From 7325030436e5fc42b6998240a0c5696a1d4fed5a Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Wed, 12 Jul 2023 07:27:40 -0700
Subject: Fix GT06 transparent data

---
 src/main/java/org/traccar/helper/BufferUtil.java | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/main/java/org/traccar/helper/BufferUtil.java')

diff --git a/src/main/java/org/traccar/helper/BufferUtil.java b/src/main/java/org/traccar/helper/BufferUtil.java
index d1025f548..12c31ba9d 100644
--- a/src/main/java/org/traccar/helper/BufferUtil.java
+++ b/src/main/java/org/traccar/helper/BufferUtil.java
@@ -71,4 +71,16 @@ public final class BufferUtil {
         }
     }
 
+    public static boolean isPrintable(ByteBuf buf, int length) {
+        boolean printable = true;
+        for (int i = 0; i < length; i++) {
+            byte b = buf.getByte(buf.readerIndex() + i);
+            if (b < 32 && b != '\r' && b != '\n') {
+                printable = false;
+                break;
+            }
+        }
+        return printable;
+    }
+
 }
-- 
cgit v1.2.3