Improve null safety

jplag · Jun 21, 2023 · b54a9e6 · b54a9e6
1 parent 10f635c
commit b54a9e6
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/core/src/main/java/de/jplag/SubmissionSet.java b/core/src/main/java/de/jplag/SubmissionSet.java
@@ -11,6 +11,7 @@
 import de.jplag.exceptions.ExitException;
 import de.jplag.exceptions.SubmissionException;
 import de.jplag.options.JPlagOptions;
+import de.jplag.options.LanguageOption;
 
 /**
  * Collection of all submissions and their basecode if it exists. Parses all submissions upon creation.
@@ -45,7 +46,8 @@ public SubmissionSet(List<Submission> submissions, Submission baseCode, JPlagOpt
         parseAllSubmissions();
         this.submissions = filterValidSubmissions();
         invalidSubmissions = filterInvalidSubmissions();
-        if (Boolean.TRUE.equals(options.language().getOptions().getOptionsAsMap().get("normalize").getValue()))
+        LanguageOption<?> normalizeOption = options.language().getOptions().getOptionsAsMap().get("normalize");
+        if (normalizeOption != null && Boolean.TRUE.equals(normalizeOption.getValue()))
             submissions.forEach(Submission::normalize);
     }