diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/GotopProtocolDecoder.java')
-rw-r--r-- | src/main/java/org/traccar/protocol/GotopProtocolDecoder.java | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/GotopProtocolDecoder.java b/src/main/java/org/traccar/protocol/GotopProtocolDecoder.java new file mode 100644 index 000000000..a867451aa --- /dev/null +++ b/src/main/java/org/traccar/protocol/GotopProtocolDecoder.java @@ -0,0 +1,82 @@ +/* + * Copyright 2013 - 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 io.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.Protocol; +import org.traccar.helper.Parser; +import org.traccar.helper.PatternBuilder; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.regex.Pattern; + +public class GotopProtocolDecoder extends BaseProtocolDecoder { + + public GotopProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .number("(d+),") // imei + .expression("[^,]+,") // type + .expression("([AV]),") // validity + .number("DATE:(dd)(dd)(dd),") // date (yyddmm) + .number("TIME:(dd)(dd)(dd),") // time (hhmmss) + .number("LAT:(d+.d+)([NS]),") // latitude + .number("LO[NT]:(d+.d+)([EW]),") // longitude + .text("Speed:").number("(d+.d+),") // speed + .expression("([^,]+),") // status + .number("(d+)?") // course + .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; + } + + Position position = new Position(getProtocolName()); + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); + if (deviceSession == null) { + return null; + } + position.setDeviceId(deviceSession.getDeviceId()); + + position.setValid(parser.next().equals("A")); + + position.setTime(parser.nextDateTime()); + + position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM)); + position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM)); + position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble(0))); + + position.set(Position.KEY_STATUS, parser.next()); + + position.setCourse(parser.nextDouble(0)); + + return position; + } + +} |