class ManifestBase.Factory
  @types: () ->
    {}
  
  @default_type: () ->
    null
  
  @factory: (parent, name, json, module_name, klass) -> 
    module_message = ManifestBase.module_message(parent.module_names(), [module_name, name])
    json['type'] ||= klass.default_type()
    type = json['type']
    ManifestBase.alert_undefined_message('type', module_message) if not type
    my_class = klass.types()[type]
    ManifestBase.alert_undefined_message('class', module_message) if not my_class
    new my_class(parent, name, json, module_name)
  
  @factory_type_args: (parent, json, module_name, klass) ->
    module_message = ManifestBase.module_message(parent.module_names(), [module_name])
    json['type'] ||= klass.default_type()
    type = json['type']
    ManifestBase.alert_undefined_message('type', module_message) if not type
    my_class = klass.types()[type]
    ManifestBase.alert_undefined_message('class', module_message) if not my_class
    new my_class(parent, json, module_name)