class Rack::RouteExceptions
Constants
- EXCEPTION
- PATH_INFO
- RETURNED
- ROUTES
Public Class Methods
new(app)
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# File lib/rack/contrib/route_exceptions.rb, line 20 def initialize(app) @app = app end
route(exception, to)
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# File lib/rack/contrib/route_exceptions.rb, line 12 def route(exception, to) ROUTES.delete_if{|k,v| k == exception } ROUTES << [exception, to] end
Also aliased as: []=
Public Instance Methods
call(env, try_again = true)
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# File lib/rack/contrib/route_exceptions.rb, line 24 def call(env, try_again = true) returned = @app.call(env) rescue Exception => exception raise(exception) unless try_again ROUTES.each do |klass, to| next unless klass === exception return route(to, env, returned, exception) end raise(exception) end
route(to, env, returned, exception)
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# File lib/rack/contrib/route_exceptions.rb, line 37 def route(to, env, returned, exception) env.merge!( PATH_INFO => env['PATH_INFO'], EXCEPTION => exception, RETURNED => returned ) env['PATH_INFO'] = to call(env, try_again = false) end