Prevented possible NullPointerException's

[jpa-converters] / src / main / java / de / juplo / jpa / converters / YearConverter.java

diff --git a/src/main/java/de/juplo/jpa/converters/YearConverter.java b/src/main/java/de/juplo/jpa/converters/YearConverter.java
index 59875a6..6e22267 100644 (file)
--- a/src/main/java/de/juplo/jpa/converters/YearConverter.java
+++ b/src/main/java/de/juplo/jpa/converters/YearConverter.java
@@ -15,12 +15,16 @@ public class YearConverter implements AttributeConverter<Year, Integer>
   @Override
   public Integer convertToDatabaseColumn(Year year)
   {
+    if (year == null)
+      return null;
     return year.getValue();
   }
 
   @Override
   public Year convertToEntityAttribute(Integer integer)
   {
+    if (integer == null)
+      return null;
     return Year.of(integer);
   }
 }