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Diffstat (limited to 'src/main/java/org/traccar/protocol/T57ProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/T57ProtocolDecoder.java84
1 files changed, 84 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/T57ProtocolDecoder.java b/src/main/java/org/traccar/protocol/T57ProtocolDecoder.java
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+++ b/src/main/java/org/traccar/protocol/T57ProtocolDecoder.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2017 - 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 T57ProtocolDecoder extends BaseProtocolDecoder {
+
+ public T57ProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("*T57#")
+ .number("Fd#") // type
+ .number("([^#]+)#") // device id
+ .number("(dd)(dd)(dd)#") // date (ddmmyy)
+ .number("(dd)(dd)(dd)#") // time (hhmmss)
+ .number("(dd)(dd.d+)#") // latitude
+ .expression("([NS])#")
+ .number("(ddd)(dd.d+)#") // longitude
+ .expression("([EW])#")
+ .expression("[^#]+#")
+ .number("(d+.d+)#") // speed
+ .number("(d+.d+)#") // altitude
+ .expression("([AV])") // valid
+ .number("d#") // fix type
+ .number("(d+.d+)#") // battery
+ .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.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
+
+ position.setLatitude(parser.nextCoordinate());
+ position.setLongitude(parser.nextCoordinate());
+ position.setSpeed(parser.nextDouble());
+ position.setAltitude(parser.nextDouble());
+
+ position.setValid(parser.next().equals("A"));
+
+ position.set(Position.KEY_BATTERY, parser.nextDouble());
+
+ return position;
+ }
+
+}