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Sinatra extension for Linked Data content negotiation.
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README.md

Linked Data Content Negotiation for Sinatra Applications

This is a Sinatra extension that provides Linked Data content negotiation for Sinatra applications.

Gem Version Build Status

Features

Examples

Adding Linked Data content negotiation to a classic Sinatra application

#!/usr/bin/env ruby -rubygems
require 'sinatra'
require 'sinatra/linkeddata'

get '/hello' do
  RDF::Graph.new do |graph|
    graph << [RDF::Node.new, RDF::DC.title, "Hello, world!"]
  end
end

Adding Linked Data content negotiation to a modular Sinatra application

#!/usr/bin/env ruby -rubygems
require 'sinatra/base'
require 'sinatra/linkeddata'

module My
  class Application < Sinatra::Base
    register Sinatra::LinkedData

    get '/hello' do
      RDF::Graph.new do |graph|
        graph << [RDF::Node.new, RDF::DC.title, "Hello, world!"]
      end
    end
  end
end

My::Application.run! :host => '127.0.0.1', :port => 4567

Adding Linked Data content negotiation to a Rackup application

#!/usr/bin/env rackup
require 'sinatra/base'
require 'sinatra/linkeddata'

module My
  class Application < Sinatra::Base
    register Sinatra::LinkedData

    get '/hello' do
      RDF::Graph.new do |graph|
        graph << [RDF::Node.new, RDF::DC.title, "Hello, world!"]
      end
    end
  end
end

run My::Application

Testing Linked Data content negotiation using rackup and curl

$ rackup doc/examples/config.ru

$ curl -iH "Accept: application/n-triples" http://localhost:9292/hello
$ curl -iH "Accept: application/turtle" http://localhost:9292/hello
$ curl -iH "Accept: application/rdf+xml" http://localhost:9292/hello
$ curl -iH "Accept: application/json" http://localhost:9292/hello
$ curl -iH "Accept: application/trix" http://localhost:9292/hello
$ curl -iH "Accept: */*" http://localhost:9292/hello

Description

Sinatra::LinkedData is a thin Sinatra-specific wrapper around the Rack::LinkedData middleware, which implements Linked Data content negotiation for Rack applications.

At the moment the Sinatra extension simply corresponds to doing the following manually in a Sinatra application:

require 'rack/linkeddata'

module My
  class Application < Sinatra::Base
    use     Rack::LinkedData::ContentNegotiation
    helpers Sinatra::LinkedData::Helpers
    include RDF
    include LinkedData
  end
end

See the Rack::LinkedData documentation for more information on the operation and details of the content negotiation.

Documentation

Dependencies

Installation

The recommended installation method is via RubyGems. To install the latest official release of the gem, do:

% [sudo] gem install sinatra-linkeddata

Download

To get a local working copy of the development repository, do:

% git clone git://github.com/ruby-rdf/sinatra-linkeddata.git

Alternatively, you can download the latest development version as a tarball as follows:

% wget http://github.com/ruby-rdf/sinatra-linkeddata/tarball/master

References

Authors

License

Sinatra::LinkedData is free and unencumbered public domain software. For more information, see http://unlicense.org/ or the accompanying UNLICENSE file.

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