"""
.. codeauthor:: Tsuyoshi Hombashi <tsuyoshi.hombashi@gmail.com>
"""


class NotSupportedError(Exception):
    pass


class EmptyTableNameError(Exception):
    """
    Exception raised when a table writer class of the |table_name| attribute
    is null and the class is not accepted null |table_name|.
    """


class EmptyValueError(Exception):
    """
    Exception raised when a table writer class of the |value_matrix| attribute
    is null, and the class is not accepted null |value_matrix|.
    """


class EmptyTableDataError(Exception):
    """
    Exception raised when a table writer class of the |headers| and
    |value_matrix| attributes are null.
    """


class WriterNotFoundError(Exception):
    """
    Exception raised when appropriate loader writer found.
    """