eswrapperexception.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 90 行

/*
 * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source 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 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *   Free SoftwareFoundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.es;

import com.caucho.util.ExceptionWrapper;

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

/**
 * JavaScript exception
 */
public class ESWrapperException extends ESException
  implements ExceptionWrapper {
  private Throwable e;

  public ESWrapperException(Throwable e)
  {
    if (e == null)
      throw new NullPointerException();
    
    this.e = e;
  }
  
  public static ESException create(Throwable e)
  {
    if (e instanceof ESException)
      return (ESException) e;
    else
      return new ESWrapperException(e);
  }

  public void printStackTrace()
  {
    e.printStackTrace();
  }
  
  public void printStackTrace(PrintStream ps)
  {
    e.printStackTrace(ps);
  }
  
  public void printStackTrace(PrintWriter pw)
  {
    e.printStackTrace(pw);
  }

  /**
   * Returns the wrapped exception.
   */
  public Throwable getRootCause()
  {
    return e;
  }

  public String getMessage() { return e.getMessage(); }

  public String toString() { return e.toString(); }
  public Throwable getException() { return e; } 
}