Implement ATL L100 protocol for VTS

1 files changed, 116 insertions, 0 deletions

diff --git a/src/org/traccar/protocol/L100ProtocolDecoder.java b/src/org/traccar/protocol/L100ProtocolDecoder.java
new file mode 100644
index 000000000..b7e2e91cc
--- /dev/null
+++ b/src/org/traccar/protocol/L100ProtocolDecoder.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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.buffer.ChannelBuffer;
+import org.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+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.nio.charset.StandardCharsets;
+import java.util.regex.Pattern;
+
+public class L100ProtocolDecoder extends BaseProtocolDecoder {
+
+    public L100ProtocolDecoder(L100Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .text("ATL")
+            .number("(d{15}),")                  // imei
+            .text("$GPRMC,")
+            .number("(dd)(dd)(dd).ddd,")         // time
+            .expression("([AV]),")               // validity
+            .number("(dd)(dd.d+),")              // latitude
+            .expression("([NS]),")
+            .number("(ddd)(dd.d+),")             // longitude
+            .expression("([EW]),")
+            .number("(d+.?d*)?,")                // speed
+            .number("(d+.?d*)?,")                // course
+            .number("(dd)(dd)(dd),")             // date
+            .any()
+            .text("#")
+            .number("([01]+),")                  // io status
+            .number("(d+.d+|N.C),")              // adc
+            .expression("[^,]*,")                // reserved
+            .expression("[^,]*,")                // reserved
+            .number("(d+.d+),")                  // odometer
+            .number("(d+.d+),")                  // temperature
+            .number("(d+.d+),")                  // battery
+            .number("(d+),")                     // gsm
+            .number("(d+),")                     // mcc
+            .number("(d+),")                     // mnc
+            .number("(d+),")                     // lac
+            .number("(d+)")                      // cid
+            .text("ATL")
+            .compile();
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        ChannelBuffer buf = (ChannelBuffer) msg;
+
+        buf.readUnsignedByte(); // start marker
+        buf.readUnsignedByte(); // type
+
+        String sentence = buf.readBytes(buf.readableBytes() - 2).toString(StandardCharsets.US_ASCII);
+
+        Parser parser = new Parser(PATTERN, sentence);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        Position position = new Position();
+        position.setProtocol(getProtocolName());
+
+        if (!identify(parser.next(), channel, remoteAddress)) {
+            return null;
+        }
+        position.setDeviceId(getDeviceId());
+
+        DateBuilder dateBuilder = new DateBuilder()
+                .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
+
+        position.setValid(parser.next().equals("A"));
+        position.setLatitude(parser.nextCoordinate());
+        position.setLongitude(parser.nextCoordinate());
+        position.setSpeed(parser.nextDouble());
+        position.setCourse(parser.nextDouble());
+
+        dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
+        position.setTime(dateBuilder.getDate());
+
+        position.set(Position.KEY_STATUS, parser.next());
+        position.set(Position.PREFIX_ADC + 1, parser.next());
+        position.set(Position.KEY_ODOMETER, parser.nextDouble());
+        position.set(Position.PREFIX_TEMP + 1, parser.nextDouble());
+        position.set(Position.KEY_BATTERY, parser.nextDouble());
+        position.set(Position.KEY_GSM, parser.nextInt());
+        position.set(Position.KEY_MCC, parser.nextInt());
+        position.set(Position.KEY_MNC, parser.nextInt());
+        position.set(Position.KEY_LAC, parser.nextInt());
+        position.set(Position.KEY_CID, parser.nextInt());
+
+        return position;
+    }
+
+}