xmlhelperexception.java

jdo开发实例,一个功能全面的oa系统

package com.gzrealmap.oa.servlet;


/* File:    XMLHelperException.java
 * Author:  Jared Jackson <[e-mail]>
 * Date:    January 10, 2002
 * Project: developerWorks XSL Callback Article
 */

import java.io.*;

public class XMLHelperException extends Exception {
        private Exception innerException;

        public XMLHelperException() { super(); innerException = null; }
        public XMLHelperException(String message) { super(message); innerException = null; }
        public XMLHelperException(String message, Exception innerException) {
                super(message);
                this.innerException = innerException;
        }

        public String getMessage() {
                String message = super.getMessage() + "\n" +
                           (innerException == null ? "" : innerException.getMessage());

                //super.printStackTrace(System.err);
                return message;
        }

        public void printStackTrace(PrintStream ps) {
                super.printStackTrace(ps);
                innerException.printStackTrace(ps);
        }
}