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https://codeberg.org/Freeyourgadget/Gadgetbridge
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c1fd0b77ad
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>
56 lines
2.4 KiB
Java
56 lines
2.4 KiB
Java
/* Copyright (C) 2021 Frank Ertl
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.service.devices.withingssteelhr.communication.message;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.Arrays;
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import java.util.List;
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import nodomain.freeyourgadget.gadgetbridge.service.btle.BLETypeConversions;
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import nodomain.freeyourgadget.gadgetbridge.service.devices.withingssteelhr.communication.datastructures.DataStructureFactory;
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import nodomain.freeyourgadget.gadgetbridge.service.devices.withingssteelhr.communication.datastructures.WithingsStructure;
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public class MessageFactory {
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private static final Logger logger = LoggerFactory.getLogger(MessageFactory.class);
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private DataStructureFactory dataStructureFactory;
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public MessageFactory(DataStructureFactory dataStructureFactory) {
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this.dataStructureFactory = new DataStructureFactory();
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}
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public Message createMessageFromRawData(byte[] rawData) {
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if (rawData.length < 5 || rawData[0] != 0x01) {
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return null;
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}
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short messageTypeFromResponse = (short) (BLETypeConversions.toInt16(rawData[2], rawData[1]) & 16383);
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short totalDataLength = (short) BLETypeConversions.toInt16(rawData[4], rawData[3]);
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boolean isIncoming = rawData[1] == 65 || rawData[1] == -127;
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Message message = new WithingsMessage(messageTypeFromResponse, isIncoming);
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byte[] rawStructureData = Arrays.copyOfRange(rawData, 5, rawData.length);
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List<WithingsStructure> structures = dataStructureFactory.createStructuresFromRawData(rawStructureData);
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for (WithingsStructure structure : structures) {
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message.addDataStructure(structure);
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}
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return message;
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}
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}
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