public Object transformMessage(MuleMessage message, String outputEncoding)
throws TransformerException {
Arrays.fill(ivBytes, (byte) 0x00);
iv = new IvParameterSpec(ivBytes);
Object derivedKey = message.getInvocationProperty("derivedKey");
if (null == derivedKey) {
keyValue = Base64.decodeBase64(DEFAULT_KEY.getBytes());
} else {
keyValue = Base64.decodeBase64(derivedKey.toString().getBytes());
}
SecretKeySpec skeySpec = new SecretKeySpec(keyValue, "AES");
Cipher cipher = null;
try {
cipher = Cipher.getInstance(ALGO);
} catch (NoSuchAlgorithmException e1) {
e1.printStackTrace();
} catch (NoSuchPaddingException e1) {
e1.printStackTrace();
}
try {
cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv);
} catch (InvalidKeyException | InvalidAlgorithmParameterException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
byte[] original = null;
try {
// Object queryParm1 = message.getPayload().toString()); //"2zU3YSkvbamjrlE7WgBaKA==");
// Object queryParm1 = message.getInvocationProperty("1");
// HashMap queryParms = (HashMap)message.getInboundProperty("http.query.params");
// Object queryParm1 = queryParms.get("1");
Object queryParm1 = message.getInvocationProperty("encryptedPatientId");
if (queryParm1 != null) {
byte[] encString = Base64.decodeBase64(queryParm1.toString().getBytes());
original = cipher.doFinal(encString);
String clearText = "";
try {
clearText = new String(original, UNICODE_FORMAT).trim();
// message.setInvocationProperty("patientId", clearText);
message.setOutboundProperty("patientId", clearText);
} catch (UnsupportedEncodingException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
} catch (IllegalBlockSizeException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (BadPaddingException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
return message;
}
