class PhusionPassenger::Utils::HostsFileParser

def initialize(filename_or_io = "/etc/hosts")
	if filename_or_io.respond_to?(:readline)
		read_and_parse(filename_or_io)
	else
		File.open(filename_or_io, "rb") do |f|
			read_and_parse(f)
		end
	end
end