From d02623ec939a8054ec4b74078a0329771ea8c8c9 Mon Sep 17 00:00:00 2001
From: Tim Bernhard <tim@bernhard-webstudio.ch>
Date: Tue, 23 Jan 2024 16:05:56 +0100
Subject: [PATCH] Allow empty ISO dates

---
 .../edu/harvard/mcz/imagecapture/data/MetadataRetriever.java   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/edu/harvard/mcz/imagecapture/data/MetadataRetriever.java b/src/main/java/edu/harvard/mcz/imagecapture/data/MetadataRetriever.java
index 45f8c0f..53a2684 100644
--- a/src/main/java/edu/harvard/mcz/imagecapture/data/MetadataRetriever.java
+++ b/src/main/java/edu/harvard/mcz/imagecapture/data/MetadataRetriever.java
@@ -117,6 +117,9 @@ public boolean verify(JComponent comp) {
                     if (content.length() > getFieldLength(aTableClass, fieldname)) {
                         returnValue = false;
                     } else {
+                        if (content.length() < 1) {
+                            return true;
+                        }
                         if (!content.matches(ImageCaptureApp.REGEX_DATE)) {
                             returnValue = false;
                         }