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Class: ActionView::StreamingTemplateRenderer::Body

Do not use. This class is for internal use only.
Relationships & Source Files
Inherits: Object
Defined in: actionview/lib/action_view/renderer/streaming_template_renderer.rb

Overview

A valid Rack::Body (i.e. it responds to each). It is initialized with a block that, when called, starts rendering the template.

Class Method Summary

Instance Method Summary

Constructor Details

.new(&start) ⇒ Body

[ GitHub ] 

  


# File 'actionview/lib/action_view/renderer/streaming_template_renderer.rb', line 15



def initialize(&start)
  @start = start
end


  







Instance Method Details



  

    #each(&block)  
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/renderer/streaming_template_renderer.rb', line 19



def each(&block)
  begin
    @start.call(block)
  rescue Exception => exception
    log_error(exception)
    block.call ActionView::Base.streaming_completion_on_exception
  end
  self
end


  








  

    #log_error(exception)   (private)
  



  

    

This is the same logging logic as in ShowExceptions middleware.


  



  [ GitHub ]


  

  


# File 'actionview/lib/action_view/renderer/streaming_template_renderer.rb', line 31



def log_error(exception)
  logger = ActionView::Base.logger
  return unless logger

  message = +"\n#{exception.class} (#{exception.message}):\n"
  message << exception.annotated_source_code.to_s if exception.respond_to?(:annotated_source_code)
  message << "  " << exception.backtrace.join("\n  ")
  logger.fatal("#{message}\n\n")
end