Class: Waw::Kern::App

Inherits:
Object show all
Includes:
Rack::Delegator, FreezedState, Hooks, Lifecycle, LivingState, Utils
Defined in:
lib/waw/kern/app.rb

Overview

Kernel waw application

Instance Attribute Summary

Attributes included from FreezedState

#app, #config, #deploy_words, #logger, #resources, #root_folder, #routing

Instance Method Summary collapse

Methods included from Lifecycle

#autoload, #load_application, #load_config, #load_deploy, #load_logger, #load_resources, #load_routing, #reload, #unload

Methods included from Utils

#find_web_root

Methods included from Hooks

#add_start_hook, #add_unload_hook, #execute_hooks, #hooks

Methods included from LivingState

#clean_living_state, #install_living_state, #params, #rack_env, #real_session, #request, #response, #session, #waw_state

Methods included from Rack::Delegator

#_visit, #delegate, #find_rack_app, #find_url_of, #has_delegate?, #is_delegate?, #visit

Constructor Details

#initialize(identifier = nil, options = {}) ⇒ App

Creates a kernel application instance



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# File 'lib/waw/kern/app.rb', line 13

def initialize(identifier = nil, options = {})
  @options = options
end

Instance Method Details

#call(env) ⇒ Object

Installs the environment and delegates to the business application



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# File 'lib/waw/kern/app.rb', line 19

def call(env)
  install_living_state(env)
  if app=self.app
    app.call(env)
  else
    [503, {'Content-Type' => 'text/plain'}, ['This waw application is unloaded']]
  end
rescue ::WLang::Error => ex
  # On exception, returns a 500 with a message
  logger.error("Fatal error #{ex.message}")
  logger.error(ex.wlang_backtrace.join("\n"))
  logger.error(ex.backtrace.join("\n"))
  [500, {'Content-Type' => 'text/plain'}, ['500 Internal Server Error']]
rescue Exception => ex
  # On exception, returns a 500 with a message
  logger.error("Fatal error #{ex.message}")
  logger.error(ex.backtrace.join("\n"))
  [500, {'Content-Type' => 'text/plain'}, ['500 Internal Server Error']]
ensure
  clean_living_state
end

#identifier ⇒ Object

Returns an identifier for this kernel application



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# File 'lib/waw/kern/app.rb', line 42

def identifier
  @identifier || "No identifier (#{root_folder}/#{routing})"
end