class Jars::MavenFactory

def add_gem_to_load_path(name)
  # if the gem is already activated => good
  return if Gem.loaded_specs[name]
  # just install gem if needed and add it to the load_path
  # and leave activated gems as they are
  req = requirement(name)
  unless (spec = find_spec_via_rubygems(name, req))
    spec = install_gem(name, req)
  end
  raise "failed to resolve gem '#{name}' if you're using Bundler add it as a dependency" unless spec
  path = File.join(spec.full_gem_path, spec.require_path)
  $LOAD_PATH << path unless $LOAD_PATH.include?(path)
end