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.\"
.IX Title "Mail::Milter::Object 3pm"
.TH Mail::Milter::Object 3pm "2004-02-26" "perl v5.8.8" "User Contributed Perl Documentation"
.SH "NAME"
Mail::Milter::Object \- Perl extension to encapsulate a milter in an object
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\&    package Foo;
\&    use base Mail::Milter::Object;
.Ve
.PP
.Vb 6
\&    sub connect_callback {
\&        my $this = shift;
\&        my $ctx = shift;
\&        my @connect_args = @_;
\&        ...
\&    }
.Ve
.PP
.Vb 2
\&    ...
\&    my $milter = new Foo;
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Normally, milters passed to \f(CW\*(C`Sendmail::Milter\*(C'\fR consist of nondescript
hash references.  \f(CW\*(C`Mail::Milter::Object\*(C'\fR transforms these callback hashes
into fully qualified objects that are easier to maintain and understand.
In conjunction with \f(CW\*(C`Mail::Milter::Chain\*(C'\fR, this also allows for a more
modular approach to milter implementation, by allowing each milter to be a
small, granular object that can exist independently of other milters.
.PP
Each object inheriting from this class has access to the hash reference
making up the object itself.  Two caveats must be noted when accessing
this hashref:
.PP
* Key names used for private data should be prefixed by an underscore (_)
in order to prevent accidental recognition as a callback name.
.PP
* Since a milter object can be reused many times throughout its existence,
and perhaps reentrantly if threads are in use, the hashref should contain
only global configuration data for this object rather than per-message
data.  Data stored per message or connection should be stashed in the
milter context object by calling \f(CW\*(C`getpriv()\*(C'\fR and \f(CW\*(C`setpriv()\*(C'\fR on the
context object.
.SH "METHODS"
.IX Header "METHODS"
.IP "\fInew()\fR" 4
.IX Item "new()"
Creates a new \f(CW\*(C`Mail::Milter::Object\*(C'\fR.  The fully qualified class is
scanned for milter callback methods with names of the form
CALLBACK_callback.  If such a method exists, a corresponding callback
entry point is added to this object.
.SH "AUTHOR"
.IX Header "AUTHOR"
Todd Vierling, <tv@duh.org> <tv@pobox.com>
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Mail::Milter, Sendmail::Milter.