in encode/java/src/main/java/com/aliyun/darabonba/encode/Encoder.java [63:76]
public static String hexEncode(byte[] raw) {
if (raw == null) {
return null;
}
StringBuilder sb = new StringBuilder();
for (byte b : raw) {
String hex = Integer.toHexString(b & 0xFF);
if (hex.length() < 2) {
sb.append(0);
}
sb.append(hex);
}
return sb.toString();
}