Class: Naether::Java::Ruby

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/naether/java.rb

Overview

Handle loading jars for Ruby via Rjb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Ruby

Returns a new instance of Ruby.



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# File 'lib/naether/java.rb', line 118

def initialize()
  require 'rjb' 
  
  # Call Rjb::load with an empty classpath, incase Rjb::load has already been called
  java_opts = (ENV['JAVA_OPTS'] || ENV['JAVA_OPTIONS']).to_s.split
  Rjb::load("", java_opts)
  
  @loaded_jars = []
end

Instance Attribute Details

#loaded_jars ⇒ Object (readonly)

Returns the value of attribute loaded_jars.



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# File 'lib/naether/java.rb', line 116

def loaded_jars
  @loaded_jars
end

Instance Method Details

#load_jars(jars) ⇒ Object 



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# File 'lib/naether/java.rb', line 128

def load_jars(jars)
  loaded_jars = []
  unless jars.is_a?( Array )
    jars = [jars]
  end
  
  jars.each do |jar|
    expanded_jar = File.expand_path(jar)
    if !@loaded_jars.include? expanded_jar
      loaded_jars << expanded_jar
      @loaded_jars << expanded_jar
    end
  end
  
  unless loaded_jars.empty?
    Rjb::add_jar( loaded_jars )
  end
  
  loaded_jars
end