Prevent NumberFormatException for blank input string

matthias-ronge · Mar 26, 2024 · 84180f2 · 84180f2
1 parent c5bc6a8
commit 84180f2
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/Kitodo/src/main/java/org/kitodo/production/interfaces/activemq/MapMessageObjectReader.java b/Kitodo/src/main/java/org/kitodo/production/interfaces/activemq/MapMessageObjectReader.java
@@ -27,6 +27,7 @@
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.util.Strings;
 
 public class MapMessageObjectReader {
 
@@ -129,8 +130,8 @@ public String getMandatoryString(String key) throws JMSException {
     public Collection<Integer> getCollectionOfInteger(String key) throws JMSException {
         Collection<String> collectionOfString = getCollectionOfString(key);
         List<Integer> collectionOfInteger = collectionOfString.stream()
-                .flatMap(string -> Arrays.stream(string.split("\\D+"))).map(Integer::valueOf)
-                .collect(Collectors.toList());
+                .flatMap(string -> Arrays.stream(string.split("\\D+"))).filter(Strings::isNotBlank)
+                .map(Integer::valueOf).collect(Collectors.toList());
         return collectionOfInteger;
     }