package com.qq.weixin.mp.aes; @SuppressWarnings("serial") public class AesException extends Exception { public final static int OK = 0; public final static int ValidateSignatureError = -40001; public final static int ParseXmlError = -40002; public final static int ComputeSignatureError = -40003; public final static int IllegalAesKey = -40004; public final static int ValidateCorpidError = -40005; public final static int EncryptAESError = -40006; public final static int DecryptAESError = -40007; public final static int IllegalBuffer = -40008; //public final static int EncodeBase64Error = -40009; //public final static int DecodeBase64Error = -40010; //public final static int GenReturnXmlError = -40011; private int code; private static String getMessage(int code) { switch (code) { case ValidateSignatureError: return "签名验证错误"; case ParseXmlError: return "xml解析失败"; case ComputeSignatureError: return "sha加密生成签名失败"; case IllegalAesKey: return "SymmetricKey非法"; case ValidateCorpidError: return "corpid校验失败"; case EncryptAESError: return "aes加密失败"; case DecryptAESError: return "aes解密失败"; case IllegalBuffer: return "解密后得到的buffer非法"; // case EncodeBase64Error: // return "base64加密错误"; // case DecodeBase64Error: // return "base64解密错误"; // case GenReturnXmlError: // return "xml生成失败"; default: return null; // cannot be } } public int getCode() { return code; } AesException(int code) { super(getMessage(code)); this.code = code; } }