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/*
* Copyright 2017 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.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.Context;
import org.traccar.DeviceSession;
import org.traccar.model.Position;
import java.net.SocketAddress;
import java.text.SimpleDateFormat;
public class GenxProtocolDecoder extends BaseProtocolDecoder {
private int[] reportColumns;
public GenxProtocolDecoder(GenxProtocol protocol) {
super(protocol);
setReportColumns(Context.getConfig().getString(getProtocolName() + ".reportColumns", "1,2,3,4"));
}
public void setReportColumns(String format) {
String[] columns = format.split(",");
reportColumns = new int[columns.length];
for (int i = 0; i < columns.length; i++) {
reportColumns[i] = Integer.parseInt(columns[i]);
}
}
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
String[] values = ((String) msg).split(",");
Position position = new Position();
position.setProtocol(getProtocolName());
position.setValid(true);
for (int i = 0; i < Math.min(values.length, reportColumns.length); i++) {
switch (reportColumns[i]) {
case 1:
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, values[i]);
if (deviceSession != null) {
position.setDeviceId(deviceSession.getDeviceId());
}
break;
case 2:
position.setTime(new SimpleDateFormat("MM/dd/yy HH:mm:ss").parse(values[i]));
break;
case 3:
position.setLatitude(Double.parseDouble(values[i]));
break;
case 4:
position.setLongitude(Double.parseDouble(values[i]));
break;
default:
break;
}
}
return position.getDeviceId() != 0 ? position : null;
}
}
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