noBlankRowsMatcher.scala

  val notHaveBlankRows = new Matcher[Iterable[Map[String, String]]] {
    def apply(x: => Iterable[Map[String, String]]) = {
      (x().forall(row => row.forall(kv => kv._2 != null && kv._2 != "" && kv._2 != None)),
       "No blank rows contained in Iterable.", 
       "Blank rows (all values in row are either '', null or None) found in Iterable.")
    }
  }

def apply(filename: String, code: String): Iterable[Map[String, String]] = {
val tree = apply(code)
if (filename.toUpperCase.endsWith("XLS")) {
ExcelFile(filename, tree).toMapping
} else if (filename.toUpperCase.endsWith("CSV")) {
CSVFile(filename, tree).iterator
} else {
throw new IllegalArgumentException("Don't know how to parse this file extension (%s)".format(filename))
}
}.filter(row => row.forall(kv => kv._2 != null && kv._2 != "" && kv._2 != None))