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Diffstat (limited to 'src/main/java/org/traccar/protocol/KenjiProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/KenjiProtocolDecoder.java110
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diff --git a/src/main/java/org/traccar/protocol/KenjiProtocolDecoder.java b/src/main/java/org/traccar/protocol/KenjiProtocolDecoder.java
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+++ b/src/main/java/org/traccar/protocol/KenjiProtocolDecoder.java
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+/*
+ * 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 KenjiProtocolDecoder extends BaseProtocolDecoder {
+
+ public KenjiProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text(">")
+ .number("C(d{6}),") // device id
+ .number("M(x{6}),") // alarm
+ .number("O(x{4}),") // output
+ .number("I(x{4}),") // input
+ .number("D(dd)(dd)(dd),") // time (hhmmss)
+ .expression("([AV]),") // valid
+ .number("([NS])(dd)(dd.d+),") // latitude
+ .number("([EW])(ddd)(dd.d+),") // longitude
+ .number("T(d+.d+),") // speed
+ .number("H(d+.d+),") // course
+ .number("Y(dd)(dd)(dd),") // date (ddmmyy)
+ .number("G(d+)") // satellites
+ .any()
+ .compile();
+
+ private String decodeAlarm(int value) {
+ if (BitUtil.check(value, 2)) {
+ return Position.ALARM_SOS;
+ }
+ if (BitUtil.check(value, 4)) {
+ return Position.ALARM_LOW_BATTERY;
+ }
+ if (BitUtil.check(value, 6)) {
+ return Position.ALARM_MOVEMENT;
+ }
+ if (BitUtil.check(value, 1) || BitUtil.check(value, 10) || BitUtil.check(value, 11)) {
+ return Position.ALARM_VIBRATION;
+ }
+
+ return null;
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ Parser parser = new Parser(PATTERN, (String) msg);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ Position position = new Position(getProtocolName());
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
+ if (deviceSession == null) {
+ return null;
+ }
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_ALARM, decodeAlarm(parser.nextHexInt(0)));
+ position.set(Position.KEY_OUTPUT, parser.nextHexInt(0));
+ position.set(Position.KEY_INPUT, parser.nextHexInt(0));
+
+ DateBuilder dateBuilder = new DateBuilder()
+ .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+
+ position.setValid(parser.next().equals("A"));
+
+ position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN));
+ position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN));
+ position.setSpeed(parser.nextDouble(0));
+ position.setCourse(parser.nextDouble(0));
+
+ dateBuilder.setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+ position.setTime(dateBuilder.getDate());
+
+ position.set(Position.KEY_SATELLITES, parser.nextInt(0));
+
+ return position;
+ }
+
+}