Application: gvSIG desktop

/* 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.

 * 

 */

/*

 * AUTHORS (In addition to CIT):

 * 2010 {Prodevelop}   {Task}

 */

package org.gvsig.installer.lib.spi;

import org.gvsig.tools.locator.BaseLocator;

import org.gvsig.tools.locator.Locator;

import org.gvsig.tools.locator.LocatorException;

/**

 * This Locator provides the entry point for the gvSIG

 * {@link InstallerProviderManager}

 * 

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera Llodr&aacute;</a>

 */

public class InstallerProviderLocator extends BaseLocator {

        private static final String LOCATOR_NAME = "Installer.provider.locator";

        public static final String PROVIDER_MANAGER_NAME = "Installer.provider.manager";

        public static final String PROVIDER_MANAGER_DESCRIPTION = "Installer Manager";

        /**

         * Unique instance.

         */

        private static final InstallerProviderLocator instance = new InstallerProviderLocator();

        /**

         * Return the singleton instance.

         * 

         * @return the singleton instance

         */

        public static InstallerProviderLocator getInstance() {

                return instance;

        }

        /**

         * Return the Locator's name

         * 

         * @return a String with the Locator's name

         */

        @Override

        public String getLocatorName() {

                return LOCATOR_NAME;

        }

        /**

         * Return a reference to InstallerProviderManager.

         * 

         * @return a reference to InstallerProviderManager

         * @throws LocatorException

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

         *             instantiated

         * @see Locator#get(String)

         */

        public static InstallerProviderManager getProviderManager()

                        throws LocatorException {

                return (InstallerProviderManager) getInstance().get(

                                PROVIDER_MANAGER_NAME);

        }

        /**

         * Registers the Class implementing the InstallerProviderManager interface.

         * 

         * @param clazz

         *            implementing the InstallerProviderManager interface

         */

        public static void registerInstallerProviderManager(

                        Class<? extends InstallerProviderManager> clazz) {

                getInstance().register(PROVIDER_MANAGER_NAME,

                                PROVIDER_MANAGER_DESCRIPTION, clazz);

        }

}