Class: Doze::Responder::Error

Inherits:
Doze::Responder show all
Defined in:
lib/doze/responder/error.rb

Constant Summary

Constants included from Utils

Utils::URI_SCHEMES

Instance Attribute Summary

Attributes inherited from Doze::Responder

#request

Instance Method Summary collapse

Methods inherited from Doze::Responder

#auth_failed_response, #call, #error_response, #error_response_from_error, #raise_error, #recognized_method

Methods included from Utils

#escape, #quote, #request_base_uri, #unescape

Constructor Details

#initialize(app, request, error) ⇒ Error

Returns a new instance of Error.



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# File 'lib/doze/responder/error.rb', line 3

def initialize(app, request, error)
  super(app, request)
  @error = error
end

Instance Method Details

#response ⇒ Object

We use a resource class to represent for errors to enable content type negotiation for them. The class used is configurable but defaults to Doze::Resource::Error



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# File 'lib/doze/responder/error.rb', line 10

def response
  response = Doze::Response.new
  if @app.config[:error_resource_class]
    extras = {:error => @error}

    if @app.config[:expose_exception_details] && @error.http_status >= 500
      extras[:backtrace] = @error.backtrace
    end

    resource = @app.config[:error_resource_class].new(@error.http_status, @error.message, extras)
    # we can't have it going STATUS_NOT_ACCEPTABLE in the middle of trying to return an error resource, so :ignore_unacceptable_accepts
    responder = Doze::Responder::Resource.new(@app, @request, resource, :ignore_unacceptable_accepts => true)
    entity = responder.get_preferred_representation(response)
    response.entity = entity
  else
    response.headers['Content-Type'] = 'text/plain'
    response.body = @error.message
  end

  response.head_only = true if @request.head?
  response.status = @error.http_status
  response.headers.merge!(@error.headers) if @error.headers
  response
end