#
# HttpUtils is a simple and easy class to work with http get requests with threads.
#
# autor: Diego Pacheco
# since: 17/10/2010
#
require 'net/http'
require 'rubygems'
require 'hpricot'

class HttpUtils
	
	def get (url, path, callback) 
		__executeOnNewThread {
			result = __doGetRequest url, path
			callback.call result
		}		
	end
	
	private 
	
	def __doGetRequest (url, path)
		h = Net::HTTP.new(url, 80)
		resp, data = h.get(path, nil )
		return data
	end

	def __executeOnNewThread (&func)
		t = Thread.new() {
			func.call
		}
		t.join
	end
	
end

h = HttpUtils.new

h.get "www.twitter.com", "/statuses/public_timeline.xml", proc { |data| 
	doc = Hpricot::XML(data)
	puts (doc/"text")
}