srs

         * GPE srs

         * @param errorHandler

         * The error handler

         * @return

         * GML srs

         */

        public static String fromGPEToGML(String srs, GPEErrorHandler errorHandler){

                if (srs != null){

                        //If the SRS's are not based on XML the srs 

                        //will be the same

                        if (!gpeManager.getBooleanProperty(GmlProperties.SRS_BASED_ON_XML)){

                                return srs;

                        }

                        String[] parts = CompatLocator.getStringUtils().split(srs,":");

                        //String[] parts = org.gvsig.gpe.utils.StringUtils.splitString(srs,":");

                        //String[] parts = srs.split(":");

                        if (parts.length == 2){

                                if (parts[0].compareTo(GMLTags.SRS_EPSG_NAME) == 0){

                                        return GMLTags.SRS + GMLTags.SRS_EPSG + "#" + parts[1];

                                }

                        }else if(parts.length == 1){

                                //If the EPSG prefix is not found 

                                return GMLTags.SRS + GMLTags.SRS_EPSG + "#"  + parts[0];

                        }

                }        

                errorHandler.addWarning(new SrsUnknownWarning(srs));

                return GMLTags.SRS_UNKNOWN;        

        }

        /**

         * This method is used to get the GPE spatial reference

         * system (srs) calculated from a GML srs.

         * @param srs

         * GML srs

         * @param errorHandler

         * The error handler

         * @return

         * GPE srs

         */

        public static String fromGMLToGPE(String srs,IGPEErrorHandler errorHandler){

                if (srs != null){

                        String[] parts = CompatLocator.getStringUtils().split(srs,"#");

                        //String[] parts = org.gvsig.gpe.utils.StringUtils.splitString(srs,"#");

                        //String[] parts = srs.split("#");

                        if (parts.length == 2){

                                if (parts[0].compareTo(GMLTags.SRS + GMLTags.SRS_EPSG) == 0){

                                        return GMLTags.SRS_EPSG_NAME + ":" + parts[1];

                                }

                        }

                }

                errorHandler.addWarning(new SrsUnknownWarning(srs));

                return GMLTags.SRS_UNKNOWN;        

        }

}