Class: ActionDispatch::DebugExceptions

Inherits:
Object
  • Object
show all
Defined in:
actionpack/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.

Constant Summary collapse

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

Instance Method Summary collapse

Constructor Details

#initialize(app, routes_app = nil) ⇒ DebugExceptions

Returns a new instance of DebugExceptions.



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# File 'actionpack/lib/action_dispatch/middleware/debug_exceptions.rb', line 11

def initialize(app, routes_app = nil)
  @app        = app
  @routes_app = routes_app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'actionpack/lib/action_dispatch/middleware/debug_exceptions.rb', line 16

def call(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 if env['action_dispatch.show_exceptions'] == false
  render_exception(env, exception)
end