=head1 NAME

Travel::Routing::DE::EFA::Exception - Travel::Routing::DE::EFA Exceptions

=head1 DESCRIPTION

All Exceptions thrown by Travel::Routing::DE::EFA are
Travel::Routing::DE::EFA::Exception objects created by Exception::Class(3pm).

See Exception::Class::Base(3pm) for their common methods.

=head1 LIST OF EXCEPTIONS

=head2 Travel::Routing::DE::EFA::Exception::Setup

An argument to B<new> had an invalid format.

Additional methods:

=over

=item $exception->option

The option in which the error occurred.

=item $exception->have

The argument we got.

=item $exception->want

What kind of argument we want.

=back

=head2 Travel::Routing::DE::EFA::Exception::Net

The HTTP request to the efa interface failed. Contains an HTTP::Response(3pm)
object describing the error in B<http_response>.

=head2 Travel::Routing::DE::EFA::Exception::NoData

We got no parsable data from the EFA service

=head2 Travel::Routing::DE::EFA::Exception::Ambiguous

Our request contained ambiguous data. B<post_key> contains the relevant POST
key and B<post_value> the corresponding input value.  B<possibilities> is a
pipe-separated string of acceptable values reported by the EFA service.

=head2 Travel::Routing::DE::EFA::Exception::NoConnections

The EFA service found no connections for our request.

=head1 SEE ALSO

Travel::Routing::DE::EFA(3pm)