From: Arun Kumar <arunkumar@...>
Date: 2009-04-07T13:31:43+09:00
Subject: Re: Code duplication

> There are probably better solutions, but the following illustrates the
> point your tutor is making:
> 
> MOZILLA_HEADER = { "User-Agent"=>"Mozilla/4.0 (compatible; MSIE 5.5;
> Windows NT 5.0)" }
> 
> def get_http_response uri, max_redirects = 0
>    Net::HTTP.start(uri) do |connection|
>      response = connection.get(uri.path, MOZILLA_HEADER)
>      response &&= case response
>      when Net::HTTPRedirection
>        if max_redirects > 0 then
>          get_http_response URI.parse(response['Location']),
> (max_redirects - 1)
>        else
>          raise "Too many redirects"
>        end
>      when Net::HTTPRedirection
>        get_http_response URI.parse("http://#{uri.host}:#{uri.port}/"),
> max_redirects
>      end
>    end
> end
> 
> data = get_http_response(my_uri, 3).body


Thanks Ellie,You gave me a clue of not only solving the code
duplication but also about handling the redirects. Thanks a lot.
Regards
Arun
-- 
Posted via http://www.ruby-forum.com/.