Java ExceptionAdapter

import java.io.*;
class ExceptionAdapter extends RuntimeException {
  private final String stackTrace;
  public Exception originalException;
  public ExceptionAdapter(Exception e) {
    super(e.toString());
    originalException = e;
    StringWriter sw = new StringWriter();
    e.printStackTrace(new PrintWriter(sw));
    stackTrace = sw.toString();
  }
  public void printStackTrace() { 
    printStackTrace(System.err);
  }
  public void printStackTrace(java.io.PrintStream s) { 
    synchronized(s) {
      s.print(getClass().getName() + ": ");
      s.print(stackTrace);
    }
  }
  public void printStackTrace(java.io.PrintWriter s) { 
    synchronized(s) {
      s.print(getClass().getName() + ": ");
      s.print(stackTrace);
    }
  }
  public void rethrow() { throw originalException; }
} 

 

It converts any checked exception into a RuntimeException while preserving all the information from the checked exception.