[example] Response modification middleware

examples/middleware/modifyResponse-middleware.js

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+/*
+  modifyBody-middleware.js: Example of middleware which modifies response
+
+  Copyright (c) 2010 Charlie Robbins, Mikeal Rogers, Fedor Indutny, Marak Squires, & Dominic Tarr.
+
+  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 util = require('util'),
+    colors = require('colors'),
+    http = require('http'),
+    httpProxy = require('../../lib/node-http-proxy');
+
+//
+// Basic Http Proxy Server
+//
+httpProxy.createServer(
+  function (req, res, next) {
+    var _write = res.write;
+
+    res.write = function (data) {
+      _write.call(res, data.toString().replace("Ruby", "nodejitsu"));
+    }
+    next();
+  },
+  9000, 'localhost'
+).listen(8000);
+
+//
+// Target Http Server
+//
+http.createServer(function (req, res) {
+  res.writeHead(200, { 'Content-Type': 'text/plain' });
+  res.end('Hello, I know Ruby\n');
+}).listen(9000);
+
+util.puts('http proxy server'.blue + ' started '.green.bold + 'on port '.blue + '8000'.yellow);
+util.puts('http server '.blue + 'started '.green.bold + 'on port '.blue + '9000 '.yellow);
+