/*
 * Copyright (C) 2006-2008 Alfresco Software Limited.
 *
 * 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.

 * As a special exception to the terms and conditions of version 2.0 of 
 * the GPL, you may redistribute this Program in connection with Free/Libre 
 * and Open Source Software ("FLOSS") applications as described in Alfresco's 
 * FLOSS exception.  You should have recieved a copy of the text describing 
 * the FLOSS exception, and it is also available here: 
 * http://www.alfresco.com/legal/licensing"
 */

package org.alfresco.jlan.smb.server;

import org.alfresco.jlan.smb.Dialect;

/**
 * SMB Protocol Factory Class.
 *
 * <p>The protocol factory class generates protocol handlers for SMB dialects.
 *
 * @author gkspencer
 */
class ProtocolFactory {

  /**
   * ProtocolFactory constructor comment.
   */
  public ProtocolFactory() {
    super();
  }
  
  /**
   * Return a protocol handler for the specified SMB dialect type, or null if there
   * is no appropriate protocol handler.
   *
   * @return ProtocolHandler
   * @param dialect int
   */
  protected static ProtocolHandler getHandler(int dialect) {

    //  Determine the SMB dialect type

    ProtocolHandler handler = null;

    switch (dialect) {

      //  Core dialect

      case Dialect.Core :
      case Dialect.CorePlus :
        handler = new CoreProtocolHandler();
        break;

        //  LanMan dialect

      case Dialect.DOSLanMan1 :
      case Dialect.DOSLanMan2 :
      case Dialect.LanMan1 :
      case Dialect.LanMan2 :
      case Dialect.LanMan2_1 :
        handler = new LanManProtocolHandler();
        break;

        //  NT dialect

      case Dialect.NT :
      	handler = new NTProtocolHandler();
        break;
    }

    //  Return the protocol handler

    return handler;
  }
}