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/*
* Copyright 2016 - 2019 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.model.Command;
import org.traccar.Protocol;
import org.traccar.helper.Checksum;
public class TotemProtocolEncoder extends TotemProtocolSmsEncoder {
public TotemProtocolEncoder(Protocol protocol) {
super(protocol);
}
private String encodeCommand(String commandString) {
String builtCommand = String.format("$$%04dCF%s", 10 + commandString.getBytes().length, commandString);
return String.format("%s%02X", builtCommand, Checksum.xor(builtCommand));
}
@Override
protected String encodeCommand(Command command) {
initDevicePassword(command, "000000");
return encodeCommand(super.getCommandString(command));
}
}
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