chainedexception.java

EasyJF信息发布全部源代码！

package com.easyjf.http;

import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.Vector;

public class ChainedException

  extends Exception
{
  private static final long serialVersionUID=93483339284l;
  protected Throwable throwable;

  public ChainedException() {}

  public ChainedException(String message)
  {
    super(message);
  }

  public ChainedException(Throwable throwable)
  {
    this.throwable = throwable;
  }

  public ChainedException(String message, Throwable throwable)
  {
    super(message);
    this.throwable = throwable;
  }

  public String[] getMessageChain()
  {
    Vector list = getMessageList();
    String[] chain = new String[list.size()];
    list.copyInto (chain);
    return chain;
  }

  public Vector getMessageList()
  {
    Vector list = new Vector();
    list.addElement(getMessage());
    if (throwable != null)
    {
      if (throwable instanceof ChainedException)
      {
        ChainedException chain = (ChainedException)throwable;
        Vector sublist = chain.getMessageList ();
        for (int i = 0; i < sublist.size (); i++) list.addElement (sublist.elementAt (i));
      }
      else
      {
        String message = throwable.getMessage();
        if (message != null && !message.equals(""))
        {
          list.addElement (message);
        }
      }
    }
    return list;
  }

  public Throwable getThrowable()
  {
    return throwable;
  }

  public void printStackTrace()
  {
    printStackTrace(System.err);
  }

  public void printStackTrace(PrintStream out)
  {
    synchronized (out)
    {
      if (throwable != null)
      {
        out.println(getClass().getName() +
          ": " + getMessage() + ";");
        throwable.printStackTrace(out);
      }
      else
      {
        super.printStackTrace(out);
      }
    }
  }

public void printStackTrace(PrintWriter out)
  {
    synchronized (out)
    {
      if (throwable != null)
      {
        out.println(getClass().getName() +
          ": " + getMessage() + ";");
        throwable.printStackTrace(out);
      }
      else
      {
        super.printStackTrace(out);
      }
    }
  }
}