def importHelper(self, struct):
        m = StrStrHashMap()
        keysAndValues = struct.get(self.__field)
        for i in range(0, len(keysAndValues), 2):
            m[keysAndValues[i]] = keysAndValues[i+1]
        return m
def visitdir(self, dir):
        dir = normalizerootdir(dir, "visitdir")
        if dir == "":
            dir = self._path
        else:
            dir = self._path + "/" + dir
        return self._matcher.visitdir(dir)