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Cautela NMEA conversion protocol
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tananaev committed Mar 11, 2018
1 parent d8bbc2b commit b2ab0b4
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1 change: 1 addition & 0 deletions setup/default.xml
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<entry key='m2c.port'>5157</entry>
<entry key='globekeeper.port'>5158</entry>
<entry key='opengts.port'>5159</entry>
<entry key='cautela.port'>5160</entry>

</properties>
47 changes: 47 additions & 0 deletions src/org/traccar/protocol/CautelaProtocol.java
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/*
* Copyright 2018 Anton Tananaev ([email protected])
*
* 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.bootstrap.ServerBootstrap;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.handler.codec.frame.LineBasedFrameDecoder;
import org.jboss.netty.handler.codec.string.StringDecoder;
import org.jboss.netty.handler.codec.string.StringEncoder;
import org.traccar.BaseProtocol;
import org.traccar.TrackerServer;

import java.util.List;

public class CautelaProtocol extends BaseProtocol {

public CautelaProtocol() {
super("cautela");
}

@Override
public void initTrackerServers(List<TrackerServer> serverList) {
serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
@Override
protected void addSpecificHandlers(ChannelPipeline pipeline) {
pipeline.addLast("frameDecoder", new LineBasedFrameDecoder(1024));
pipeline.addLast("stringEncoder", new StringEncoder());
pipeline.addLast("stringDecoder", new StringDecoder());
pipeline.addLast("objectDecoder", new CautelaProtocolDecoder(CautelaProtocol.this));
}
});
}

}
77 changes: 77 additions & 0 deletions src/org/traccar/protocol/CautelaProtocolDecoder.java
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/*
* Copyright 2018 Anton Tananaev ([email protected])
*
* 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.DeviceSession;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.model.Position;

import java.net.SocketAddress;
import java.util.regex.Pattern;

public class CautelaProtocolDecoder extends BaseProtocolDecoder {

public CautelaProtocolDecoder(CautelaProtocol protocol) {
super(protocol);
}

private static final Pattern PATTERN = new PatternBuilder()
.number("(d+),") // type
.number("(d+),") // imei
.number("(dd),(dd),(dd),") // date (ddmmyy)
.number("(-?d+.d+),") // longitude
.number("(-?d+.d+),") // latitude
.number("(dd)(dd),") // time (hhmm)
.any()
.compile();

@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

Parser parser = new Parser(PATTERN, (String) msg);
if (!parser.matches()) {
return null;
}

String type = parser.next();

DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}

Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());

DateBuilder dateBuilder = new DateBuilder();
dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());

position.setValid(true);
position.setLongitude(parser.nextDouble());
position.setLatitude(parser.nextDouble());

dateBuilder.setHour(parser.nextInt()).setMinute(parser.nextInt());
position.setTime(dateBuilder.getDate());

return position;
}

}
18 changes: 18 additions & 0 deletions test/org/traccar/protocol/CautelaProtocolDecoderTest.java
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package org.traccar.protocol;

import org.junit.Test;
import org.traccar.ProtocolTest;

public class CautelaProtocolDecoderTest extends ProtocolTest {

@Test
public void testDecode() throws Exception {

CautelaProtocolDecoder decoder = new CautelaProtocolDecoder(new CautelaProtocol());

verifyPosition(decoder, text(
"20,010907000000,14,02,18,16.816667,96.166667,1325,S,*2E"));

}

}

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