Class: Fredo::Handler
- Inherits:
-
Object
- Object
- Fredo::Handler
- Defined in:
- lib/fredo/handler.rb
Overview
:nodoc:
Instance Attribute Summary collapse
-
#env ⇒ Object
Returns the value of attribute env.
-
#params ⇒ Object
Returns the value of attribute params.
-
#request ⇒ Object
Returns the value of attribute request.
-
#response ⇒ Object
Returns the value of attribute response.
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#dispatch! ⇒ Object
Dispatch a request with error handling.
- #handle_exception!(boom) ⇒ Object
- #handle_not_found!(boom) ⇒ Object
- #perform!(&block) ⇒ Object
- #respond! ⇒ Object
- #route! ⇒ Object
- #routes_for_host? ⇒ Boolean
Instance Attribute Details
#env ⇒ Object
Returns the value of attribute env.
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# File 'lib/fredo/handler.rb', line 4 def env @env end |
#params ⇒ Object
Returns the value of attribute params.
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# File 'lib/fredo/handler.rb', line 4 def params @params end |
#request ⇒ Object
Returns the value of attribute request.
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# File 'lib/fredo/handler.rb', line 4 def request @request end |
#response ⇒ Object
Returns the value of attribute response.
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# File 'lib/fredo/handler.rb', line 4 def response @response end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/fredo/handler.rb', line 6 def call(env) @env = env @request = Rack::Request.new(env) @params = @request.params @response = Response.new([],200,{}) dispatch! respond! end |
#dispatch! ⇒ Object
Dispatch a request with error handling.
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# File 'lib/fredo/handler.rb', line 18 def dispatch! route! end |
#handle_exception!(boom) ⇒ Object
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# File 'lib/fredo/handler.rb', line 67 def handle_exception!(boom) @env['fredo.error'] = boom @response.body = ["<h1>You broke my heart Fredo!</h1><h5>Fredo raised an exception.</h5><tt>#{boom.inspect}</tt>"] @response.status = 500 # raise Mixup.new("original error: #{boom.inspect}") if Fredo.allow_exceptions? end |
#handle_not_found!(boom) ⇒ Object
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# File 'lib/fredo/handler.rb', line 61 def handle_not_found!(boom) @env['fredo.error'] = boom @response.status = 404 @response.body = ['<h1>Not Found</h1>'] end |
#perform!(&block) ⇒ Object
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# File 'lib/fredo/handler.rb', line 74 def perform!(&block) if block_given? @response['Content-Type']= 'text/html' res = instance_eval(&block) case when res.respond_to?(:to_str) @response.body = [res] when res.respond_to?(:to_ary) res = res.to_ary if Fixnum === res.first if res.length == 3 @response.status, headers, body = res @response.body = body if body headers.each { |k, v| @response.headers[k] = v } if headers elsif res.length == 2 @response.status = res.first @response.body = res.last else raise TypeError, "#{res.inspect} not supported" end else @response.body = res end when res.respond_to?(:each) @response.body = res when (100...599) === res @response.status = res end end rescue ::Exception => boom handle_exception!(boom) end |
#respond! ⇒ Object
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# File 'lib/fredo/handler.rb', line 109 def respond! status, header, body = @response.finish [status, header, body] end |
#route! ⇒ Object
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# File 'lib/fredo/handler.rb', line 28 def route! if routes = routes_for_host? path = URI.unescape(@request.path_info) routes.each do |pattern, keys, conditions, block| if match = pattern.match(path) values = match.captures.to_a params = if keys.any? keys.zip(values).inject({}) do |hash,(k,v)| if k == :splat (hash[k] ||= []) << v else hash[k.to_sym] = v end hash end elsif values.any? {'captures' => values} else {} end @params.merge!(params) perform!(&block) return end end end raise NotFound end |