简洁实用的Java Base64编码加密异常处理类代码

package com.gootrip.util;
import java.io.*;
public class Base64DecodingException extends IOException {
 private char c;
 public Base64DecodingException(String message, char c){
 super(message);
 this.c = c;
 }
 public char getChar(){
 return c;
 }
}