added spark demo

Author: Marak

spark_demo/ReadMe

@@ -0,0 +1,48 @@
+/*
+  demo.js: http proxy for node.js
+
+  Copyright (c) 2010 Charlie Robbins & Marak Squires http://github.com/nodejitsu/node-http-proxy
+
+  Permission is hereby granted, free of charge, to any person obtaining
+  a copy of this software and associated documentation files (the
+  "Software"), to deal in the Software without restriction, including
+  without limitation the rights to use, copy, modify, merge, publish,
+  distribute, sublicense, and/or sell copies of the Software, and to
+  permit persons to whom the Software is furnished to do so, subject to
+  the following conditions:
+
+  The above copyright notice and this permission notice shall be
+  included in all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+*/
+
+var sys = require('sys'),
+    colors = require('colors')
+    http = require('http'),
+    httpProxy = require('http-proxy').httpProxy;
+
+// ascii art from http://github.com/marak/asciimo
+var welcome = '\
+#    # ##### ##### #####        #####  #####   ####  #    # #   # \n\
+#    #   #     #   #    #       #    # #    # #    #  #  #   # #  \n\
+######   #     #   #    # ##### #    # #    # #    #   ##     #   \n\
+#    #   #     #   #####        #####  #####  #    #   ##     #   \n\
+#    #   #     #   #            #      #   #  #    #  #  #    #   \n\
+#    #   #     #   #            #      #    #  ####  #    #   #   \n';
+sys.puts(welcome.rainbow.bold);
+
+// create regular http proxy server
+module.exports = require('http').createServer(function (req, res){
+  var proxy = new httpProxy;
+  proxy.init(req, res);
+  proxy.proxyRequest('localhost', '9000', req, res);
+})
+sys.puts('http proxy server'.blue + ' started '.green.bold + 'on port '.blue + '8000'.yellow);

spark_demo/proxy.js

@@ -0,0 +1,50 @@
+/*
+  demo.js: http proxy for node.js
+
+  Copyright (c) 2010 Charlie Robbins & Marak Squires http://github.com/nodejitsu/node-http-proxy
+
+  Permission is hereby granted, free of charge, to any person obtaining
+  a copy of this software and associated documentation files (the
+  "Software"), to deal in the Software without restriction, including
+  without limitation the rights to use, copy, modify, merge, publish,
+  distribute, sublicense, and/or sell copies of the Software, and to
+  permit persons to whom the Software is furnished to do so, subject to
+  the following conditions:
+
+  The above copyright notice and this permission notice shall be
+  included in all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+*/
+
+var sys = require('sys'),
+    colors = require('colors')
+    http = require('http'),
+    httpProxy = require('http-proxy').httpProxy;
+
+// ascii art from http://github.com/marak/asciimo
+var welcome = '\
+#    # ##### ##### #####        #####  #####   ####  #    # #   # \n\
+#    #   #     #   #    #       #    # #    # #    #  #  #   # #  \n\
+######   #     #   #    # ##### #    # #    # #    #   ##     #   \n\
+#    #   #     #   #####        #####  #####  #    #   ##     #   \n\
+#    #   #     #   #            #      #   #  #    #  #  #    #   \n\
+#    #   #     #   #            #      #    #  ####  #    #   #   \n';
+sys.puts(welcome.rainbow.bold);
+
+
+
+// create regular http server 
+module.exports = http.createServer(function (req, res){
+  res.writeHead(200, {'Content-Type': 'text/plain'});
+  res.write('request successfully proxied to: ' + req.url + '\n' + JSON.stringify(req.headers, true, 2));
+  res.end();
+});
+sys.puts('http server '.blue + 'started '.green.bold + 'on port '.blue + '9000 '.yellow);