This will execute cmd to fetch file data from FMServer

def getFile(self, file_xml_uri):
		""" This will execute cmd to fetch file data from FMServer """
		find = re.match('/fmi/xml/cnt/([\w\d.-]+)\.([\w]+)?-*', file_xml_uri)

		file_name = find.group(1)
		file_extension = find.group(2)
		file_binary = self._doRequest(is_file=True, file_xml_uri=file_xml_uri)
		return (file_name, file_extension, file_binary)