Class: RoadForest::Resource::RDF::ReadOnly

Inherits:
Webmachine::Resource
  • Object
show all
Defined in:
lib/roadforest/resource/rdf/read-only.rb

Overview

Used for a resource that presents a read-only representation

Direct Known Subclasses

LeafItem, List, ParentItem

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#model ⇒ Object

Returns the value of attribute model.



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 18

def model
  @model
end

#trace ⇒ Object

Returns the value of attribute trace.



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 18

def trace
  @trace
end

Class Method Details

.register(method_name) ⇒ Object 



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 12

def self.register(method_name)
  RoadForest::Resource.registry.add(method_name, self)
end

Instance Method Details

#content_types_provided ⇒ Object 



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 85

def content_types_provided
  model.type_handling.renderers.type_map
rescue => ex
  super
end

#expires ⇒ Object 



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 115

def expires
  @model.expires
end

#finish_request ⇒ Object

Add cache-control headers here



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 100

def finish_request
end

#generate_etag ⇒ Object 



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 107

def generate_etag
  @model.etag
end

#is_authorized?(header) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/roadforest/resource/rdf/read-only.rb', line 91

def is_authorized?(header)
  @authorization = @model.authorization(request.method, header)
  if(@authorization == :public || @authorization == :granted)
    return true
  end
  @model.authentication_challenge
end

#last_modified ⇒ Object 



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 111

def last_modified
  @model.last_modified
end

#method(name) ⇒ Object 



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 75

def method(name)
  if model.nil?
    super
  else
    model.type_handling.fetch(name).method(:call)
  end
rescue KeyError
  super
end

#model_supports(action) ⇒ Object

def known_methods

  super + ["PATCH"]
end



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 55

def model_supports(action)
  @model.respond_to?(action)
end

#params ⇒ Object

RoadForest interface



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 22

def params
  params = Application::Parameters.new do |params|
    params.path_info = @request.path_info
    params.query_params = @request.query_params
    params.path_tokens = @request.path_tokens
  end
end

#request_accept_header ⇒ Object 



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 34

def request_accept_header
  request.headers["Accept"] || "*/*"
end

#request_uri ⇒ Object 



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 30

def request_uri
  request.uri.to_s.sub(/[?]\Z/, '')
end

#resource_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/roadforest/resource/rdf/read-only.rb', line 103

def resource_exists?
  @model.exists?
end

#response_body=(body) ⇒ Object 



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 42

def response_body=(body)
  response.body = body
end

#response_content_type=(type) ⇒ Object 



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 38

def response_content_type=(type)
  response.headers["Content-Type"] = type
end

#retrieve_model ⇒ Object Also known as: retreive_model 



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 46

def retrieve_model
  absolutize(@model.canonical_host, @model.retrieve)
end

#send(*args) ⇒ Object

Overridden rather than metaprogram content type methods



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# File 'lib/roadforest/resource/rdf/read-only.rb', line 65

def send(*args)
  if args.length == 1 and not model.nil?
    model.type_handling.fetch(args.first).call(self)
  else
    super
  end
rescue KeyError
  super
end

#trace? ⇒ Boolean

Webmachine interface

Returns:

  • (Boolean) 


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# File 'lib/roadforest/resource/rdf/read-only.rb', line 60

def trace?
  !!@trace
end