Class: Exceptron::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/exceptron/middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, consider_all_requests_local) ⇒ Middleware

Returns a new instance of Middleware.



3
4
5
6
 
# File 'lib/exceptron/middleware.rb', line 3

def initialize(app, consider_all_requests_local)
  @app = app
  @dispatcher = Dispatcher.new(consider_all_requests_local)
end

Instance Method Details

#call(env) ⇒ Object 



8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
# File 'lib/exceptron/middleware.rb', line 8

def call(env)
  begin
    status, headers, body = @app.call(env)
    exception = nil

    # Only this middleware cares about RoutingError. So, let's just raise
    # it here.
    if headers['X-Cascade'] == 'pass'
      raise ActionController::RoutingError, "No route matches [#{env['REQUEST_METHOD']}] #{env['PATH_INFO'].inspect}"
    end
  rescue Exception => exception
    raise exception unless Exceptron.enabled?
    exception = Presenter.new(exception)
    env["exceptron.presenter"] = exception
  end

  exception ? @dispatcher.dispatch(env, exception) : [status, headers, body]
end