Application: gvSIG desktop » gvSIG projections

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2012 gvSIG Association.

 *

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.proj.catalogue;

import org.gvsig.tools.locator.BaseLocator;

import org.gvsig.tools.locator.Locator;

import org.gvsig.tools.locator.LocatorException;

/**

 * This locator is the entry point for the CRSCatalogue library,

 * providing a catalog of definitions for coordinate reference systems

 * and coordinate transformations through the

 * {@link CRSCatalogueManager} .

 * 

 * @author gvSIG team

 * @author Cesar Martinez Izquierdo

 */

public class CRSCatalogLocator extends BaseLocator {

    /**

     * CoordinateReferenceSystem manager name.

     */

    public static final String MANAGER_NAME =

        "CRSCatalog.manager";

    /**

     * CoordinateReferenceSystem manager description.

     */

    public static final String MANAGER_DESCRIPTION =

        "CRS Catalog Manager";

    private static final String LOCATOR_NAME =

        "CRSCatalog.locator";

    /**

     * Unique instance.

     */

    private static final CRSCatalogLocator INSTANCE =

        new CRSCatalogLocator();

    /**

     * Return the singleton instance.

     * 

     * @return the singleton instance

     */

    public static CRSCatalogLocator getInstance() {

        return INSTANCE;

    }

    /**

     * Return the Locator's name.

     * 

     * @return a String with the Locator's name

     */

    public final String getLocatorName() {

        return LOCATOR_NAME;

    }

    /**

     * Return a reference to the CRSCatalogueManager.

     * 

     * @return a reference to the CRSCatalogueManager

     * @throws LocatorException

     *             if there is no access to the class or the class cannot be

     *             instantiated

     * @see Locator#get(String)

     */

    public static CRSCatalogManager getManager()

        throws LocatorException {

        return (CRSCatalogManager) getInstance().get(

            MANAGER_NAME);

    }

    /**

     * Registers the Class implementing the CRSCatalogueManager

     * interface.

     * 

     * @param clazz

     *            implementing the CoordinateReferenceSystemManager interface

     */

    public static void registerManager(Class clazz) {

        getInstance().register(MANAGER_NAME, MANAGER_DESCRIPTION, clazz);

    }

}