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Diffstat (limited to 'src/main/java/org/traccar/protocol/GnxProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/GnxProtocolDecoder.java111
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diff --git a/src/main/java/org/traccar/protocol/GnxProtocolDecoder.java b/src/main/java/org/traccar/protocol/GnxProtocolDecoder.java
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+++ b/src/main/java/org/traccar/protocol/GnxProtocolDecoder.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.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class GnxProtocolDecoder extends BaseProtocolDecoder {
+
+ public GnxProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN_LOCATION = new PatternBuilder()
+ .number("(d+),") // imei
+ .number("d+,") // length
+ .expression("([01]),") // history
+ .number("(dd)(dd)(dd),") // device time (hhmmss)
+ .number("(dd)(dd)(dd),") // device date (ddmmyy)
+ .number("(dd)(dd)(dd),") // fix time (hhmmss)
+ .number("(dd)(dd)(dd),") // fix date (ddmmyy)
+ .number("(d),") // valid
+ .number("(dd.d+),") // latitude
+ .expression("([NS]),")
+ .number("(ddd.d+),") // longitude
+ .expression("([EW]),")
+ .compile();
+
+ private static final Pattern PATTERN_MIF = new PatternBuilder()
+ .text("$GNX_MIF,")
+ .expression(PATTERN_LOCATION.pattern())
+ .expression("[01],") // valid card
+ .expression("([^,]+),") // rfid
+ .any()
+ .compile();
+
+ private static final Pattern PATTERN_OTHER = new PatternBuilder()
+ .text("$GNX_")
+ .expression("...,")
+ .expression(PATTERN_LOCATION.pattern())
+ .any()
+ .compile();
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ String sentence = (String) msg;
+ String type = sentence.substring(5, 8);
+
+ Pattern pattern;
+ if (type.equals("MIF")) {
+ pattern = PATTERN_MIF;
+ } else {
+ pattern = PATTERN_OTHER;
+ }
+
+ Parser parser = new Parser(pattern, sentence);
+ 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());
+
+ if (parser.nextInt(0) == 1) {
+ position.set(Position.KEY_ARCHIVE, true);
+ }
+
+ position.setDeviceTime(parser.nextDateTime(Parser.DateTimeFormat.HMS_DMY, "GMT+5:30"));
+ position.setFixTime(parser.nextDateTime(Parser.DateTimeFormat.HMS_DMY, "GMT+5:30"));
+
+ position.setValid(parser.nextInt(0) != 0);
+
+ position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+ position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_HEM));
+
+ if (type.equals("MIF")) {
+ position.set(Position.KEY_DRIVER_UNIQUE_ID, parser.next());
+ }
+
+ return position;
+ }
+
+}