Return absent() instead of null.

diff --git a/src/main/java/net/pterodactylus/sone/core/SoneParser.java b/src/main/java/net/pterodactylus/sone/core/SoneParser.java
index b2d82be..3158a0b 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/core/SoneParser.java
+++ b/src/main/java/net/pterodactylus/sone/core/SoneParser.java
@@ -339,7 +339,7 @@ public class SoneParser {
                String clientVersion = clientXml.getValue("version", null);
                if ((clientName == null) || (clientVersion == null)) {
                        logger.log(Level.WARNING, String.format("Download Sone %s with client XML but missing name or version!", sone));
-                       return null;
+                       return absent();
                }
                return of(new Client(clientName, clientVersion));
        }