Class: Translator

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

Constant Summary collapse

Site_Url = 
'ajax.googleapis.com'
Request_Uri = 
"/ajax/services/language/translate"
SUPPORTED_LANG_CODES = 
['sr','lt','lv','iw','cy','ga','id','de','zh-TW','es','sl','ko','it','eu','az','af','sk','pt-PT','no','gl','bg','ar','tr','fa','mk','el','da','yi','ur','uk','ro','ja','zh','sw','mt','ms','is','ka','en','hr','ca','th','ru','hy','vi','tl','sv','hu','hi','fi','sq','pl','fr','et','nl','cs','zh-CN','be']

Instance Method Summary collapse

Instance Method Details

#to_en(text) ⇒ Object

added in 0.1.2 to support from unknown to english



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# File 'lib/translator.rb', line 49

def to_en(text)
  translate( text, "en", "" )
end

#translate(text, to, from = 'en') ⇒ Object

method to translate from one language to another



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# File 'lib/translator.rb', line 18

def translate( text, to, from='en' )
  
  begin
    raise UnSupportedLanguage unless SUPPORTED_LANG_CODES.include?(to)
    raise UnSupportedLanguage unless SUPPORTED_LANG_CODES.include?(from) unless from.empty? # letting to translate from unknown language
    
    http = Net::HTTP.new(Site_Url, 80)

    request = Net::HTTP::Post.new(Request_Uri)
    
    request.set_form_data({'v'=>1.0, 'langpair'=>"#{from}|#{to}", 'q'=>"#{text}"})

    response = http.request(request)
    
    json_response_body = JSON.parse( response.body )
      
    if json_response_body['responseStatus'] == 200
      json_response_body['responseData']['translatedText']
    else
      puts json_response_body['responseDetails']
      raise StandardError, response['responseDetails']
    end
  rescue UnSupportedLanguage
    raise UnSupportedLanguage.new
  rescue => err_msg
    puts "#{err_msg}"
  end
  
end