Class: Refine

Inherits:
Object
  • Object
show all
Defined in:
lib/google_refine.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url) ⇒ Refine

Returns a new instance of Refine.



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# File 'lib/google_refine.rb', line 64

def initialize(url)
  self.url = url
end

Instance Attribute Details

#url ⇒ Object

Returns the value of attribute url.



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# File 'lib/google_refine.rb', line 62

def url
  @url
end

Instance Method Details

#create_importing_job ⇒ Object 



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# File 'lib/google_refine.rb', line 75

def create_importing_job
  response = RestClient.post("#{self.url}/command/core/create-importing-job", nil)
  job_id = JSON[response]["jobID"]
  Job.new(self, job_id)
end

#create_project(filename, param = {}) ⇒ Object 



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# File 'lib/google_refine.rb', line 87

def create_project(filename, param = {})

  param[:project_name] ||= File.basename(filename)

  if self.version >= "2.5"
    begin
      options = {}
      options[:projectName]            = param[:project_name]
      options[:encoding]               = param[:encoding]                  || "UTF-8"
      options[:separator]              = param[:separator]                 || "\t"
      options[:headerLines]            = param[:header_lines]              || 1
      options[:limit]                  = param[:limit]
      options[:guessCellValueTypes]    = param[:guess_value_type]          || false
      options[:processQuotes]          = true

      job = create_importing_job
      job.load_raw_data(filename)
      project = job.create_project(options)
      project
    ensure
      job.cancel if job
    end
  elsif [ "2.0", "2.1" ].include?(self.version)
    begin
      RestClient.post("#{self.url}/command/core/create-project-from-upload",
        Hash[
         {  project_name:      param[:project_name],
            header_lines:      param[:header_lines],
            limit:             param[:limit],
            guess_value_type:  param[:guess_value_type],
            ignore_quotes:     ! param[:process_quotes],
            project_file:  File.new(filename, "rb")
          }.map { |key, value| [ key.to_s.gsub('_', '-'), value ] }
        ]
      )
    rescue RestClient::Found
      project_id = $!.response.headers[:location].match(/project=(\d+)/)[1]
      Project.new(self, project_id)
    end
  end

end

#version ⇒ Object 



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# File 'lib/google_refine.rb', line 81

def version
  response = RestClient.get("#{self.url}/command/core/get-version")
  JSON[response]['version']
end