Parse an xml.dom Node object representing a configuration data into
        this object.

def parse_xml_node(self, node):
        '''Parse an xml.dom Node object representing a configuration data into
        this object.

        '''
        self.name = node.getAttributeNS(RTS_NS, 'name')
        if node.hasAttributeNS(RTS_NS, 'data'):
            self.data = node.getAttributeNS(RTS_NS, 'data')
        else:
            self.data = ''
        return self