rahul1346/http_server.js

## http_server.js
'use strict';

var http = require("http");
var url = require("url");

function start(route, handle) {
	function onRequest(request, response) {
		if (typeof(handle[request.url]) === 'function') {
			var pathname = url.parse(request.url).pathname;
			console.log("Request for " + pathname + " received.");
			route(handle, pathname, response, request);
		} else {
			response.writeHead(404, {
      			'Content-Type': 'application/json'
    			});

	    	response.write(JSON.stringify({msg: 'page not found'}));
	    	response.end();
	}
	}

  	http.createServer(onRequest).listen(8888);
  	console.log("Server has started.");
}

exports.start = start;

## index.js
'use strict';

var server = require("./http_server");
var router = require("./router");
var requestHandlers = require("./requestHandler");

var handle = {};
handle["/"] = requestHandlers.start;
handle["/start"] = requestHandlers.start;
handle["/upload"] = requestHandlers.upload;
handle["/show"] = requestHandlers.show;
handle["/update"] = requestHandlers.update;

server.start(router.route, handle);

## package.json
{
  "name": "rest_framework",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC"
}

## querystring.js
'use strict';

var querystring = require("querystring");

function start(response, postData) {
	console.log("Request handler 'start' was called.");

	var body = '<html>'+
	 '<head>'+
	 '<meta http-equiv="Content-Type" content="text/html; '+
	 'charset=UTF-8" />'+
	 '</head>'+
	 '<body>'+
	 '<form action="/upload" method="post">'+
	 '<textarea name="text" rows="20" cols="60"></textarea>'+
	 '<input type="submit" value="Submit text" />'+
	 '</form>'+
	 '</body>'+
	 '</html>';

	 response.writeHead(200, {"Content-Type": "text/html"});
	 response.write(body);
	 response.end();
	}

function upload(response, postData) {
	console.log("Request handler 'upload' was called.");
	response.writeHead(200, {"Content-Type": "text/plain"});
	response.write("You've sent the text: "+
	querystring.parse(postData).text);
	response.end();
}

exports.start = start;
exports.upload = upload;

## requestHandler.js
'use strict';

//var querystring = require("querystring"),
		var	 fs = require("fs"),
	 formidable = require("formidable"),
	 	   util = require('util'),
	 jsonObject = null,
	   jsonFile = null;


function start(response) {
console.log("Request handler 'start' was called.");

var body =  '<html>'+
			'<head>'+
			'<meta http-equiv="Content-Type" '+
		    'content="text/html; charset=UTF-8" />'+
			'</head>'+
			'<body>'+
			'<form action="/upload" enctype="multipart/form-data" '+
			'method="post">'+
			'<input type="file" name="upload" multiple="multiple">'+
			'<input type="submit" value="Upload file" />'+
			'</form>'+
			'</body>'+
			'</html>';

			response.writeHead(200, {"Content-Type": "text/html"});
			response.write(body);
			response.end();
}

function upload(response, request) {
	console.log("Request handler 'upload' was called.");

	var form = new formidable.IncomingForm();
	console.log("about to parse");

	form.parse(request, function(error, fields, files){
		response.writeHead(200, {'content-type': 'application/json'});
		response.write('received upload:\n\n');
		response.end(util.inspect({fields: fields, files: files}));
	});

	form.on('file', function(field, file) {
		console.log(jsonFile);
		if (file.type == 'application/json') {
			jsonObject = JSON.parse(fs.readFileSync(file.path, 'utf8'));
			console.log(jsonObject);
			jsonFile = file.path;
		} else { console.log('wrong file');}
	});
}

function update(response, request) {
	console.log("Request handler 'update' was called.");
	response.writeHead(200, {"Content-Type": "application/json"});

	var json = JSON.parse(fs.readFileSync('./tmp/obj.json'));
	json.newValue = 'testVal';

	fs.writeFileSync("./tmp/obj.json", JSON.stringify(json));
}

function show(response) {
	console.log("Request handler 'show' was called.");
	response.writeHead(200, {"Content-Type": "application/json"});
	fs.createReadStream("./tmp/obj.json").pipe(response);
}

exports.start = start;
exports.update = update;
exports.upload = upload;
exports.show = show;

## router.js
'use strict';

function route(handle, pathname, response, request) {
	console.log("About to route a request for " + pathname);
	if (typeof handle[pathname] === 'function') {
		handle[pathname](response, request);
	}else{
    	console.log("No request handler found for " + pathname);
    	response.writeHead(404, {"Content-Type": "text/plain"});
    	response.write("404 Not found");
    	response.end();
	}
}

exports.route = route;
	'use strict';

	var http = require("http");
	var url = require("url");

	function start(route, handle) {
	function onRequest(request, response) {
	if (typeof(handle[request.url]) === 'function') {
	var pathname = url.parse(request.url).pathname;
	console.log("Request for " + pathname + " received.");
	route(handle, pathname, response, request);
	} else {
	response.writeHead(404, {
	'Content-Type': 'application/json'
	});

	response.write(JSON.stringify({msg: 'page not found'}));
	response.end();
	}
	}

	http.createServer(onRequest).listen(8888);
	console.log("Server has started.");
	}

	exports.start = start;
	'use strict';

	var server = require("./http_server");
	var router = require("./router");
	var requestHandlers = require("./requestHandler");

	var handle = {};
	handle["/"] = requestHandlers.start;
	handle["/start"] = requestHandlers.start;
	handle["/upload"] = requestHandlers.upload;
	handle["/show"] = requestHandlers.show;
	handle["/update"] = requestHandlers.update;

	server.start(router.route, handle);
	{
	"name": "rest_framework",
	"version": "1.0.0",
	"description": "",
	"main": "index.js",
	"scripts": {
	"test": "echo \"Error: no test specified\" && exit 1"
	},
	"author": "",
	"license": "ISC"
	}
	'use strict';

	var querystring = require("querystring");

	function start(response, postData) {
	console.log("Request handler 'start' was called.");

	var body = '<html>'+
	'<head>'+
	'<meta http-equiv="Content-Type" content="text/html; '+
	'charset=UTF-8" />'+
	'</head>'+
	'<body>'+
	'<form action="/upload" method="post">'+
	'<textarea name="text" rows="20" cols="60"></textarea>'+
	'<input type="submit" value="Submit text" />'+
	'</form>'+
	'</body>'+
	'</html>';

	response.writeHead(200, {"Content-Type": "text/html"});
	response.write(body);
	response.end();
	}

	function upload(response, postData) {
	console.log("Request handler 'upload' was called.");
	response.writeHead(200, {"Content-Type": "text/plain"});
	response.write("You've sent the text: "+
	querystring.parse(postData).text);
	response.end();
	}

	exports.start = start;
	exports.upload = upload;
	'use strict';

	//var querystring = require("querystring"),
	var fs = require("fs"),
	formidable = require("formidable"),
	util = require('util'),
	jsonObject = null,
	jsonFile = null;



	function start(response) {
	console.log("Request handler 'start' was called.");

	var body = '<html>'+
	'<head>'+
	'<meta http-equiv="Content-Type" '+
	'content="text/html; charset=UTF-8" />'+
	'</head>'+
	'<body>'+
	'<form action="/upload" enctype="multipart/form-data" '+
	'method="post">'+
	'<input type="file" name="upload" multiple="multiple">'+
	'<input type="submit" value="Upload file" />'+
	'</form>'+
	'</body>'+
	'</html>';

	response.writeHead(200, {"Content-Type": "text/html"});
	response.write(body);
	response.end();
	}

	function upload(response, request) {
	console.log("Request handler 'upload' was called.");

	var form = new formidable.IncomingForm();
	console.log("about to parse");

	form.parse(request, function(error, fields, files){
	response.writeHead(200, {'content-type': 'application/json'});
	response.write('received upload:\n\n');
	response.end(util.inspect({fields: fields, files: files}));
	});

	form.on('file', function(field, file) {
	console.log(jsonFile);
	if (file.type == 'application/json') {
	jsonObject = JSON.parse(fs.readFileSync(file.path, 'utf8'));
	console.log(jsonObject);
	jsonFile = file.path;
	} else { console.log('wrong file');}
	});
	}

	function update(response, request) {
	console.log("Request handler 'update' was called.");
	response.writeHead(200, {"Content-Type": "application/json"});

	var json = JSON.parse(fs.readFileSync('./tmp/obj.json'));
	json.newValue = 'testVal';

	fs.writeFileSync("./tmp/obj.json", JSON.stringify(json));
	}

	function show(response) {
	console.log("Request handler 'show' was called.");
	response.writeHead(200, {"Content-Type": "application/json"});
	fs.createReadStream("./tmp/obj.json").pipe(response);
	}

	exports.start = start;
	exports.update = update;
	exports.upload = upload;
	exports.show = show;
	'use strict';

	function route(handle, pathname, response, request) {
	console.log("About to route a request for " + pathname);
	if (typeof handle[pathname] === 'function') {
	handle[pathname](response, request);
	}else{
	console.log("No request handler found for " + pathname);
	response.writeHead(404, {"Content-Type": "text/plain"});
	response.write("404 Not found");
	response.end();
	}
	}

	exports.route = route;