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Manual Reference Pages  -  HTTP::PROXY::HEADERFILTER::SIMPLE (3)

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NAME

HTTP::Proxy::HeaderFilter::simple - A class for creating simple filters

CONTENTS

SYNOPSIS



    use HTTP::Proxy::HeaderFilter::simple;

    # a simple User-Agent filter
    my $filter = HTTP::Proxy::HeaderFilter::simple->new(
        sub { $_[1]->header( User_Agent => foobar/1.0 ); }
    );
    $proxy->push_filter( request => $filter );



DESCRIPTION

HTTP::Proxy::HeaderFilter::simple can create BodyFilter without going through the hassle of creating a full-fledged class. Simply pass a code reference to the filter() method of your filter to the constructor, and you’ll get the adequate filter.

    Constructor calling convention

The constructor is called with a single code reference. The code reference must conform to the standard filter() signature for header filters:



    sub filter { my ( $self, $headers, $message) = @_; ... }



This code reference is used for the filter() method.

METHODS

This filter factory defines the standard HTTP::Proxy::HeaderFilter methods, but those are only, erm, proxies to the actual CODE references passed to the constructor. These proxy methods are:
filter()
begin()
end()
Two other methods are actually HTTP::Proxy::HeaderFilter::simple methods, and are called automatically:
init() Initalise the filter instance with the code references passed to the constructor.
can() Return the actual code reference that will be run, and not the proxy methods. If called with any other name than begin and filter, it calls UNIVERSAL::can() instead.

SEE ALSO

HTTP::Proxy, HTTP::Proxy::HeaderFilter.

AUTHOR

Philippe BooK Bruhat, <book@cpan.org>.

COPYRIGHT

Copyright 2003-2015, Philippe Bruhat.

LICENSE

This module is free software; you can redistribute it or modify it under the same terms as Perl itself.
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perl v5.20.3 HTTP::PROXY::HEADERFILTER::SIMPLE (3) 2015-06-16

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