From 0e1ae3234ce0ee928f51ab050f97af2899964ce4 Mon Sep 17 00:00:00 2001
From: Felix Schnabel <f.schnabel@tum.de>
Date: Fri, 13 Sep 2024 23:10:46 +0200
Subject: [PATCH] Fix spotbugs

---
 .../ballerinalang/bindgen/utils/BindgenFileGenerator.java   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/misc/ballerina-bindgen/src/main/java/org/ballerinalang/bindgen/utils/BindgenFileGenerator.java b/misc/ballerina-bindgen/src/main/java/org/ballerinalang/bindgen/utils/BindgenFileGenerator.java
index f9909fcb5077..26846fdbecec 100644
--- a/misc/ballerina-bindgen/src/main/java/org/ballerinalang/bindgen/utils/BindgenFileGenerator.java
+++ b/misc/ballerina-bindgen/src/main/java/org/ballerinalang/bindgen/utils/BindgenFileGenerator.java
@@ -84,7 +84,11 @@ private SyntaxTree generateSyntaxTree() throws BindgenException {
     }
 
     private SyntaxTree generateFromTemplate(Path filePath) throws BindgenException {
-        return generateFromTemplate(filePath, env.getAlias(currentClass.getName()));
+        String alias = env.getAlias(currentClass.getName());
+        if (alias == null) {
+            throw new BindgenException("error: unable to generate the binding class '" + currentClass.getName() + "'");
+        }
+        return generateFromTemplate(filePath, alias);
     }
 
     private SyntaxTree generateFromTemplate(Path filePath, String alias) throws BindgenException {