class<\/span> NoWWW<\/span><\/div> <\/div>
STARTS_WITH_WWW<\/span> =<\/span> /^www\\./i<\/span><\/div> <\/div>
def<\/span> initialize<\/span>(<\/span>app<\/span>)<\/span><\/div> @app<\/span> =<\/span> app<\/span><\/div> end<\/span><\/div> <\/div>
def<\/span> call<\/span>(<\/span>env<\/span>)<\/span><\/div> if<\/span> env<\/span>[<\/span>'HTTP_HOST'<\/span>]<\/span> =~<\/span> STARTS_WITH_WWW<\/span><\/div> [<\/span>301<\/span>,<\/span> {<\/span> 'Location'<\/span> =><\/span> Rack<\/span>::<\/span>Request<\/span>.<\/span>new<\/span>(<\/span>env<\/span>)<\/span>.<\/span>url<\/span>.<\/span>sub<\/span>(<\/span>/www\\./i<\/span>,<\/span> ''<\/span>)<\/span> },<\/span> [<\/span>'Redirecting...'<\/span>]]<\/span><\/div> else<\/span><\/div> @app<\/span>.<\/span>call<\/span>(<\/span>env<\/span>)<\/span><\/div> end<\/span><\/div> end<\/span><\/div> <\/div>
end<\/span><\/div> <\/div><\/pre><\/div>\n \n <\/div>\n\n