Class: LastFM12::Track

Inherits:
Object
  • Object
show all
Defined in:
lib/lastfm12.rb

Overview

a class for tracks

Instance Method Summary collapse

Constructor Details

#initialize(hash) ⇒ Track

Returns a new instance of Track.



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# File 'lib/lastfm12.rb', line 246

def initialize(hash)
  if hash.class != Hash
    raise ArgumentError
  end
  @hash = hash
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/lastfm12.rb', line 253

def [](key)
  @hash[key]
end

#album ⇒ Object

a album name of the track



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# File 'lib/lastfm12.rb', line 274

def album
  @hash[:album]
end

#artist ⇒ Object

alias creator



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# File 'lib/lastfm12.rb', line 283

def artist
  creator
end

#creator ⇒ Object

a creator name of the track



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# File 'lib/lastfm12.rb', line 279

def creator
  @hash[:creator]
end

#duration ⇒ Object

seconds of the track



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# File 'lib/lastfm12.rb', line 288

def duration
  @hash[:duration].to_i
end

#image_url ⇒ Object

an URL of the track image



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# File 'lib/lastfm12.rb', line 298

def image_url
  @hash[:image]
end

#length ⇒ Object

alias duration



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# File 'lib/lastfm12.rb', line 293

def length
  duration
end

#location ⇒ Object

A redirection URL to another URL

  • Cannot make multi-connetion with the URL.
  • Cannot make a connection after second with the URL.


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# File 'lib/lastfm12.rb', line 260

def location
  @hash[:location]
end

#name ⇒ Object

alias title



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# File 'lib/lastfm12.rb', line 269

def name
  title
end

#play(&block) ⇒ Object

execute a given block against the mp3 stream the block is given a segument data of mp3



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# File 'lib/lastfm12.rb', line 309

def play(&block)
  
  uri = URI(@hash[:location])
  ret = nil
  redirect_flag = true
  
  while redirect_flag

    host = uri.host
    path = uri.path
    path = path + "?" + uri.query if uri.query
    redirect_flag = false
  
    header = {
      'Host' => host,
      'User-Agent' => @hash[:user_agent],
    }
    Net::HTTP.new(host).request_get(path,header) do |res|

      if res.code.match(/^30[0-3]$/)
        uri = URI(res['location'])
        redirect_flag = true
        next
      end

      res.read_body(&block)

    end
  end # of "begin"

  ret
  
end

#station ⇒ Object

a station name



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# File 'lib/lastfm12.rb', line 303

def station
  @hash[:station]
end

#title ⇒ Object

a title of the track



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# File 'lib/lastfm12.rb', line 265

def title
  @hash[:title]
end