falcom protocol

1 files changed, 114 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/FalcomProtocolDecoder.java b/src/main/java/org/traccar/protocol/FalcomProtocolDecoder.java
new file mode 100644
index 000000000..2dc2b09f3
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/FalcomProtocolDecoder.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2012 - 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.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 FalcomProtocolDecoder extends BaseProtocolDecoder {
+
+    public FalcomProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .text("$T0001,")
+            .number("(d+),")                        // event (int)
+            .number("(dd).(dd).(dddd),")            // date (31.12.2019)
+            .number("(dd):(dd):(dd),")              // time (11:22:33)
+            .number("(-?d+.d+),")                   // latitude (d.d)
+            .number("(-?d+.d+),")                   // longitude (d.d)
+            .number("(d+),")                        // speed (int)
+            .number("(d+.d+),")                     // course (double)
+            .number("(d+),")                        // fix (int)
+            .number("(d+),")                        // satellites (int)
+            .number("(d+.d+),")                     // power (double)
+            .number("(d+),")                        // ignition (int)
+            .number("(x+)*")                        // ignition (int)
+            //.expression("([0-9a-fA-F]{8})*")        // driverkey
+            .any()
+            .compile();
+
+    private Position decodeT0001(DeviceSession deviceSession, String sentence) {
+
+        Parser parser = new Parser(PATTERN, sentence);
+
+        if (!parser.matches()) {
+            return null;
+        }
+
+        Position position = new Position(getProtocolName());
+
+        position.setDeviceId(deviceSession.getDeviceId());
+        position.set(Position.KEY_EVENT, parser.nextInt(0));
+        DateBuilder dateBuilder = new DateBuilder()
+            .setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0))
+            .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+        position.setTime(dateBuilder.getDate());
+        position.setLatitude(parser.nextDouble());
+        position.setLongitude(parser.nextDouble());
+        position.setSpeed(parser.nextInt(0) * 1.94384449); //m/s to knot
+        position.setCourse(Math.round(parser.nextDouble()));
+        position.setValid(parser.nextInt() > 0);
+        position.set(Position.KEY_SATELLITES, Math.round(parser.nextInt()));
+        position.set(Position.KEY_POWER, parser.nextDouble());
+        position.set(Position.KEY_IGNITION, parser.nextInt() == 1);
+        position.set(Position.KEY_DRIVER_UNIQUE_ID, parser.next());
+
+        return position;
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        String sentence = (String) msg;
+
+        DeviceSession deviceSession;
+
+        if (!sentence.startsWith("$") && sentence.contains("$")) {
+            int index = sentence.indexOf("$");
+            String id = sentence.substring(0, index);
+            if (id.endsWith(",")) {
+                id = id.substring(0, id.length() - 1);
+            } else if (id.endsWith("/")) {
+                id = id.substring(id.indexOf('/') + 1, id.length() - 1);
+            }
+            deviceSession = getDeviceSession(channel, remoteAddress, id);
+            sentence = sentence.substring(index);
+        } else {
+            deviceSession = getDeviceSession(channel, remoteAddress);
+        }
+
+        if (sentence.startsWith("$IMEI")) {
+            getDeviceSession(channel, remoteAddress, sentence.substring(6));
+        } else if (sentence.startsWith("$T0001")) {
+            return decodeT0001(deviceSession, sentence);
+        }
+
+        return null;
+    }
+
+}