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authorjcardus <joaquim.cardeira@gmail.com>2020-03-25 19:19:42 +0000
committerjcardus <joaquim.cardeira@gmail.com>2020-03-25 19:19:42 +0000
commit2ee38015efa72f384be1a0d66f46b3cbe08d6c88 (patch)
tree1a15fb4f0a7a6a06906f79cc649d4dfbcfc8bbd1 /src/main/java/org/traccar/protocol/FalcomProtocolDecoder.java
parent37810b5062a4b5ea7e1b92800186c03a5817471f (diff)
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falcom protocol
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diff --git a/src/main/java/org/traccar/protocol/FalcomProtocolDecoder.java b/src/main/java/org/traccar/protocol/FalcomProtocolDecoder.java
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+/*
+ * 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;
+ }
+
+}