it.auties.whatsapp.model.signal.message.SignalMessageSpec Maven / Gradle / Ivy
package it.auties.whatsapp.model.signal.message;
import it.auties.whatsapp.model.signal.message.SignalMessage;
import it.auties.protobuf.stream.ProtobufInputStream;
import it.auties.protobuf.stream.ProtobufOutputStream;
import it.auties.protobuf.model.ProtobufWireType;
public class SignalMessageSpec {
public static byte[] encode(SignalMessage protoInputObject) {
if (protoInputObject == null) {
return null;
}
var outputStream = new ProtobufOutputStream(sizeOf(protoInputObject));
outputStream.writeBytes(1, protoInputObject.ephemeralPublicKey());
outputStream.writeUInt32(2, protoInputObject.counter());
outputStream.writeUInt32(3, protoInputObject.previousCounter());
outputStream.writeBytes(4, protoInputObject.ciphertext());
return outputStream.toByteArray();
}
public static SignalMessage decode(byte[] input) {
if (input == null) {
return null;
}
var protoInputStream = new ProtobufInputStream(input);
byte[] ephemeralPublicKey = null;
java.lang.Integer counter = null;
java.lang.Integer previousCounter = null;
byte[] ciphertext = null;
while (protoInputStream.readTag()) {
var protoFieldIndex = protoInputStream.index();
switch (protoFieldIndex) {
case 1 -> ephemeralPublicKey = protoInputStream.readBytes();
case 2 -> counter = protoInputStream.readInt32();
case 3 -> previousCounter = protoInputStream.readInt32();
case 4 -> ciphertext = protoInputStream.readBytes();
default -> protoInputStream.skipBytes();
}
}
return new it.auties.whatsapp.model.signal.message.SignalMessage(ephemeralPublicKey, counter, previousCounter, ciphertext);
}
public static int sizeOf(SignalMessage object) {
if (object == null) {
return 0;
}
var protoSize = 0;
var ephemeralPublicKey = object.ephemeralPublicKey();
if (ephemeralPublicKey != null) {
protoSize += ProtobufOutputStream.getFieldSize(1, 2);
protoSize += ProtobufOutputStream.getBytesSize(ephemeralPublicKey);
}
var counter = object.counter();
if (counter != null) {
protoSize += ProtobufOutputStream.getFieldSize(2, 0);
protoSize += ProtobufOutputStream.getVarIntSize(counter);
}
var previousCounter = object.previousCounter();
if (previousCounter != null) {
protoSize += ProtobufOutputStream.getFieldSize(3, 0);
protoSize += ProtobufOutputStream.getVarIntSize(previousCounter);
}
var ciphertext = object.ciphertext();
if (ciphertext != null) {
protoSize += ProtobufOutputStream.getFieldSize(4, 2);
protoSize += ProtobufOutputStream.getBytesSize(ciphertext);
}
return protoSize;
}
}