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/*
* Copyright 2020 Anton Tananaev (anton@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.traccar.protocol;
import org.traccar.Protocol;
import org.traccar.StringProtocolEncoder;
import org.traccar.helper.Checksum;
import org.traccar.model.Command;
public class GlobalSatProtocolEncoder extends StringProtocolEncoder {
public GlobalSatProtocolEncoder(Protocol protocol) {
super(protocol);
}
@Override
protected Object encodeCommand(Command command) {
String formattedCommand = null;
switch (command.getType()) {
case Command.TYPE_CUSTOM:
formattedCommand = formatCommand(
command, "GSC,%s,%s", Command.KEY_UNIQUE_ID, Command.KEY_DATA);
break;
case Command.TYPE_ALARM_DISMISS:
formattedCommand = formatCommand(
command, "GSC,%s,Na", Command.KEY_UNIQUE_ID);
break;
case Command.TYPE_OUTPUT_CONTROL:
formattedCommand = formatCommand(
command, "GSC,%s,Lo(%s,%s)", Command.KEY_UNIQUE_ID, Command.KEY_INDEX, Command.KEY_DATA);
break;
default:
break;
}
if (formattedCommand != null) {
return formattedCommand + Checksum.nmea(formattedCommand) + '!';
} else {
return null;
}
}
}
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