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authorAnton Tananaev <anton.tananaev@gmail.com>2018-09-26 12:10:50 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2018-09-26 12:10:50 +1200
commit61f82e3dce810d99bfdd02e6b7e66c6f617a13b5 (patch)
treedbb31d0564d69cd4d31e4f06b10112d2725665d3 /src/org/traccar/protocol/ItsProtocolDecoder.java
parenta0991e9461ef0a6a14ba90aa9a91dc9ce790bce9 (diff)
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Implement ITS protocol
Diffstat (limited to 'src/org/traccar/protocol/ItsProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/ItsProtocolDecoder.java81
1 files changed, 81 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/ItsProtocolDecoder.java b/src/org/traccar/protocol/ItsProtocolDecoder.java
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+/*
+ * Copyright 2018 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.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 ItsProtocolDecoder extends BaseProtocolDecoder {
+
+ public ItsProtocolDecoder(ItsProtocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("$,")
+ .expression("[^,]+,") // header
+ .expression("[^,]+,") // type
+ .number("(d{15}),") // imei
+ .expression("(?:NM|SP),") // status
+ .number("(dd),(dd),(dddd),") // date (ddmmyyyy)
+ .number("(dd),(dd),(dd),") // time (hhmmss)
+ .expression("([AV]),") // valid
+ .number("(d+.d+),([NS]),") // latitude
+ .number("(d+.d+),([EW]),") // longitude
+ .number("(-?d+.d+),") // altitude
+ .number("(d+.d+),") // speed
+ .number("(d+.d+),") // distance
+ .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;
+ }
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
+ if (deviceSession == null) {
+ return null;
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
+ position.setValid(parser.next().equals("A"));
+ position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+ position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+ position.setAltitude(parser.nextDouble());
+ position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
+
+ position.set(Position.KEY_ODOMETER, parser.nextDouble());
+
+ return position;
+ }
+
+}