Class: Rack::FileNotFound

Inherits:
Object show all
Defined in:
lib/kiss/rack/file_not_found.rb

Overview

Rack::FileNotFound rescues file-not-found exceptions (raised when action template files are not found) and returns an HTTP 404 error response.

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ FileNotFound

Returns a new instance of FileNotFound.



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# File 'lib/kiss/rack/file_not_found.rb', line 6

def initialize(app, options = {})
  @_app = app
  
  path = options[:path]
  @_body = path ? (
    ::File.file?(path) ?
      ::File.read(path) :
      template('could not find specified FileNotFound error document')
    ) : template
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/kiss/rack/file_not_found.rb', line 17

def call(env)
  code, headers, body = @_app.call(env)
rescue Kiss::FileNotFoundError => e
  [ 404, {
    "Content-Type" => "text/html",
    "Content-Length" => @_body.content_length.to_s
  }, @_body ]
end

#template(error = nil) ⇒ Object 



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# File 'lib/kiss/rack/file_not_found.rb', line 26

def template(error = nil)
  "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n<html lang=\"en\">\n<head>\n  <meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\" />\n  <meta name=\"robots\" content=\"NONE,NOARCHIVE\" />\n  <title>File Not Found</title>\n</head>\n<body>\n<h1>404 File Not Found</h1>\n\n\#{error ? \"<p>Additionally, \#{error}.</p>\" : ''}\n</body>\n</html>\n"
end