Class: PRX::Middleware::Json
- Inherits:
-
Faraday::Middleware
- Object
- Faraday::Middleware
- PRX::Middleware::Json
- Defined in:
- lib/prx/middleware/json.rb
Constant Summary collapse
- CONTENT_TYPE =
'Content-Type'.freeze
Class Attribute Summary collapse
-
.mime_type ⇒ Object
Returns the value of attribute mime_type.
Instance Method Summary collapse
- #call(env) ⇒ Object
- #encode(data) ⇒ Object
- #has_body?(env) ⇒ Boolean
- #match_content_type(env) ⇒ Object
- #process_request?(env) ⇒ Boolean
- #request_type(env) ⇒ Object
Class Attribute Details
.mime_type ⇒ Object
Returns the value of attribute mime_type.
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# File 'lib/prx/middleware/json.rb', line 19 def mime_type @mime_type end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/prx/middleware/json.rb', line 28 def call(env) match_content_type(env) do |data| env.body = encode(data) end @app.call env end |
#encode(data) ⇒ Object
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# File 'lib/prx/middleware/json.rb', line 35 def encode(data) ::JSON.dump(data) end |
#has_body?(env) ⇒ Boolean
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# File 'lib/prx/middleware/json.rb', line 57 def has_body?(env) body = env.body and !(body.respond_to?(:to_str) and body.empty?) end |
#match_content_type(env) ⇒ Object
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# File 'lib/prx/middleware/json.rb', line 39 def match_content_type(env) if process_request?(env) env.request_headers[CONTENT_TYPE] ||= self.class.mime_type yield(env.body) unless env.body.respond_to?(:to_str) end end |
#process_request?(env) ⇒ Boolean
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# File 'lib/prx/middleware/json.rb', line 46 def process_request?(env) type = request_type(env) has_body?(env) and (type.empty? or type == self.class.mime_type) end |
#request_type(env) ⇒ Object
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# File 'lib/prx/middleware/json.rb', line 51 def request_type(env) type = env.request_headers[CONTENT_TYPE].to_s type = type.split(';', 2).first if type.index(';') type end |