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/*
* Copyright 2015 - 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.Context;
import org.traccar.Protocol;
import org.traccar.StringProtocolEncoder;
import org.traccar.model.Command;
import org.traccar.helper.Checksum;
public class LaipacProtocolEncoder extends StringProtocolEncoder {
private final Protocol protocol;
private final String defaultDevicePassword;
public LaipacProtocolEncoder(Protocol protocol) {
this.protocol = protocol;
defaultDevicePassword = Context.getConfig().getString(
getProtocolName() + ".defaultPassword", "00000000");
}
protected String getProtocolName() {
return protocol.getName();
}
@Override
protected Object encodeCommand(Command command) {
initDevicePassword(command, defaultDevicePassword);
String cmd = "";
switch (command.getType()) {
case Command.TYPE_CUSTOM:
cmd = formatCommand(command, "${%s}",
Command.KEY_DATA);
break;
case Command.TYPE_POSITION_SINGLE:
cmd = formatCommand(command, "$AVREQ,{%s},1",
Command.KEY_DEVICE_PASSWORD);
break;
case Command.TYPE_REBOOT_DEVICE:
cmd = formatCommand(command, "$AVRESET,{%s},{%s}",
Command.KEY_UNIQUE_ID, Command.KEY_DEVICE_PASSWORD);
break;
default:
break;
}
if (cmd.length() > 0) {
cmd += Checksum.nmea(cmd) + "\r\n";
return cmd;
}
return null;
}
}
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