From 59416923dcb3a756eaf532cc4259f2f6625c0762 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sun, 31 Mar 2019 22:35:39 -0700
Subject: Convert project to gradle

---
 .../org/traccar/protocol/BoxProtocolDecoder.java   | 108 +++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 src/main/java/org/traccar/protocol/BoxProtocolDecoder.java

(limited to 'src/main/java/org/traccar/protocol/BoxProtocolDecoder.java')

diff --git a/src/main/java/org/traccar/protocol/BoxProtocolDecoder.java b/src/main/java/org/traccar/protocol/BoxProtocolDecoder.java
new file mode 100644
index 000000000..3635c29e5
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/BoxProtocolDecoder.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2014 - 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.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.BitUtil;
+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 BoxProtocolDecoder extends BaseProtocolDecoder {
+
+    public BoxProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .text("L,")
+            .number("(dd)(dd)(dd)")              // date (yymmdd)
+            .number("(dd)(dd)(dd),")             // time (hhmmss)
+            .text("G,")
+            .number("(-?d+.d+),")                // latitude
+            .number("(-?d+.d+),")                // longitude
+            .number("(d+.?d*),")                 // speed
+            .number("(d+.?d*),")                 // course
+            .number("(d+.?d*),")                 // distance
+            .number("(d+),")                     // event
+            .number("(d+)")                      // status
+            .any()
+            .compile();
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        String sentence = (String) msg;
+
+        if (sentence.startsWith("H,")) {
+
+            int index = sentence.indexOf(',', 2) + 1;
+            String id = sentence.substring(index, sentence.indexOf(',', index));
+            getDeviceSession(channel, remoteAddress, id);
+
+        } else if (sentence.startsWith("E,")) {
+
+            if (channel != null) {
+                channel.writeAndFlush(new NetworkMessage("A," + sentence.substring(2) + "\r", remoteAddress));
+            }
+
+        } else if (sentence.startsWith("L,")) {
+
+            DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+            if (deviceSession == null) {
+                return null;
+            }
+
+            Parser parser = new Parser(PATTERN, sentence);
+            if (!parser.matches()) {
+                return null;
+            }
+
+            Position position = new Position(getProtocolName());
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            position.setTime(parser.nextDateTime());
+
+            position.setLatitude(parser.nextDouble());
+            position.setLongitude(parser.nextDouble());
+            position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
+            position.setCourse(parser.nextDouble());
+
+            position.set(Position.KEY_ODOMETER_TRIP, parser.nextDouble() * 1000);
+            position.set(Position.KEY_EVENT, parser.next());
+
+            int status = parser.nextInt();
+            position.set(Position.KEY_IGNITION, BitUtil.check(status, 0));
+            position.set(Position.KEY_MOTION, BitUtil.check(status, 1));
+            position.setValid(!BitUtil.check(status, 2));
+            position.set(Position.KEY_STATUS, status);
+
+            return position;
+        }
+
+        return null;
+    }
+
+}
-- 
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