Class: Ixtlan::Errors::Rack

Inherits:
Object
  • Object
show all
Defined in:
lib/ixtlan/errors/rack.rb

Constant Summary collapse

DEFAULT_MAP = 
{}

Instance Method Summary collapse

Constructor Details

#initialize(app, dumper, map = {}) ⇒ Rack

Returns a new instance of Rack.



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# File 'lib/ixtlan/errors/rack.rb', line 48

def initialize(app, dumper, map = {} )
  @app = app
  @dumper = dumper
  @map = {}
  DEFAULT_MAP.each do |status, list|
    list.each { |exp| @map[ exp ] = status }
  end
  map.each do |status, list|
    list.each { |exp| @map[ exp ] = status }
  end
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/ixtlan/errors/rack.rb', line 64

def call(env)
  begin
    @app.call(env)
  rescue Exception => e
    status = @map[ e.class ] || 500
    if status >= 500
      req = ::Rack::Request.new env
      @dumper.dump( e, env, {}, req.session, req.params )
    end
    warn "[Ixtlan::Errors] #{e.class}: #{e.message}"
    if dump_to_console
      # dump to console and raise exception to let rack create
      # an error page
      warn "\t" + e.backtrace.join( "\n\t" ) if e.backtrace && status >= 500 
      raise e
    else
    [ status, 
      {'Content-Type' =>  'text/plain'}, 
      [ ::Rack::Utils::HTTP_STATUS_CODES[ status ] ] ]
    end
  end
end

#dump_to_console ⇒ Object 



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# File 'lib/ixtlan/errors/rack.rb', line 60

def dump_to_console
  @dumper.keep_dumps == 0
end