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JWAA

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Demo

Fault.java

package edu.virtualschool.jwaa;

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

public class Fault extends Exception 
{
  // private static final long serialVersionUID = -1845221959107234531L;
  private final Throwable nextInChain;

  public Fault(Object message, Throwable e)
  {
    super(message.toString());
    this.nextInChain = e;
  }
  public Fault(String message) { this(message, null); }
  public Fault(Throwable e) { this("", e); }

  public final void printStackTrace() 
  {
    printStackTrace(System.err); 
  }
  public final void printStackTrace(PrintStream ps)
  {
    super.printStackTrace(ps);
    if (nextInChain != null)
    {
      ps.print("chainedTo: ");
      nextInChain.printStackTrace(ps);
    }
  }
  public final void printStackTrace(PrintWriter pw)
  {
    super.printStackTrace(pw);
    if (nextInChain != null)
    {
      pw.print("chainedTo: ");
      nextInChain.printStackTrace(pw);
    }
  }

  public final static String getStackTrace(Throwable e)
  {
    if (e == null) return "";
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    PrintWriter pw = new PrintWriter(bos);
    e.printStackTrace(pw);
    pw.close();
    return new String(bos.toByteArray());
  }
  public final Throwable getChainedException()
  {
    return nextInChain;
  }
  public final String getType() 
  { 
    String name = getClass().getName();
    int lastDot = name.lastIndexOf(".");
    return name.substring(lastDot+1);
  }
  public final String toString()
  {
    return ""+getMessage()+" ["+getType()+"]";
  }
  public String getReason() { return ""; }
  public String getAdvice() { return ""; }
}