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authorAnton Tananaev <anton@traccar.org>2023-09-09 11:21:53 -0700
committerAnton Tananaev <anton@traccar.org>2023-09-09 11:21:53 -0700
commit1ae9886ad10edcbc876a5295021f86bb7e534fde (patch)
treea4790f2e8b9f518682ca98d452fd632b0501114f /src/main/java/org/traccar/protocol/NtoProtocolDecoder.java
parent22625690090a91e452f7b828e787330e7fce8f70 (diff)
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Implement NTO protocol
Diffstat (limited to 'src/main/java/org/traccar/protocol/NtoProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/NtoProtocolDecoder.java82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/NtoProtocolDecoder.java b/src/main/java/org/traccar/protocol/NtoProtocolDecoder.java
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+++ b/src/main/java/org/traccar/protocol/NtoProtocolDecoder.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2023 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.Protocol;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.Position;
+import org.traccar.session.DeviceSession;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class NtoProtocolDecoder extends BaseProtocolDecoder {
+
+ public NtoProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("^NB,") // manufacturer
+ .number("(d+),") // imei
+ .expression("(...),") // type
+ .number("(dd)(dd)(dd),") // date (ddmmyy)
+ .number("(dd)(dd)(dd),") // time (hhmmss)
+ .expression("([AVM]),") // validity
+ .number("([NS]),(dd)(dd.d+),") // latitude
+ .number("([EW]),(ddd)(dd.d+),") // longitude
+ .number("(d+.?d*),") // speed
+ .number("(d+),") // course
+ .number("(x+),") // status
+ .any()
+ .compile();
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ Parser parser = new Parser(PATTERN, (String) msg);
+ 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());
+
+ position.set(Position.KEY_TYPE, parser.next());
+
+ position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
+
+ 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());
+ position.setCourse(parser.nextInt());
+
+ position.set(Position.KEY_STATUS, parser.next());
+
+ return position;
+ }
+
+}