Class: Naver::Base

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

Overview

fundamental class for naver gem

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(key = nil) ⇒ Base

Replace this API key with your own (see dev.naver.com/openapi/register)



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# File 'lib/naver/base.rb', line 10

def initialize(key=nil)
  @key = key
  @host = 'http://openapi.naver.com'
  @api = '/search'
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(target, query, params = {}) ⇒ Object

Raises:



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# File 'lib/naver/base.rb', line 16

def method_missing(target, query, params={})
  raise NoQuery if query.empty?
  if METHOD_LIST.include?(target.to_s)
    request(target, query, params)
    if XML_LIST.include?(target.to_s)
      return Result.new(@doc_root, target.to_s)
    else
      return RSS.new(@doc_root)
    end
  else
    raise NoMethod
  end
end

Instance Attribute Details

#doc_root ⇒ Object

attributes for accessing retrieved raw xml and parsed libxml root node



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# File 'lib/naver/base.rb', line 7

def doc_root
  @doc_root
end

#raw_xml ⇒ Object

attributes for accessing retrieved raw xml and parsed libxml root node



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# File 'lib/naver/base.rb', line 7

def raw_xml
  @raw_xml
end

Instance Method Details

#http_get(url) ⇒ Object

Does an HTTP GET on a given URL and returns the response body



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# File 'lib/naver/base.rb', line 49

def http_get(url)
  Net::HTTP.get_response(URI.parse(URI.encode(url))).body.to_s
end

#request(target, query, params = {}) ⇒ Object

Takes a Naver API method name and set of parameters; returns an libxml object with the response



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# File 'lib/naver/base.rb', line 31

def request(target, query, params={})
  response = http_get(request_url(target, query, params))
  parser, parser.string = LibXML::XML::Parser.new, response
  @raw_xml = parser.parse
  @doc_root = @raw_xml.root
end

#request_url(target, query, params = {}) ⇒ Object

Takes a Naver API method name and set of parameters; returns the correct URL for the REST API.



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# File 'lib/naver/base.rb', line 39

def request_url(target, query, params={})
  url = "#{@host}#{@api}?key=#{@key}&target=#{target}&query=#{query}"
  params.each do |key, value|
    key = ABBREVIATION[key] unless ABBREVIATION[key].nil?
    url += "&#{key}=" + CGI::escape(value)
  end unless params.nil?
  url
end