Sie können einen Serializer-Helfer zum (De-) Serialisieren eines Objekts verwenden.
/** Helper class to serialize and deserialize an Object to byte[] and vice-versa **/
public class SerializationHelper {
public static byte[] serialize(Object object) throws IOException{
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);
// transform object to stream and then to a byte array
objectOutputStream.writeObject(object);
objectOutputStream.flush();
objectOutputStream.close();
return byteArrayOutputStream.toByteArray();
}
public static Object deserialize(byte[] bytes) throws IOException, ClassNotFoundException{
ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bytes);
ObjectInputStream objectInputStream = new ObjectInputStream(byteArrayInputStream);
return objectInputStream.readObject();
}
}
Auf Ihrer Aktivität können Sie
nennen
@Override
protected void onReceive(Endpoint endpoint, Payload payload) {
try{
onDataReceived(endpoint, SerializationHelper.deserialize(payload.asBytes()));
} catch (IOException | ClassNotFoundException e) { e.getMessage(); }
}
protected void onDataReceived(Endpoint endpoint, Object object){
// do something with your Object
}
public void sendDataToAllDevices(Object object){
try {
send(Payload.fromBytes(SerializationHelper.serialize(object)));
} catch (IOException e) { e.getMessage(); }
}