def has_url(self):
<EOL>try:<EOL><INDENT>return bool(self._my_map['<STR_LIT:url>'])<EOL><DEDENT>except KeyError:<EOL><INDENT>return False<EOL><DEDENT>
Tests if a URL is associated with this content.

        return: (boolean) - ``true`` if a URL is available, ``false``
                otherwise
        *compliance: mandatory -- This method must be implemented.*