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Build HTTP Clients easily with Perl 6

branch: master

Added S11 provides

latest commit 68090b5a5f
Timothy Totten authored
Octocat-spinner-32 lib Fixed a bug in multipart POST. October 06, 2011
Octocat-spinner-32 t Enhanced POST tests to use better examples. October 06, 2011
Octocat-spinner-32 .gitignore Some bug fixes. October 03, 2011
Octocat-spinner-32 META.info Added S11 provides February 18, 2014
Octocat-spinner-32 README Updated README October 12, 2012
README
HTTP::Client -- Perl 6 library for building HTTP Clients
-------------------------------------------------------------------------------

NOTE: This library is going to have a major rewrite coming up shortly.
      A lot of things will be gutted and overhauled.
      Stay tuned for more details!

-------------------------------------------------------------------------------

Inspired by LWP and HTTP::Client from Perl 5, and LWP::Simple
from Perl 6, this is a simple class for building HTTP clients 
using Perl 6.

It's not based on any of those when it comes to API, but instead
offers a flexible syntax that's easy to use, and easy to extend.

It currently only supports HTTP itself. HTTP+SSL (HTTPS) support
is planned for a future version.

= Usage =

A simple GET request, without an intermetiary Request object:

  my $client = HTTP::Client.new;
  my $response = $client.get('http://example.com/web/service');
  if ($response.success) {
    say $response.content;
  }

A more advanced POST application/x-www-form-urlencoded request:

  my $client = HTTP::Client.new;
  my $request = $client.post; ## Note we are not setting the URI/URL.
  $request.url('http://example.com/web/service');
  ## The following line creates Request variables called query and mode.
  ## You could also do $request.set-content('query=libwww-perl&mode=dist');
  ## But I think letting the library build your content for you, is nicer.
  $request.add-field(:query<libwww-perl>, :mode<dist>);
  my $response = $request.run; ## or $client.do-request($request);
  ...

A more advanced POST multipart/form-data request:

  my $client = HTTP::Client.new;
  my $request = $client.post(:multipart);
  $request.url('http://example.com/web/service');
  $request.add-field(:id(37271));
  $request.add-file(
    :name("upload"),     :filename("file.txt"), 
    :type("text/plain"), :content("hello world...")
  );
  my $response = $request.run;

= Notes =

As seen above, there is no need to build HTTP::Client::Request objects
manually. Just use the appropriate method (get, post, head, put, delete)
or use $client.make-request($method); for methods that don't have methods
in HTTP::Client (TRACE, OPTIONS, CONNECT, PATCH, DEBUG, etc.)

As it's name states, this library is specifically for HTTP Clients.
If you want something for building HTTP Servers, see HTTP::Easy.
If you want something for Request/Reponse objects for your Web Application, 
see WWW::App. Full disclosure: I wrote both of those libraries too.

Also, there are some weird issues with the IO::Socket::INET library in
the current Rakudo nom, which are affecting connecting to outside servers.
So the tests in the t/ folder currently depend on the HTTP::Easy library,
and in particular, the examples/test.p6 script from HTTP::Easy to be running
before you run the tests.

= Requirements =

* Rakudo Perl 6      <http://rakudo.org/>
* HTTP::Status       <https://github.com/supernovus/perl6-http-status/>
* MIME::Base64       <https://github.com/snarkyboojum/Perl6-MIME-Base64/>

It should also require:

* URI                <https://github.com/ihrd/uri/>

But at the current time, that module is not compiling under "nom" which
the rest of this is focused on, so for the time being, I'm using a very
limited inline URI grammar instead.

= Author =

Timothy Totten

= License =

Artistic License 2.0

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