From 466263734246399827b13ceeb40f5bacd5d6841e Mon Sep 17 00:00:00 2001
From: Bertrik Sikken <bertrik@sikken.nl>
Date: Sun, 4 Jul 2021 22:53:18 +0200
Subject: [PATCH] Avoid the use of java-11 method String.isBlank()

---
 .../java/nl/sikken/bertrik/hab/ttn/Ttnv3UplinkMessage.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ttnhabbridge/src/main/java/nl/sikken/bertrik/hab/ttn/Ttnv3UplinkMessage.java b/ttnhabbridge/src/main/java/nl/sikken/bertrik/hab/ttn/Ttnv3UplinkMessage.java
index a4f47b0..b21d45a 100644
--- a/ttnhabbridge/src/main/java/nl/sikken/bertrik/hab/ttn/Ttnv3UplinkMessage.java
+++ b/ttnhabbridge/src/main/java/nl/sikken/bertrik/hab/ttn/Ttnv3UplinkMessage.java
@@ -91,8 +91,8 @@ public final class Ttnv3UplinkMessage {
                 endDeviceIds.applicationIds.applicationId, endDeviceIds.deviceId, uplinkMessage.fcnt,
                 uplinkMessage.fport, uplinkMessage.payload, false);
         for (RxMetadata metadata : uplinkMessage.rxMetadata) {
-            String id = metadata.gatewayIds.gatewayId;
-            if (id.isBlank()) {
+            String id = metadata.gatewayIds.gatewayId.trim();
+            if (id.isEmpty()) {
                 id = metadata.gatewayIds.eui;
             }
             uplink.addGateway(id, metadata.location.latitude, metadata.location.longitude, metadata.location.altitude);