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/*
* Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
*
* 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 java.util.Map;
import org.traccar.BaseProtocolEncoder;
import org.traccar.model.Command;
public class Gps103ProtocolEncoder extends BaseProtocolEncoder {
private String formatCommand(Command command, String format, String... keys) {
String result = String.format(format, (Object[]) keys);
result = result.replaceAll("\\{" + Command.KEY_UNIQUE_ID + "}", getUniqueId(command.getDeviceId()));
for (Map.Entry<String, Object> entry : command.getOther().entrySet()) {
String value;
if (entry.getKey().equals(Command.KEY_FREQUENCY)) {
long frequency = (Long) entry.getValue();
if (frequency / 60 / 60 > 0) {
value = String.format("%02dh", frequency / 60 / 60);
} else if (frequency / 60 > 0) {
value = String.format("%02dm", frequency / 60);
} else {
value = String.format("%02ds", frequency);
}
} else {
value = entry.getValue().toString();
}
result = result.replaceAll("\\{" + entry.getKey() + "}", value);
}
return result;
}
@Override
protected Object encodeCommand(Command command) {
switch (command.getType()) {
case Command.TYPE_POSITION_STOP:
return formatCommand(command, "**,imei:{%s},A", Command.KEY_UNIQUE_ID);
case Command.TYPE_POSITION_FIX:
return formatCommand(command, "**,imei:{%s},C,{%s}", Command.KEY_UNIQUE_ID, Command.KEY_FREQUENCY);
case Command.TYPE_ENGINE_STOP:
return formatCommand(command, "**,imei:{%s},K", Command.KEY_UNIQUE_ID);
case Command.TYPE_ENGINE_RESUME:
return formatCommand(command, "**,imei:{%s},J", Command.KEY_UNIQUE_ID);
}
return null;
}
}
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