'get the data for a particular value'

@staticmethod
def get_cert_data(path, content):

    if ((not path) and (not content)):
        return None
    rval = None
    if (path and os.path.exists(path) and os.access(path, os.R_OK)):
        rval = open(path).read()
    elif content:
        rval = content
    return rval
