Prevented possible NullPointerException's

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

diff --git a/src/main/java/de/juplo/jpa/converters/ZoneOffsetConverter.java b/src/main/java/de/juplo/jpa/converters/ZoneOffsetConverter.java
index f948b54..eca057f 100644 (file)
--- a/src/main/java/de/juplo/jpa/converters/ZoneOffsetConverter.java
+++ b/src/main/java/de/juplo/jpa/converters/ZoneOffsetConverter.java
@@ -15,12 +15,16 @@ public class ZoneOffsetConverter implements AttributeConverter<ZoneOffset, Strin
   @Override
   public String convertToDatabaseColumn(ZoneOffset offset)
   {
+    if (offset == null)
+      return null;
     return offset.getId();
   }
 
   @Override
   public ZoneOffset convertToEntityAttribute(String string)
   {
+    if (string == null)
+      return null;
     return ZoneOffset.of(string);
   }
 }