From a611ea51097ae8fda5a1defd0d0d6c8d8558ac17 Mon Sep 17 00:00:00 2001
From: Anthony Stirling <77850077+Frooodle@users.noreply.github.com>
Date: Mon, 2 Jun 2025 17:17:24 +0100
Subject: [PATCH] fix: show error for PDFs without chapters

---
 .../SPDF/controller/api/SplitPdfByChaptersController.java     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/stirling/software/SPDF/controller/api/SplitPdfByChaptersController.java b/src/main/java/stirling/software/SPDF/controller/api/SplitPdfByChaptersController.java
index 80ec89738..94cf6aa6d 100644
--- a/src/main/java/stirling/software/SPDF/controller/api/SplitPdfByChaptersController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/SplitPdfByChaptersController.java
@@ -131,7 +131,7 @@ public class SplitPdfByChaptersController {
             Integer bookmarkLevel =
                     request.getBookmarkLevel(); // levels start from 0 (top most bookmarks)
             if (bookmarkLevel < 0) {
-                return ResponseEntity.badRequest().body("Invalid bookmark level".getBytes());
+                throw new IllegalArgumentException("Invalid bookmark level");
             }
             sourceDocument = pdfDocumentFactory.load(file);
 
@@ -139,7 +139,7 @@ public class SplitPdfByChaptersController {
 
             if (outline == null) {
                 log.warn("No outline found for {}", file.getOriginalFilename());
-                return ResponseEntity.badRequest().body("No outline found".getBytes());
+                throw new IllegalArgumentException("No outline found");
             }
             List<Bookmark> bookmarks = new ArrayList<>();
             try {