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Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/withingssteelhr/communication/message/MessageFactory.java
hrglpfrmpf c1fd0b77ad Support for Withings Steel HR (#2831)
Co-authored-by: hrglpfrmpf <hrglpfrmpf@web.de>
Reviewed-on: https://codeberg.org/Freeyourgadget/Gadgetbridge/pulls/2831
Co-authored-by: hrglpfrmpf <hrglpfrmpf@noreply.codeberg.org>
Co-committed-by: hrglpfrmpf <hrglpfrmpf@noreply.codeberg.org>
2023-07-26 17:20:43 +00:00

56 lines
2.4 KiB
Java

/* Copyright (C) 2021 Frank Ertl
This file is part of Gadgetbridge.
Gadgetbridge is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Gadgetbridge is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
package nodomain.freeyourgadget.gadgetbridge.service.devices.withingssteelhr.communication.message;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Arrays;
import java.util.List;
import nodomain.freeyourgadget.gadgetbridge.service.btle.BLETypeConversions;
import nodomain.freeyourgadget.gadgetbridge.service.devices.withingssteelhr.communication.datastructures.DataStructureFactory;
import nodomain.freeyourgadget.gadgetbridge.service.devices.withingssteelhr.communication.datastructures.WithingsStructure;
public class MessageFactory {
private static final Logger logger = LoggerFactory.getLogger(MessageFactory.class);
private DataStructureFactory dataStructureFactory;
public MessageFactory(DataStructureFactory dataStructureFactory) {
this.dataStructureFactory = new DataStructureFactory();
}
public Message createMessageFromRawData(byte[] rawData) {
if (rawData.length < 5 || rawData[0] != 0x01) {
return null;
}
short messageTypeFromResponse = (short) (BLETypeConversions.toInt16(rawData[2], rawData[1]) & 16383);
short totalDataLength = (short) BLETypeConversions.toInt16(rawData[4], rawData[3]);
boolean isIncoming = rawData[1] == 65 || rawData[1] == -127;
Message message = new WithingsMessage(messageTypeFromResponse, isIncoming);
byte[] rawStructureData = Arrays.copyOfRange(rawData, 5, rawData.length);
List<WithingsStructure> structures = dataStructureFactory.createStructuresFromRawData(rawStructureData);
for (WithingsStructure structure : structures) {
message.addDataStructure(structure);
}
return message;
}
}