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/*
* Copyright 2021 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 io.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.Protocol;
import org.traccar.model.Position;
import javax.json.Json;
import javax.json.JsonObject;
import java.io.StringReader;
import java.net.SocketAddress;
import java.time.OffsetDateTime;
import java.util.Date;
public class HoopoProtocolDecoder extends BaseProtocolDecoder {
public HoopoProtocolDecoder(Protocol protocol) {
super(protocol);
}
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
JsonObject json = Json.createReader(new StringReader((String) msg)).readObject();
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, json.getString("deviceId"));
if (deviceSession == null) {
return null;
}
if (json.containsKey("eventData")) {
JsonObject eventData = json.getJsonObject("eventData");
Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
Date time = new Date(OffsetDateTime.parse(json.getString("eventTime")).toInstant().toEpochMilli());
position.setTime(time);
position.setValid(true);
position.setLatitude(eventData.getJsonNumber("latitude").doubleValue());
position.setLongitude(eventData.getJsonNumber("longitude").doubleValue());
position.set(Position.KEY_EVENT, eventData.getString("eventType"));
position.set(Position.KEY_BATTERY_LEVEL, eventData.getInt("batteryLevel"));
return position;
}
return null;
}
}
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