Fix Change Class File Versions Plugin 'Cancel' Option

Resolves #447
Konloch · Oct 2, 2024 · dac4cee · dac4cee
1 parent ed7865c
commit dac4cee
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/...in/java/the/bytecode/club/bytecodeviewer/plugin/preinstalled/ChangeClassFileVersions.java b/...in/java/the/bytecode/club/bytecodeviewer/plugin/preinstalled/ChangeClassFileVersions.java
@@ -41,7 +41,12 @@ public void execute(List<ClassNode> classNodeList)
     {
         //prompt dialog for version number
         // TODO: include a little diagram of what JDK is which number
-        int newVersion = Integer.parseInt(BytecodeViewer.showInput("Class Version Number: (52 = JDK 8)"));
+        String input = BytecodeViewer.showInput("Class Version Number: (52 = JDK 8)");
+
+        if(input == null)
+            return;
+
+        int newVersion = Integer.parseInt(input);
 
         //update the ClassFile version
         classNodeList.forEach(classNode -> classNode.version = newVersion);