Class: Goliath::Rack::Formatters::JSON

Inherits:
Object
  • Object
show all
Defined in:
lib/goliath/rack/formatters/json.rb

Overview

A JSON formatter. Uses MultiJson so you can use the JSON encoder that is right for your project.

Examples:

use Goliath::Rack::Formatters::JSON

Instance Method Summary (collapse)

Constructor Details

- (Goliath::Rack::Formatters::JSON) initialize(app)

Called by the framework to create the formatter. 



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# File 'lib/goliath/rack/formatters/json.rb', line 15

def initialize(app)
  @app = app
end

Instance Method Details

- (Object) call(env) 



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# File 'lib/goliath/rack/formatters/json.rb', line 19

def call(env)
  async_cb = env['async.callback']
  env['async.callback'] = Proc.new do |status, headers, body|
    async_cb.call(post_process(status, headers, body))
  end

  status, headers, body = @app.call(env)
  post_process(status, headers, body)
end

- (Boolean) json_response?(headers)

Returns:

  • (Boolean) 


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# File 'lib/goliath/rack/formatters/json.rb', line 36

def json_response?(headers)
  headers['Content-Type'] =~ %r{^application/(json|javascript)}
end

- (Object) post_process(status, headers, body) 



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# File 'lib/goliath/rack/formatters/json.rb', line 29

def post_process(status, headers, body)
  if json_response?(headers)
    body = [MultiJson.encode(body)]
  end
  [status, headers, body]
end