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authorAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
commit59416923dcb3a756eaf532cc4259f2f6625c0762 (patch)
tree9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/main/java/org/traccar/protocol/EsealProtocolDecoder.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
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Convert project to gradle
Diffstat (limited to 'src/main/java/org/traccar/protocol/EsealProtocolDecoder.java')
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diff --git a/src/main/java/org/traccar/protocol/EsealProtocolDecoder.java b/src/main/java/org/traccar/protocol/EsealProtocolDecoder.java
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+/*
+ * Copyright 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.Context;
+import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+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 EsealProtocolDecoder extends BaseProtocolDecoder {
+
+ private String config;
+
+ public EsealProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ config = Context.getConfig().getString(getProtocolName() + ".config");
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("##S,")
+ .expression("[^,]+,") // device type
+ .number("(d+),") // device id
+ .number("d+,") // customer id
+ .expression("[^,]+,") // firmware version
+ .expression("([^,]+),") // type
+ .number("(d+),") // index
+ .number("(dddd)-(dd)-(dd),") // date
+ .number("(dd):(dd):(dd),") // time
+ .number("d+,") // interval
+ .expression("([AV]),") // validity
+ .number("(d+.d+)([NS]) ") // latitude
+ .number("(d+.d+)([EW]),") // longitude
+ .number("(d+),") // course
+ .number("(d+),") // speed
+ .expression("([^,]+),") // door
+ .number("(d+.d+),") // acceleration
+ .expression("([^,]+),") // nfc
+ .number("(d+.d+),") // battery
+ .number("(-?d+),") // rssi
+ .text("E##")
+ .compile();
+
+ private void sendResponse(Channel channel, String prefix, String type, String payload) {
+ if (channel != null) {
+ channel.writeAndFlush(new NetworkMessage(
+ prefix + type + "," + payload + ",E##\r\n", channel.remoteAddress()));
+ }
+ }
+
+ private String decodeAlarm(String type) {
+ switch (type) {
+ case "Event-Door":
+ return Position.ALARM_DOOR;
+ case "Event-Shock":
+ return Position.ALARM_SHOCK;
+ case "Event-Drop":
+ return Position.ALARM_FALL_DOWN;
+ case "Event-Lock":
+ return Position.ALARM_LOCK;
+ case "Event-RC-Unlock":
+ return Position.ALARM_UNLOCK;
+ default:
+ return null;
+ }
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ String sentence = (String) msg;
+ Parser parser = new Parser(PATTERN, sentence);
+ 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());
+
+ String type = parser.next();
+ String prefix = sentence.substring(0, sentence.indexOf(type));
+ int index = parser.nextInt();
+
+ position.set(Position.KEY_INDEX, index);
+ position.set(Position.KEY_ALARM, decodeAlarm(type));
+
+ switch (type) {
+ case "Startup":
+ sendResponse(channel, prefix, type + " ACK", index + "," + config);
+ break;
+ case "Normal":
+ case "Button-Normal":
+ case "Termination":
+ case "Event-Door":
+ case "Event-Shock":
+ case "Event-Drop":
+ case "Event-Lock":
+ case "Event-RC-Unlock":
+ sendResponse(channel, prefix, type + " ACK", String.valueOf(index));
+ break;
+ default:
+ break;
+ }
+
+ position.setTime(parser.nextDateTime());
+ position.setValid(parser.next().equals("A"));
+ position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+ position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+ position.setCourse(parser.nextInt());
+ position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt()));
+
+ switch (parser.next()) {
+ case "Open":
+ position.set(Position.KEY_DOOR, true);
+ break;
+ case "Close":
+ position.set(Position.KEY_DOOR, false);
+ break;
+ default:
+ break;
+ }
+
+ position.set(Position.KEY_ACCELERATION, parser.nextDouble());
+ position.set("nfc", parser.next());
+ position.set(Position.KEY_BATTERY, parser.nextDouble());
+ position.set(Position.KEY_RSSI, parser.nextInt());
+
+ return position;
+ }
+
+}