zh/atomizer.js

## atomizer.js
// start: node atomizer.js

var sys = require('sys'),  fs = require('fs'),
  url  = require("url"),
  path = require("path"),
  http = require("http"),
  port = process.env.PORT || 8001,
  counter = 0

var BASE = "http://atomizer.heroku.com"
var HUB = "https://pubsubhubbub.appspot.com/"

http.createServer(function (request, response) {
  switch (url.parse(request.url).pathname) {
    case '/atom':
      show_atom(request, response);
      break;
    default:
      show_index(request, response);
      break;
  }
}).listen(parseInt(port));


Date.prototype.toISO8601String = function (format, offset) {
    /* accepted values for the format [1-6]:
     1 Year:
       YYYY (eg 1997)
     2 Year and month:
       YYYY-MM (eg 1997-07)
     3 Complete date:
       YYYY-MM-DD (eg 1997-07-16)
     4 Complete date plus hours and minutes:
       YYYY-MM-DDThh:mmTZD (eg 1997-07-16T19:20+01:00)
     5 Complete date plus hours, minutes and seconds:
       YYYY-MM-DDThh:mm:ssTZD (eg 1997-07-16T19:20:30+01:00)
     6 Complete date plus hours, minutes, seconds and a decimal
       fraction of a second
       YYYY-MM-DDThh:mm:ss.sTZD (eg 1997-07-16T19:20:30.45+01:00)
    */
    if (!format) { var format = 6; }
    if (!offset) {
        var offset = 'Z';
        var date = this;
    } else {
        var d = offset.match(/([-+])([0-9]{2}):([0-9]{2})/);
        var offsetnum = (Number(d[2]) * 60) + Number(d[3]);
        offsetnum *= ((d[1] == '-') ? -1 : 1);
        var date = new Date(Number(Number(this) + (offsetnum * 60000)));
    }

    var zeropad = function (num) { return ((num < 10) ? '0' : '') + num; }

    var str = "";
    str += date.getUTCFullYear();
    if (format > 1) { str += "-" + zeropad(date.getUTCMonth() + 1); }
    if (format > 2) { str += "-" + zeropad(date.getUTCDate()); }
    if (format > 3) {
        str += "T" + zeropad(date.getUTCHours()) +
               ":" + zeropad(date.getUTCMinutes());
    }
    if (format > 5) {
        var secs = Number(date.getUTCSeconds() + "." +
                   ((date.getUTCMilliseconds() < 100) ? '0' : '') +
                   zeropad(date.getUTCMilliseconds()));
        str += ":" + zeropad(secs);
    } else if (format > 4) { str += ":" + zeropad(date.getUTCSeconds()); }

    if (format > 3) { str += offset; }
    return str;
}


function show_index(request, response) {
  response.writeHead(200, {'Content-Type': 'text/html'});
  var output = '<html><head><title>Always Changing Feed</title></head>' + "\n" +
  '<body>' + "\n" +
  '<h2>Always Changing Feed</h2>' + "\n" +
  '<p>Dummy Atom feed that always has "updates" ready (for testing purposes).</p>' + "\n" +
  '<p><a href="http://validator.w3.org/feed/check.cgi?url=http%3A//atomizer.heroku.com/atom"><img src="http://validator.w3.org/feed/images/valid-atom.png" alt="[Valid Atom 1.0]" title="Validate my Atom 1.0 feed" /></a>' + "\n" +
  '&nbsp;&nbsp;<a href="' + BASE + '/atom">' + BASE + '/atom</a></p>' + "\n" +
  '<small>This application was build by <a href="http://zhware.net/">Stoyan Zhekov</a>.' +
  'The code can be found on <a href="http://gist.github.com/403890">GitHub</a>.</small>' + "\n" +
  '</body></html>';
  response.write(output);
  response.end();
}


function show_atom(request, response) {
  counter++;
  var nowStr = new Date().toISO8601String();
  var output = '<?xml version="1.0" encoding="UTF-8"?>' + "\n" +
  '<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">' +
  '<title>Always Changing Feed</title>' +
  '<link href="' + BASE + '/atom" rel="self"></link>' +
  '<link href="' + BASE + '/" rel="alternate"></link>' +
  '<link href="' + HUB + '" rel="hub"></link>' +
  '<id>' + BASE + '/</id>' +
  '<updated>' + nowStr + '</updated>' +
  '<author><name>Atom Generator</name></author>' +
  '<entry>' +
  '  <title>A simple atom entry # ' + counter + '</title>' +
  '  <link href="' + BASE + '/entries/' + counter + '" rel="alternate"></link>' +
  '  <id>' + BASE + '/entries/' + counter + '</id>' +
  '  <updated>' + nowStr + '</updated>' +
  '  <summary type="html">This is a simple Atom entry at ' + nowStr + '</summary>' +
  '</entry>' +
  '</feed>';
  response.writeHead(200, {"Content-type": "application/atom+xml + \ charset=utf-8"});
  response.write(output);
  response.end();
}
	// start: node atomizer.js

	var sys = require('sys'), fs = require('fs'),
	url = require("url"),
	path = require("path"),
	http = require("http"),
	port = process.env.PORT \|\| 8001,
	counter = 0

	var BASE = "http://atomizer.heroku.com"
	var HUB = "https://pubsubhubbub.appspot.com/"

	http.createServer(function (request, response) {
	switch (url.parse(request.url).pathname) {
	case '/atom':
	show_atom(request, response);
	break;
	default:
	show_index(request, response);
	break;
	}
	}).listen(parseInt(port));


	Date.prototype.toISO8601String = function (format, offset) {
	/* accepted values for the format [1-6]:
	1 Year:
	YYYY (eg 1997)
	2 Year and month:
	YYYY-MM (eg 1997-07)
	3 Complete date:
	YYYY-MM-DD (eg 1997-07-16)
	4 Complete date plus hours and minutes:
	YYYY-MM-DDThh:mmTZD (eg 1997-07-16T19:20+01:00)
	5 Complete date plus hours, minutes and seconds:
	YYYY-MM-DDThh:mm:ssTZD (eg 1997-07-16T19:20:30+01:00)
	6 Complete date plus hours, minutes, seconds and a decimal
	fraction of a second
	YYYY-MM-DDThh:mm:ss.sTZD (eg 1997-07-16T19:20:30.45+01:00)
	*/
	if (!format) { var format = 6; }
	if (!offset) {
	var offset = 'Z';
	var date = this;
	} else {
	var d = offset.match(/([-+])([0-9]{2}):([0-9]{2})/);
	var offsetnum = (Number(d[2]) * 60) + Number(d[3]);
	offsetnum *= ((d[1] == '-') ? -1 : 1);
	var date = new Date(Number(Number(this) + (offsetnum * 60000)));
	}

	var zeropad = function (num) { return ((num < 10) ? '0' : '') + num; }

	var str = "";
	str += date.getUTCFullYear();
	if (format > 1) { str += "-" + zeropad(date.getUTCMonth() + 1); }
	if (format > 2) { str += "-" + zeropad(date.getUTCDate()); }
	if (format > 3) {
	str += "T" + zeropad(date.getUTCHours()) +
	":" + zeropad(date.getUTCMinutes());
	}
	if (format > 5) {
	var secs = Number(date.getUTCSeconds() + "." +
	((date.getUTCMilliseconds() < 100) ? '0' : '') +
	zeropad(date.getUTCMilliseconds()));
	str += ":" + zeropad(secs);
	} else if (format > 4) { str += ":" + zeropad(date.getUTCSeconds()); }

	if (format > 3) { str += offset; }
	return str;
	}


	function show_index(request, response) {
	response.writeHead(200, {'Content-Type': 'text/html'});
	var output = '<html><head><title>Always Changing Feed</title></head>' + "\n" +
	'<body>' + "\n" +
	'<h2>Always Changing Feed</h2>' + "\n" +
	'<p>Dummy Atom feed that always has "updates" ready (for testing purposes).</p>' + "\n" +
	'<p><a href="http://validator.w3.org/feed/check.cgi?url=http%3A//atomizer.heroku.com/atom"><img src="http://validator.w3.org/feed/images/valid-atom.png" alt="[Valid Atom 1.0]" title="Validate my Atom 1.0 feed" /></a>' + "\n" +
	'  <a href="' + BASE + '/atom">' + BASE + '/atom</a></p>' + "\n" +
	'<small>This application was build by <a href="http://zhware.net/">Stoyan Zhekov</a>.' +
	'The code can be found on <a href="http://gist.github.com/403890">GitHub</a>.</small>' + "\n" +
	'</body></html>';
	response.write(output);
	response.end();
	}


	function show_atom(request, response) {
	counter++;
	var nowStr = new Date().toISO8601String();
	var output = '<?xml version="1.0" encoding="UTF-8"?>' + "\n" +
	'<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">' +
	'<title>Always Changing Feed</title>' +
	'<link href="' + BASE + '/atom" rel="self"></link>' +
	'<link href="' + BASE + '/" rel="alternate"></link>' +
	'<link href="' + HUB + '" rel="hub"></link>' +
	'<id>' + BASE + '/</id>' +
	'<updated>' + nowStr + '</updated>' +
	'<author><name>Atom Generator</name></author>' +
	'<entry>' +
	' <title>A simple atom entry # ' + counter + '</title>' +
	' <link href="' + BASE + '/entries/' + counter + '" rel="alternate"></link>' +
	' <id>' + BASE + '/entries/' + counter + '</id>' +
	' <updated>' + nowStr + '</updated>' +
	' <summary type="html">This is a simple Atom entry at ' + nowStr + '</summary>' +
	'</entry>' +
	'</feed>';
	response.writeHead(200, {"Content-type": "application/atom+xml + \ charset=utf-8"});
	response.write(output);
	response.end();
	}