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Sourcecode: libgnucrypto-java version File versions  Download package

TransformerException.java

package gnu.crypto.assembly;

import java.io.PrintStream;
import java.io.PrintWriter;

// ----------------------------------------------------------------------------
// $Id: TransformerException.java,v 1.2 2005/10/06 04:24:13 rsdio Exp $
//
// Copyright (C) 2003, Free Software Foundation, Inc.
//
// This file is part of GNU Crypto.
//
// GNU Crypto 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, or (at your option)
// any later version.
//
// GNU Crypto 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; see the file COPYING.  If not, write to the
//
//    Free Software Foundation Inc.,
//    51 Franklin Street, Fifth Floor,
//    Boston, MA 02110-1301
//    USA
//
// Linking this library statically or dynamically with other modules is
// making a combined work based on this library.  Thus, the terms and
// conditions of the GNU General Public License cover the whole
// combination.
//
// As a special exception, the copyright holders of this library give
// you permission to link this library with independent modules to
// produce an executable, regardless of the license terms of these
// independent modules, and to copy and distribute the resulting
// executable under terms of your choice, provided that you also meet,
// for each linked independent module, the terms and conditions of the
// license of that module.  An independent module is a module which is
// not derived from or based on this library.  If you modify this
// library, you may extend this exception to your version of the
// library, but you are not obligated to do so.  If you do not wish to
// do so, delete this exception statement from your version.
// ----------------------------------------------------------------------------

/**
 * @version $Revision: 1.2 $
 */
00052 public class TransformerException extends Exception {

   // Constants and variables
   // -------------------------------------------------------------------------

   private Throwable _exception = null;

   // Constructor(s)
   // -------------------------------------------------------------------------

   public TransformerException() {
      super();
   }

   public TransformerException(String details) {
      super(details);
   }

   public TransformerException(Throwable cause) {
      super();

      this._exception = cause;
   }

   public TransformerException(String details, Throwable cause) {
      super(details);

      this._exception = cause;
   }

   // Class methods
   // -------------------------------------------------------------------------

   // Instant methods
   // -------------------------------------------------------------------------

   public Throwable getCause() {
      return _exception;
   }

   /**
    * Prints this exception's stack trace to <code>System.err</code>. If this
    * exception has a root exception; the stack trace of the root exception is
    * also printed to <code>System.err</code>.
    */
00097    public void printStackTrace() {
      super.printStackTrace();
      if (_exception != null) {
         _exception.printStackTrace();
      }
   }

   /**
    * Prints this exception's stack trace to a print stream. If this exception
    * has a root exception; the stack trace of the root exception is also
    * printed to the print stream.
    *
    * @param ps the non-null print stream to which to print.
    */
00111    public void printStackTrace(PrintStream ps) {
      super.printStackTrace(ps);
      if (_exception != null) {
         _exception.printStackTrace(ps);
      }
   }

   /**
    * Prints this exception's stack trace to a print writer. If this exception
    * has a root exception; the stack trace of the root exception is also
    * printed to the print writer.
    *
    * @param pw the non-null print writer to use for output.
    */
00125    public void printStackTrace(PrintWriter pw) {
      super.printStackTrace(pw);
      if (_exception != null) {
         _exception.printStackTrace(pw);
      }
   }

   /**
    * Returns the string representation of this exception. The string
    * representation contains this exception's class name, its detailed
    * messsage, and if it has a root exception, the string representation of the
    * root exception. This string representation is meant for debugging and not
    * meant to be interpreted programmatically.
    *
    * @return the non-null string representation of this exception.
    * @see Throwable#getMessage()
    */
00142    public String toString() {
      StringBuffer sb = new StringBuffer(this.getClass().getName())
            .append(": ").append(super.toString());
      if (_exception != null) {
         sb.append("; caused by: ").append(_exception.toString());
      }
      return sb.toString();
   }
}

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