Created
October 2, 2010 17:50
-
-
Save practicingruby/607826 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
require "rubygems" | |
require "builder" | |
class Roster | |
def initialize | |
@members = [] | |
@members_cache = [] | |
@content = nil | |
end | |
attr_reader :members | |
def to_xml | |
if @members_cache == @members | |
@content ||= render_xml_roster | |
else | |
@content = render_xml_roster | |
@members_cache = @members | |
end | |
return @content | |
end | |
private | |
def render_xml_roster | |
builder = Builder::XmlMarkup.new | |
builder.roster do |r| | |
members.each do |m| | |
r.member(m) | |
end | |
end | |
end | |
end | |
r = Roster.new | |
r.members << "Gregory Brown" | |
r.members << "David Black" | |
r.members << "Jeremy McAnally" | |
puts r.to_xml |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment