package org.jtheque.core.spring.factory;

 import org.apache.commons.logging.LogFactory;

 import org.jtheque.core.managers.ActivableManager;

 import org.springframework.beans.factory.config.AbstractFactoryBean;

 import java.lang.reflect.Proxy;

 /*

  * 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/>.

  */

 /**

  * A factory bean for activable managers.

  *

  * @author Baptiste Wicht

  */

 public final class ActivableManagerFactoryBean extends AbstractFactoryBean {

     private ActivableManager manager;

     /**

      * Set the manager to factor.

      *

      * @param manager The activable manager to factor.

      */

     public void setManager(ActivableManager manager) {

         this.manager = manager;

     }

     @Override

     public Class<?> getObjectType() {

         if (manager == null) { //Property not already set by Spring

             LogFactory.getLog(getClass()).error("Manager is null");

             return null;

         }

         return manager.getClass();

     }

     @Override

     protected Object createInstance() {

         return Proxy.newProxyInstance(

                 ClassLoader.getSystemClassLoader(),

                 manager.getClass().getInterfaces(),

                 new ActivableManagerHandler(manager));

     }

 }