package org.exolab.castor.core.exceptions;
   
   import java.io.PrintStream;
   import java.io.PrintWriter;
   
   public final class CastorIllegalStateException extends IllegalStateException {
     /** SerialVersionUID */
     private static final long serialVersionUID = 2351884252990815335L;
   
    /** The cause for this exception. */
    private Throwable _cause;
  
    public CastorIllegalStateException() {
      super();
    }
  
    public CastorIllegalStateException(final String message) {
      super(message);
    }
  
    public CastorIllegalStateException(final Throwable cause) {
      super();
      _cause = cause;
    }
  
    public CastorIllegalStateException(final String message, final Throwable cause) {
      super(message);
      _cause = cause;
    }
  
    /**
     * Match the JDK 1.4 Throwable version of getCause() on JDK<1.4 systems.
     * 
     * @return The throwable cause of this exception.
     */
    public Throwable getCause() {
      return _cause;
    }
  
    /**
     * Print a stack trace to stderr.
     */
    public void printStackTrace() {
      // Print the stack trace for this exception.
      super.printStackTrace();
  
      if (_cause != null) {
        System.err.print("Caused by: ");
        _cause.printStackTrace();
      }
    }
  
    /**
     * Print a stack trace to the specified PrintStream.
     * 
     * @param s The PrintStream to print a stack trace to.
     */
    public void printStackTrace(final PrintStream s) {
      // Print the stack trace for this exception.
      super.printStackTrace(s);
  
      if (_cause != null) {
        s.print("Caused by: ");
        _cause.printStackTrace(s);
      }
    }
  
    /**
     * Print a stack trace to the specified PrintWriter.
     * 
     * @param w The PrintWriter to print a stack trace to.
     */
    public void printStackTrace(final PrintWriter w) {
      // Print the stack trace for this exception.
      super.printStackTrace(w);
  
      if (_cause != null) {
        w.print("Caused by: ");
        _cause.printStackTrace(w);
      }
    }
  }