package org.jtheque.core.managers;

 /*

  * This file is part of JTheque.

  *

  * JTheque 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 3 of the License.

  *

  * JTheque 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 JTheque.  If not, see <http://www.gnu.org/licenses/>.

  */

 import org.jtheque.core.managers.core.Core;

 import org.jtheque.core.managers.core.ICore;

 import org.jtheque.core.managers.error.IErrorManager;

 import org.jtheque.core.managers.log.ILoggingManager;

 import org.jtheque.utils.collections.CollectionUtils;

 import java.util.LinkedHashMap;

 import java.util.Map;

 /**

  * This class provide access to the different managers of the application.

  *

  * @author Baptiste Wicht

  */

 public final class Managers {

     private static final Map<Class<?>, IManager> MANAGERS = new LinkedHashMap<Class<?>, IManager>(10);

     /**

      * This is an utility class, not instanciable.

      */

     private Managers() {

         super();

     }

     /**

      * Pre-init the different managers of the application.

      */

     public static void preInitManagers() {

         for (IManager manager : MANAGERS.values()) {

             manager.preInit();

         }

     }

     /**

      * Init the different managers of the application.

      */

     public static void initManagers() {

         for (IManager manager : MANAGERS.values()) {

             try {

                 manager.init();

             } catch (ManagerException e) {

                 Managers.getManager(ILoggingManager.class).getLogger(Managers.class).error(e);

                 Managers.getManager(IErrorManager.class).addInternationalizedError("error.loading.manager");

             }

         }

     }

     /**

      * Close the different managers of the application.

      */

     public static void closeManagers() {

         CollectionUtils.reverse(MANAGERS);

         for (IManager manager : MANAGERS.values()) {

             manager.close();

         }

     }

     /**

      * Return the core.

      *

      * @return The core.

      */

     public static ICore getCore() {

         return Core.getInstance();

     }

     /**

      * Return the manager with the specified class.

      *

      * @param managerClass The class of the manager.

      * @param <T>          The type of the manager.

      * @return The manager.

      */

     public static <T> T getManager(Class<T> managerClass) {

         return (T) MANAGERS.get(managerClass);

     }

     /**

      * Load the manager from the manager container.

      *

      * @param container The manager container.

      */

     static void loadManagers(ManagerContainer container) {

         MANAGERS.putAll(container.getManagers());

     }

 }