- Validation.begin().isNotNull("Sone", sone).isNotNull("Album", album).isNotNull("Temporary Image", temporaryImage).check().is("Local Sone", sone.isLocal()).check().isEqual("Owner and Album Owner", sone, album.getSone()).check();
+ checkNotNull(sone, "sone must not be null");
+ checkNotNull(album, "album must not be null");
+ checkNotNull(temporaryImage, "temporaryImage must not be null");
+ checkArgument(sone.isLocal(), "sone must be a local Sone");
+ checkArgument(sone.equals(album.getSone()), "album must belong to the given Sone");