package com.aragost.javahg.internals;

 public class UnexpectedServerTerminationException extends RuntimeException {

     private static final long serialVersionUID = 1L;

     private final int exitValue;

     public UnexpectedServerTerminationException(int rc, Throwable cause) {

         super("Server process terminated unexpectedly with exitvalue: " + rc, extractRealCause(cause));

         this.exitValue = rc;

     }

     private static Throwable extractRealCause(Throwable cause) {

         if (cause instanceof RuntimeIOException) {

             return cause.getCause();

         }

         return cause;

     }

     public int getExitValue() {

         return exitValue;

     }

 }