def isManifestCommand(self, line):
        assert line is not None

        parser = InsideSetParser("xml")
        isValid = parser.isValidLine(line)

        return isValid
    def getCommandFor(self, line):
        assert line is not None

        parser = InsideSetParser("xml")
        result = parser.parseLine(line)

        command = PatchManifestCommand(result[0], result[1], result[2])
        return command