Class: Noaaish::Translator

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

Constant Summary collapse

ISH_JAVA_COMMAND =

Tail is to not print first line, which is header info

'java -cp %<exe_path>s ishJava < %<input>s | tail -n+2 > %<output>s'.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(input, output = destination) ⇒ Translator

Returns a new instance of Translator.



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# File 'lib/noaaish/translator.rb', line 10

def initialize(input, output=destination)
  @input = input
  @destination = output
end

Instance Attribute Details

#input ⇒ Object (readonly)

Returns the value of attribute input.



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# File 'lib/noaaish/translator.rb', line 15

def input
  @input
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/noaaish/translator.rb', line 17

def call
  system(java_command)
  destination
end

#destination ⇒ Object 



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# File 'lib/noaaish/translator.rb', line 22

def destination
  @destination ||= Tempfile.new('noaaish-translator')
end

#ish_java_path ⇒ Object 



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# File 'lib/noaaish/translator.rb', line 30

def ish_java_path
  Pathname.new(File.dirname(__FILE__)).
    parent.  # lib/
    parent + # /
    "java"
end

#java_command ⇒ Object 



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# File 'lib/noaaish/translator.rb', line 26

def java_command
  sprintf ISH_JAVA_COMMAND, exe_path: ish_java_path, input: input.path, output: destination.path
end