package org.apache.turbine.services;
   
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  
  import java.rmi.RemoteException;
  import java.rmi.server.UnicastRemoteObject;
  import java.util.Properties;
  
  import org.apache.commons.configuration.Configuration;
  import org.apache.commons.configuration.ConfigurationConverter;
  
  /**
   * A base implementation of an {@link java.rmi.server.UnicastRemoteObject}
   * as a Turbine {@link org.apache.turbine.services.Service}.
   *
   * @author <a href="mailto:dlr@collab.net">Daniel Rall</a>
   */
  public class BaseUnicastRemoteService extends UnicastRemoteObject
          implements Service
  {
      /**
       * Serial version.
       */
      private static final long serialVersionUID = -7775459623190960297L;
  
      protected Configuration configuration;
      private boolean isInitialized;
      private InitableBroker initableBroker;
      private String name;
      private ServiceBroker serviceBroker;
  
      /**
       * Default constructor
       * @throws RemoteException if the remote object cannot be created
       */
      public BaseUnicastRemoteService()
              throws RemoteException
      {
          isInitialized = false;
          initableBroker = null;
          name = null;
          serviceBroker = null;
      }
  
      /**
       * Returns the configuration of this service.
       *
       * @return The configuration of this service.
       */
      @Override
      public Configuration getConfiguration()
      {
          if (name == null)
          {
              return null;
          }
          else
          {
              if (configuration == null)
              {
                  configuration = getServiceBroker().getConfiguration(name);
              }
              return configuration;
          }
      }
  
      @Override
      public void setInitableBroker(InitableBroker broker)
      {
          this.initableBroker = broker;
      }
  
      /**
       * Get the {@link InitableBroker} instance
       * @return the broker instance
       */
      public InitableBroker getInitableBroker()
      {
          return initableBroker;
      }
 
     @Override
     public void init(Object data)
             throws InitializationException
     {
         init();
     }
 
     @Override
     public void init() throws InitializationException
     {
         setInit(true);
     }
 
     protected void setInit(boolean value)
     {
         isInitialized = value;
     }
 
     @Override
     public boolean getInit()
     {
         return isInitialized;
     }
 
     /**
      * Shuts down this service.
      */
     @Override
     public void shutdown()
     {
         setInit(false);
     }
 
     @Override
     public Properties getProperties()
     {
         return ConfigurationConverter.getProperties(getConfiguration());
     }
 
     @Override
     public void setName(String name)
     {
         this.name = name;
     }
 
     @Override
     public String getName()
     {
         return name;
     }
 
     /**
      * Get the {@link ServiceBroker} instance
      * @return the broker instance
      */
     public ServiceBroker getServiceBroker()
     {
         return serviceBroker;
     }
 
     @Override
     public void setServiceBroker(ServiceBroker broker)
     {
         this.serviceBroker = broker;
     }
 }