/*
 * @(#)RetryException.java             0.3-3 06/05/2001
 *
 *  This file is part of the HTTPClient package
 *  Copyright (C) 1996-2001 Ronald Tschal�r
 *
 *  This library 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 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free
 *  Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA 02111-1307, USA
 *
 *  For questions, suggestions, bug-reports, enhancement-requests etc.
 *  I may be contacted at:
 *
 *  ronald@innovation.ch
 *
 *  The HTTPClient's home page is located at:
 *
 *  http://www.innovation.ch/java/HTTPClient/ 
 *
 */

package org.exoplatform.common.http.client;

import java.io.IOException;

/**
 * Signals that an exception was thrown and caught, and the request was retried.
 * @version 0.3-3 06/05/2001
 * @author Ronald Tschal�r
 */
class RetryException extends IOException
{
   /** the request to retry */
   Request request = null;

   /** the response associated with the above request */
   Response response = null;

   /** the start of the liked list */
   RetryException first = null;

   /** the next exception in the list */
   RetryException next = null;

   /** the original exception which caused the connection to be closed. */
   IOException exception = null;

   /** was this exception generated because of an abnormal connection reset? */
   boolean conn_reset = true;

   /** restart processing? */
   boolean restart = false;

   /**
    * Constructs an RetryException with no detail message. A detail message is a
    * String that describes this particular exception.
    */
   public RetryException()
   {
      super();
   }

   /**
    * Constructs an RetryException class with the specified detail message. A
    * detail message is a String that describes this particular exception.
    * @param s the String containing a detail message
    */
   public RetryException(String s)
   {
      super(s);
   }

   // Methods

   /**
    * Inserts this exception into the list.
    * @param re the retry exception after which to add this one
    */
   void addToListAfter(RetryException re)
   {
      if (re == null)
         return;

      if (re.next != null)
         this.next = re.next;
      re.next = this;
   }
}
