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.\" ========================================================================
.\"
.IX Title "HTTP::Response::Encoding 3pm"
.TH HTTP::Response::Encoding 3pm "2009-07-12" "perl v5.10.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
HTTP::Response::Encoding \- Adds encoding() to HTTP::Response
.SH "VERSION"
.IX Header "VERSION"
\&\f(CW$Id:\fR Encoding.pm,v 0.5 2007/05/12 09:24:15 dankogai Exp $
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\& use LWP::UserAgent;
\& use HTTP::Response::Encoding;
\&
\& my $ua = LWP::UserAgent\->new();
\& my $res = $ua\->get("http://www.example.com/");
\& warn $res\->encoding;
.Ve
.SH "EXPORT"
.IX Header "EXPORT"
Nothing.
.SH "METHODS"
.IX Header "METHODS"
This module adds the following methods to HTTP::Response objects.
.ie n .IP """$res\->charset""" 2
.el .IP "\f(CW$res\->charset\fR" 2
.IX Item "$res->charset"
Tells the charset \fIexactly as appears\fR in the \f(CW\*(C`Content\-Type:\*(C'\fR header.
Note that the presence of the charset does not guarantee if the
response content is decodable via Encode.
.Sp
To normalize this, you should try
.Sp
.Vb 1
\& $res\->encoder\->mime_name; # with Encode 2.21 or above
.Ve
.Sp
or
.Sp
.Vb 3
\& use I18N::Charset;
\& # ...
\& mime_charset_name($res\->encoding);
.Ve
.ie n .IP """$res\->encoder""" 2
.el .IP "\f(CW$res\->encoder\fR" 2
.IX Item "$res->encoder"
Returns the corresponding encoder object or undef if it can't.
.ie n .IP """$res\->encoding""" 2
.el .IP "\f(CW$res\->encoding\fR" 2
.IX Item "$res->encoding"
Tells the content encoding in the canonical name in Encode.
Returns undef if it can't.
.Sp
For most cases, you are more likely to successfully find encoding
after \s-1GET\s0 than \s-1HEAD\s0. HTTP::Response is smart enough to parse
.Sp
.Vb 1
\&
.Ve
.Sp
But you need the content to let HTTP::Response parse it.
If you don't want to retrieve the whole content but interested in its
encoding, try something like below;
.Sp
.Vb 4
\& my $req = HTTP::Request\->new(GET => $uri);
\& $req\->headers\->header(Range => "bytes=0\-4095"); # just 1st 4k
\& my $res = $ua\->request($req);
\& warn $res\->encoding;
.Ve
.ie n .IP """$res\->decoded_content""" 2
.el .IP "\f(CW$res\->decoded_content\fR" 2
.IX Item "$res->decoded_content"
Discontinued since HTTP::Message already has this method.
.Sp
See HTTP::Message for details.
.SH "INSTALLATION"
.IX Header "INSTALLATION"
To install this module, run the following commands:
.PP
.Vb 4
\& perl Makefile.PL
\& make
\& make test
\& make install
.Ve
.SH "AUTHOR"
.IX Header "AUTHOR"
Dan Kogai, \f(CW\*(C`\*(C'\fR
.SH "BUGS"
.IX Header "BUGS"
Please report any bugs or feature requests to
\&\f(CW\*(C`bug\-http\-response\-encoding at rt.cpan.org\*(C'\fR, or through the web interface at
.
I will be notified, and then you'll automatically be notified of progress on
your bug as I make changes.
.SH "SUPPORT"
.IX Header "SUPPORT"
You can find documentation for this module with the perldoc command.
.PP
.Vb 1
\& perldoc HTTP::Response::Encoding
.Ve
.PP
You can also look for information at:
.IP "\(bu" 4
AnnoCPAN: Annotated \s-1CPAN\s0 documentation
.Sp
.IP "\(bu" 4
\&\s-1CPAN\s0 Ratings
.Sp
.IP "\(bu" 4
\&\s-1RT:\s0 \s-1CPAN\s0's request tracker
.Sp
.IP "\(bu" 4
Search \s-1CPAN\s0
.Sp
.SH "ACKNOWLEDGEMENTS"
.IX Header "ACKNOWLEDGEMENTS"
\&\s-1GAAS\s0 for \s-1LWP\s0.
.PP
\&\s-1MIYAGAWA\s0 for suggestions.
.SH "COPYRIGHT & LICENSE"
.IX Header "COPYRIGHT & LICENSE"
Copyright 2007 Dan Kogai, all rights reserved.
.PP
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.