gistfile1.rb

# There really is no need for this class. One could use java.util.Properties in JRuby, 
# but figuring out how to use it from JRuby was more cumbersome than just writing this class.

# Parser stolen from
# http://devender.wordpress.com/2006/05/01/reading-and-writing-java-property-files-with-ruby/

class JavaProperties < Hash
  attr_accessor :file

  # Takes a file and loads the properties in that file
  def initialize(file)
    @file = file
    
    IO.foreach(file) do |line|
      self[$1.strip] = $2.strip if line =~ /([^=]*)=(.*)\/\/(.*)/ || line =~ /([^=]*)=(.*)/
    end
  end

  # A getter method for kicks  
  def get(key)
    self[key]
  end

  # A setter method for kicks
  def set(key, value)
    self[key] = value
  end
  
  #Save the properties back to file
  def save
    file = File.new(@file,"w+")
    self.each {|key,value| file.puts "#{key}=#{value}\n" }
  end
end