1 files changed, 107 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/AutoGradeProtocolDecoder.java b/src/main/java/org/traccar/protocol/AutoGradeProtocolDecoder.java
new file mode 100644
index 000000000..5052450b5
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/AutoGradeProtocolDecoder.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2016 - 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.Protocol;
+import org.traccar.helper.BitUtil;
+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 AutoGradeProtocolDecoder extends BaseProtocolDecoder {
+
+    public AutoGradeProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .text("(")
+            .number("d{12}")                     // index
+            .number("(d{15})")                   // imei
+            .number("(dd)(dd)(dd)")              // date (ddmmyy)
+            .expression("([AV])")                // validity
+            .number("(d+)(dd.d+)([NS])")         // latitude
+            .number("(d+)(dd.d+)([EW])")         // longitude
+            .number("([d.]{5})")                 // speed
+            .number("(dd)(dd)(dd)")              // time (hhmmss)
+            .number("([d.]{6})")                 // course
+            .expression("(.)")                   // status
+            .number("A(xxxx)")
+            .number("B(xxxx)")
+            .number("C(xxxx)")
+            .number("D(xxxx)")
+            .number("E(xxxx)")
+            .number("K(xxxx)")
+            .number("L(xxxx)")
+            .number("M(xxxx)")
+            .number("N(xxxx)")
+            .number("O(xxxx)")
+            .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());
+
+        DateBuilder dateBuilder = new DateBuilder()
+                .setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+
+        position.setValid(parser.next().equals("A"));
+        position.setLatitude(parser.nextCoordinate());
+        position.setLongitude(parser.nextCoordinate());
+        position.setSpeed(parser.nextDouble(0));
+
+        dateBuilder.setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+        position.setTime(dateBuilder.getDate());
+
+        position.setCourse(parser.nextDouble(0));
+
+        int status = parser.next().charAt(0);
+        position.set(Position.KEY_STATUS, status);
+        position.set(Position.KEY_IGNITION, BitUtil.check(status, 0));
+
+        for (int i = 1; i <= 5; i++) {
+            position.set(Position.PREFIX_ADC + i, parser.next());
+        }
+
+        for (int i = 1; i <= 5; i++) {
+            position.set("can" + i, parser.next());
+        }
+
+        return position;
+    }
+
+}