Prevented possible NullPointerException's

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

diff --git a/src/main/java/de/juplo/jpa/converters/PeriodConverter.java b/src/main/java/de/juplo/jpa/converters/PeriodConverter.java
index b241a56..a760b64 100644 (file)
--- a/src/main/java/de/juplo/jpa/converters/PeriodConverter.java
+++ b/src/main/java/de/juplo/jpa/converters/PeriodConverter.java
@@ -15,12 +15,16 @@ public class PeriodConverter implements AttributeConverter<Period, String>
   @Override
   public String convertToDatabaseColumn(Period period)
   {
+    if (period == null)
+      return null;
     return period.toString();
   }
 
   @Override
   public Period convertToEntityAttribute(String string)
   {
+    if (string == null)
+      return null;
     return Period.parse(string);
   }
 }