radeks

// -setServers:
dictionaryForDuplicateHostnameChecking = [[NSMutableDictionary dictionary] retain]; // release in -dealloc
for (RWServer *server in self.servers) {
  if ([dictionaryForDuplicateHostnameChecking objectForKey:server.hostname]) {
    NSMutableArray *array = [dictionaryForDuplicateHostnameChecking objectForKey:server.hostname];
    [array addObject:server.hostname];
  } else {
    [dictionaryForDuplicateHostnameChecking setObject:[NSMutableArray arrayWithObject:server] forKey:server.hostname];
  }
}