/*
    * #%L
    * Bitmagasin modify client
    * 
    * $Id$
    * $HeadURL$
    * %%
    * Copyright (C) 2010 - 2011 The State and University Library, The Royal Library and The State Archives, Denmark
    * %%
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Lesser General Public License as 
   * published by the Free Software Foundation, either version 2.1 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 Lesser Public License for more details.
   * 
   * You should have received a copy of the GNU General Lesser Public 
   * License along with this program.  If not, see
   * <http://www.gnu.org/licenses/lgpl-2.1.html>.
   * #L%
   */
  
  package org.bitrepository.modify;
  
  import org.bitrepository.client.conversation.mediator.ConversationMediatorManager;
  import org.bitrepository.common.settings.Settings;
  import org.bitrepository.modify.deletefile.ConversationBasedDeleteFileClient;
  import org.bitrepository.modify.deletefile.DeleteFileClient;
  import org.bitrepository.modify.putfile.ConversationBasedPutFileClient;
  import org.bitrepository.modify.putfile.PutFileClient;
  import org.bitrepository.modify.replacefile.ConversationBasedReplaceFileClient;
  import org.bitrepository.modify.replacefile.ReplaceFileClient;
  import org.bitrepository.protocol.ProtocolComponentFactory;
  import org.bitrepository.protocol.security.SecurityManager;
  
  /**
   * Factory class for the access module. 
   * Instantiates the instances of the interfaces within this module.
   */
  public final class ModifyComponentFactory {
      /** The singleton instance. */
      private static ModifyComponentFactory instance;
  
      /**
       * Instantiation of this singleton.
       * 
       * @return The singleton instance of this factory class.
       */
      public static synchronized ModifyComponentFactory getInstance() {
          if(instance == null) {
              instance = new ModifyComponentFactory();
          }
          return instance;
      }
  
      /**
       * Private constructor for initialisation of the singleton.
       */
      private ModifyComponentFactory() {}
  
      /**
       * Method for initialising the PutClient.
       * @return The configured PutClient.
       */
      public PutFileClient retrievePutClient(Settings settings, SecurityManager securityManager, String clientID) {
          return new ConversationBasedPutFileClient(
                  ProtocolComponentFactory.getInstance().getMessageBus(settings, securityManager), 
                  ConversationMediatorManager.getConversationMediator(settings, securityManager), 
                  settings, clientID);
      }
      
      /**
       * @param settings The settings for the DeleteFileClient.
       * @return The requested DeleteClient.
       */
      public DeleteFileClient retrieveDeleteFileClient(Settings settings, SecurityManager securityManager, String clientID) {
          return new ConversationBasedDeleteFileClient(
                  ProtocolComponentFactory.getInstance().getMessageBus(settings, securityManager), 
                  ConversationMediatorManager.getConversationMediator(settings, securityManager), 
                  settings, clientID);
      }
          
      /**
       * @param settings The settings for the DeleteFileClient.
       * @return The requested DeleteClient.
       */
      public ReplaceFileClient retrieveReplaceFileClient(Settings settings, SecurityManager securityManager, String clientID) {
          return new ConversationBasedReplaceFileClient(
                  ProtocolComponentFactory.getInstance().getMessageBus(settings, securityManager), 
                  ConversationMediatorManager.getConversationMediator(settings, securityManager), 
                  settings, clientID);
      }
  }