Module: Emerald

Defined in:
lib/logstash/filters/emerald.rb

Class Method Summary collapse

Class Method Details

.parse(input) ⇒ Object



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# File 'lib/logstash/filters/emerald.rb', line 6

def Emerald.parse (input)

  uri = URI(URI.unescape(input))

  path = uri.path
  params = {}
  if (uri.query)
      params = CGI::parse(uri.query)
  end

  data = {
      "provider" => "emerald"
  }

  if ((match = /^\/series\/([a-z]+)$/.match(path)))
    data['rtype']    = 'BOOKSERIE'
    data['mime']     = 'MISC'
    data['title_id'] = match[1]
    data['unit_id']   = 'series/' +match[1]
  elsif ((match = /^\/doi\/([a-z]+)\/([0-9]{2}\.[0-9]{4,5})\/(([A-Z]{1})([0-9]+)([-])([0-9]+)[(]([0-9]{4})[)]([0-9]+))$/.match(path)))
    
    if (match[1] === 'abs')
      data['rtype']    = 'ABS'
      data['mime']     = 'MISC'
    elsif (match[1] === 'book')
      data['rtype']    = 'BOOKSERIE'
      data['mime']     = 'MISC'
    elsif (match[1] === 'full')
      data['mime']     = 'HTML'
      data['rtype']    = 'ARTICLE'
    elsif (match[1] === 'pdfplus')
      data['mime']     = 'PDFPLUS'
      data['rtype']    = 'ARTICLE'
    else
      data['rtype']    = 'ARTICLE'
      data['mime']     = 'MISC'
    end

    data['publication_date']= match[8]
    data['title_id'] = match[5] +match[6] +match[7]
    data['unit_id'] =data['doi']  = match[2] + '/' + match[3]
  elsif ((match = /^\/loi\/([a-z]+)$/.match(path)))
    
    data['mime']     = 'MISC'
    data['title_id'] = match[1]
    data['unit_id']   = 'loi/' +match[1]
  elsif ((match = /^\/toc\/([a-z]+)\/([0-9]+)\/([0-9]+)/.match(path)))
    data['rtype']    = 'TOC'
    data['mime']     = 'MISC'
    data['title_id'] = match[1]
    data['unit_id']   = match[1] + '/' + match[2] + '/'+ match[3]
  elsif ((match = /^\/doi\/([a-z]+)\/([0-9]{2}\.[0-9]{4,5})\/(([A-Z]+)([-])([0-9]+)([-])([0-9]+)([-])([0-9]+))$/.match(path)))
  
    if (match[1] === 'abs')
      data['rtype']    = 'ABS'
      data['mime']     = 'MISC'
    elsif (match[1] === 'full')
      data['mime']     = 'HTML'
      data['rtype']    = 'ARTICLE'
    elsif (match[1] === 'pdfplus')
      data['mime']     = 'PDFPLUS'
      data['rtype']    = 'ARTICLE'
    else
      data['rtype']    = 'ARTICLE'
    end
  
    data['title_id'] = match[4] 
    data['unit_id'] =data['doi']  = match[2] + '/' + match[3]
  elsif ((match = /^\/doi\/([a-z]+)\/([0-9]{2}\.[0-9]{4,5})\/([0-9]+)$/.match(path)))
  
    if (match[1] === 'abs')
      data['rtype']    = 'ABS'
      data['mime']     = 'MISC'
    elsif (match[1] === 'full')
      data['mime']     = 'HTML'
      data['rtype']    = 'ARTICLE'
    elsif (match[1] === 'pdfplus')
      data['mime']     = 'PDFPLUS'
      data['rtype']    = 'ARTICLE'
    else
      data['rtype']    = 'ARTICLE'
    end
  
    data['title_id'] = match[3] 
    data['unit_id'] =data['doi']  = match[2] + '/' + match[3]
  end


  return data;
end