Don’t hand in null to function not allowing it
[Sone.git] / src / main / java / net / pterodactylus / sone / database / memory / MemoryPost.java
index e0f83c2..75eae49 100644 (file)
@@ -21,10 +21,13 @@ import static com.google.common.base.Optional.fromNullable;
 
 import java.util.UUID;
 
+import javax.annotation.Nullable;
+
 import net.pterodactylus.sone.data.Post;
 import net.pterodactylus.sone.data.Sone;
 import net.pterodactylus.sone.database.SoneProvider;
 
+import com.google.common.base.Function;
 import com.google.common.base.Optional;
 
 /**
@@ -120,7 +123,13 @@ class MemoryPost implements Post {
         */
        @Override
        public Optional<Sone> getRecipient() {
-               return fromNullable(soneProvider.getSone(recipientId));
+               return Optional.fromNullable(recipientId).transform(new Function<String, Sone>() {
+                       @Nullable
+                       @Override
+                       public Sone apply(String input) {
+                               return soneProvider.getSone(input);
+                       }
+               });
        }
 
        /**