1 files changed, 35 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/Gl200TextProtocolDecoder.java b/src/org/traccar/protocol/Gl200TextProtocolDecoder.java
index 232f4cdfb..323d5cc45 100644
--- a/src/org/traccar/protocol/Gl200TextProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gl200TextProtocolDecoder.java
@@ -247,6 +247,21 @@ public class Gl200TextProtocolDecoder extends BaseProtocolDecoder {
             .text("$").optional()
             .compile();
 
+    private static final Pattern PATTERN_LSW = new PatternBuilder()
+            .text("+RESP:").expression("GT[LT]SW,")
+            .number("(?:[0-9A-Z]{2}xxxx)?,")     // protocol version
+            .number("(d{15}|x{14}),")            // imei
+            .expression("[^,]*,")                // device name
+            .number("[01],")                     // type
+            .number("([01]),")                   // state
+            .expression(PATTERN_LOCATION.pattern())
+            .number("(dddd)(dd)(dd)")            // date (yyyymmdd)
+            .number("(dd)(dd)(dd)").optional(2)  // time (hhmmss)
+            .text(",")
+            .number("(xxxx)")                    // count number
+            .text("$").optional()
+            .compile();
+
     private static final Pattern PATTERN_IDA = new PatternBuilder()
             .text("+RESP:GTIDA,")
             .number("(?:[0-9A-Z]{2}xxxx)?,")     // protocol version
@@ -837,6 +852,22 @@ public class Gl200TextProtocolDecoder extends BaseProtocolDecoder {
         return position;
     }
 
+    private Object decodeLsw(Channel channel, SocketAddress remoteAddress, String sentence) {
+        Parser parser = new Parser(PATTERN_LSW, sentence);
+        Position position = initPosition(parser, channel, remoteAddress);
+        if (position == null) {
+            return null;
+        }
+
+        position.set(Position.PREFIX_IN + (sentence.contains("LSW") ? 1 : 2), parser.nextInt() == 1);
+
+        decodeLocation(position, parser);
+
+        decodeDeviceTime(position, parser);
+
+        return position;
+    }
+
     private Object decodeIda(Channel channel, SocketAddress remoteAddress, String sentence) {
         Parser parser = new Parser(PATTERN_IDA, sentence);
         Position position = initPosition(parser, channel, remoteAddress);
@@ -1051,6 +1082,10 @@ public class Gl200TextProtocolDecoder extends BaseProtocolDecoder {
                 case "IGF":
                     result = decodeIgn(channel, remoteAddress, sentence);
                     break;
+                case "LSW":
+                case "TSW":
+                    result = decodeLsw(channel, remoteAddress, sentence);
+                    break;
                 case "IDA":
                     result = decodeIda(channel, remoteAddress, sentence);
                     break;