Application: gvSIG desktop » gvSIG projections

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.crs;

import java.io.File;

import java.util.Arrays;

import java.util.Iterator;

import org.cresques.ProjectionLibrary;

import org.geotools.factory.FactoryRegistry;

import org.geotools.referencing.operation.MathTransformProvider;

import org.gvsig.fmap.crs.CRSFactory;

import org.gvsig.tools.library.AbstractLibrary;

import org.gvsig.tools.library.LibraryException;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * @author gvSIG Team

 * @version $Id$

 *

 */

public class JCRSLibrary extends AbstractLibrary {

    private static final Logger logger = LoggerFactory.getLogger(JCRSLibrary.class);

    public void doRegistration() {

        registerAsImplementationOf(ProjectionLibrary.class, 10);

    }

    protected void doInitialize() throws LibraryException {

        initializeGeotoolsProviders();

        CRSFactory.registerCRSFactory(new CrsFactory());

    }

    protected void doPostInitialize() throws LibraryException {

        // nothing to do 

    }

    private void initializeGeotoolsProviders() {

        /*

         * Se eliminan del registro de geotools las proyecciones que aporta libJCrs para asegurar que

         * son estas ?ltimas las que se utilizan.

         */

        final Class[] categories = {org.geotools.referencing.operation.MathTransformProvider.class};

        FactoryRegistry registry = new FactoryRegistry(Arrays.asList(categories));

        Iterator providers = registry.getServiceProviders(MathTransformProvider.class);

        Iterator providers2 = null;

        MathTransformProvider provider = null;

        MathTransformProvider provider2 = null;

        while ( providers.hasNext() ) {

            provider = (MathTransformProvider) providers.next();

            if ( provider.nameMatches("IDR") ) {

                providers2 = registry.getServiceProviders(MathTransformProvider.class);

                while ( providers2.hasNext() ) {

                    provider2 = (MathTransformProvider) providers2.next();

                    if ( provider2.nameMatches(provider.getName().toString()) && !provider2.nameMatches("IDR") ) {

                        registry.deregisterServiceProvider(provider2, categories[0]);

                    }

                }

            }

        }

        logger.debug("Dump of CRS MathTransformProviders");

        providers = registry.getServiceProviders(MathTransformProvider.class);

        while ( providers.hasNext() ) {

            provider = (MathTransformProvider) providers.next();

            logger.debug(provider.toString());

        }

    }

}