/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited

  *

  * Licensed 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.

  */

 package org.acegisecurity.util;

 /**

  * <code>PortMapper</code> implementations provide callers with information

  * about which HTTP ports are associated with which HTTPS ports on the system,

  * and vice versa.

  *

  * @author Ben Alex

  * @version $Id: PortMapper.java 1784 2007-02-24 21:00:24Z luke_t $

  */

 public interface PortMapper {

     //~ Methods ========================================================================================================

     /**

      * Locates the HTTP port associated with the specified HTTPS port.<P>Returns <code>null</code> if unknown.</p>

      *

      * @param httpsPort

      *

      * @return the HTTP port or <code>null</code> if unknown

      */

     Integer lookupHttpPort(Integer httpsPort);

     /**

      * Locates the HTTPS port associated with the specified HTTP port.<P>Returns <code>null</code> if unknown.</p>

      *

      * @param httpPort

      *

      * @return the HTTPS port or <code>null</code> if unknown

      */

     Integer lookupHttpsPort(Integer httpPort);

 }