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-rw-r--r--src/main/java/org/traccar/protocol/Gps103ProtocolDecoder.java2
-rw-r--r--src/main/java/org/traccar/protocol/L100ProtocolDecoder.java2
-rw-r--r--src/main/java/org/traccar/protocol/V680ProtocolDecoder.java2
3 files changed, 3 insertions, 3 deletions
diff --git a/src/main/java/org/traccar/protocol/Gps103ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gps103ProtocolDecoder.java
index e00d83061..9b672cacc 100644
--- a/src/main/java/org/traccar/protocol/Gps103ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Gps103ProtocolDecoder.java
@@ -408,7 +408,7 @@ public class Gps103ProtocolDecoder extends BaseProtocolDecoder {
}
}
- if (sentence.substring(21, 21 + 2).equals("vr")) {
+ if (sentence.startsWith("vr", 21)) {
return decodePhoto(channel, remoteAddress, sentence);
} else if (sentence.substring(21, 21 + 3).contains("OBD")) {
return decodeObd(channel, remoteAddress, sentence);
diff --git a/src/main/java/org/traccar/protocol/L100ProtocolDecoder.java b/src/main/java/org/traccar/protocol/L100ProtocolDecoder.java
index 9868de435..5b5eb7d60 100644
--- a/src/main/java/org/traccar/protocol/L100ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/L100ProtocolDecoder.java
@@ -138,7 +138,7 @@ public class L100ProtocolDecoder extends BaseProtocolDecoder {
String sentence = (String) msg;
if (sentence.startsWith("L") || sentence.startsWith("H")) {
- if (sentence.substring(2, 8).equals("ATLOBD")) {
+ if (sentence.startsWith("ATLOBD", 2)) {
return decodeObdData(channel, remoteAddress, sentence);
} else {
return decodeObdLocation(channel, remoteAddress, sentence);
diff --git a/src/main/java/org/traccar/protocol/V680ProtocolDecoder.java b/src/main/java/org/traccar/protocol/V680ProtocolDecoder.java
index 0342404a6..40267022b 100644
--- a/src/main/java/org/traccar/protocol/V680ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/V680ProtocolDecoder.java
@@ -62,7 +62,7 @@ public class V680ProtocolDecoder extends BaseProtocolDecoder {
if (sentence.length() == 16) {
- getDeviceSession(channel, remoteAddress, sentence.substring(1, sentence.length()));
+ getDeviceSession(channel, remoteAddress, sentence.substring(1));
} else {