Class: ActionDispatch::DebugExceptions

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

Overview

This middleware is responsible for logging exceptions and showing a debugging page in case the request is local.

Defined Under Namespace

Classes: DebugView

Constant Summary collapse

RESCUES_TEMPLATE_PATH = 
File.expand_path("../templates", __FILE__)

Instance Method Summary collapse

Constructor Details

#initialize(app, routes_app = nil, response_format = :default) ⇒ DebugExceptions

Returns a new instance of DebugExceptions.



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# File 'lib/action_dispatch/middleware/debug_exceptions.rb', line 51

def initialize(app, routes_app = nil, response_format = :default)
  @app             = app
  @routes_app      = routes_app
  @response_format = response_format
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/action_dispatch/middleware/debug_exceptions.rb', line 57

def call(env)
  request = ActionDispatch::Request.new env
  _, headers, body = response = @app.call(env)

  if headers["X-Cascade"] == "pass"
    body.close if body.respond_to?(:close)
    raise ActionController::RoutingError, "No route matches [#{env['REQUEST_METHOD']}] #{env['PATH_INFO'].inspect}"
  end

  response
rescue Exception => exception
  raise exception unless request.show_exceptions?
  render_exception(request, exception)
end