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/*
* Copyright 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.StringProtocolEncoder;
import org.traccar.helper.Checksum;
import org.traccar.model.Command;
import org.traccar.Protocol;
public class FifotrackProtocolEncoder extends StringProtocolEncoder {
public FifotrackProtocolEncoder(Protocol protocol) {
super(protocol);
}
private Object formatCommand(Command command, String content) {
String uniqueId = getUniqueId(command.getDeviceId());
int length = 1 + uniqueId.length() + 3 + content.length();
String result = String.format("##%02d,%s,1,%s*", length, uniqueId, content);
result += Checksum.sum(result) + "\r\n";
return result;
}
@Override
protected Object encodeCommand(Command command) {
switch (command.getType()) {
case Command.TYPE_CUSTOM:
return formatCommand(command, command.getString(Command.KEY_DATA));
case Command.TYPE_REQUEST_PHOTO:
return formatCommand(command, "D05,3");
default:
return null;
}
}
}
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