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Separate logic into proper places
This commit is contained in:
John Crepezzi
parent
6bac45efe2
commit
13e497993f
3 changed files with 107 additions and 97 deletions
44
lib/document_handler.js
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44
lib/document_handler.js
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var winston = require('winston');
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// For handling serving stored documents
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var DocumentHandler = function() {
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};
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// TODO implement with FS backend
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DocumentHandler.documents = {};
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DocumentHandler.prototype.handleGet = function(key, response) {
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if (DocumentHandler.documents[key]) {
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winston.verbose('retrieved document', { key: key });
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response.writeHead(200, { 'content-type': 'application/json' });
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response.end(JSON.stringify({ data: DocumentHandler.documents[key] }));
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}
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else {
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winston.warn('document not found', { key: key });
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response.writeHead(400, { 'content-type': 'application/json' });
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response.end(JSON.stringify({ message: 'document not found' }));
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}
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};
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DocumentHandler.prototype.handlePost = function(request, response) {
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var key = '123';
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request.on('data', function(data) {
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if (!DocumentHandler.documents[key]) {
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DocumentHandler.documents[key] = '';
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}
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DocumentHandler.documents[key] += data.toString();
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});
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request.on('end', function(end) {
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winston.verbose('added document', { key: key });
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response.end(JSON.stringify({ uuid: key }));
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});
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request.on('error', function(error) {
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// TODO handle error
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// TODO rename key to uuid everywhere behind the scenes
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// TODO finish all TODOs
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});
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};
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module.exports = DocumentHandler;
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53
lib/static_handler.js
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53
lib/static_handler.js
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var url = require('url'); // TODO not needed
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var path = require('path');
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var fs = require('fs');
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var winston = require('winston');
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// For serving static assets
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var StaticHandler = function(path) {
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this.path = path;
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this.defaultPath = '/index.html';
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};
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// Determine the content type for a given extension
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StaticHandler.contentTypeFor = function(ext) {
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if (ext == '.js') return 'text/javascript';
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else if (ext == '.css') return 'text/css';
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else if (ext == '.html') return 'text/html';
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else if (ext == '.ico') return 'image/ico';
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else {
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winston.error('unable to determine content type for static asset with extension: ' + ext);
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return 'text/plain';
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}
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};
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// Handle a request, and serve back the asset if it exists
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StaticHandler.prototype.handle = function(request, response) {
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var inc = url.parse(request.url, false);
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var filePath = this.path + (inc.pathname == '/' ? this.defaultPath : inc.pathname);
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path.exists(filePath, function(exists) {
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if (exists) {
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fs.readFile(filePath, function(error, content) {
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if (error) {
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winston.error('unable to read file', { path: filePath, error: error.message });
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response.writeHead(500, { 'content-type': 'application/json' });
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response.end(JSON.stringify({ message: 'IO: Unable to read file' }));
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}
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else {
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var contentType = StaticHandler.contentTypeFor(path.extname(filePath));
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response.writeHead(200, { 'content-type': contentType });
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response.end(content, 'utf-8');
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}
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});
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}
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else {
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winston.warn('file not found', { path: filePath });
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response.writeHead(404, { 'content-type': 'application/json' });
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response.end(JSON.stringify({ message: 'file not found' }));
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}
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});
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};
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module.exports = StaticHandler;
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103
server.js
103
server.js
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@ -1,127 +1,40 @@
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var http = require('http');
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var fs = require('fs');
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var path = require('path');
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var url = require('url');
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var winston = require('winston');
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var StaticHandler = require('./lib/static_handler');
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var DocumentHandler = require('./lib/document_handler');
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/////////////
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// Configure loggin
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// Configure logging TODO
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winston.remove(winston.transports.Console);
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winston.add(winston.transports.Console, { colorize: true, level: 'verbose' });
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// TODO preparse static instead of using exists
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// TODO split into files
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// TODO only parse url once for static files
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//////////////
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var StaticHandler = function(path) {
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this.path = path;
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this.defaultPath = '/index.html';
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};
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StaticHandler.contentTypeFor = function(ext) {
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if (ext == '.js') return 'text/javascript';
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else if (ext == '.css') return 'text/css';
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else if (ext == '.html') return 'text/html';
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else if (ext == '.ico') return 'image/ico';
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else {
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winston.error('unable to determine content type for static asset with extension: ' + ext);
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return 'text/plain';
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}
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};
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StaticHandler.prototype.handle = function(request, response) {
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var inc = url.parse(request.url, false);
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var filePath = this.path + (inc.pathname == '/' ? this.defaultPath : inc.pathname);
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path.exists(filePath, function(exists) {
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if (exists) {
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fs.readFile(filePath, function(error, content) {
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if (error) {
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winston.error('unable to read file', { path: filePath, error: error.message });
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response.writeHead(500, { 'content-type': 'application/json' });
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response.end(JSON.stringify({ message: 'IO: Unable to read file' }));
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}
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else {
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response.writeHead(200, { 'content-type': StaticHandler.contentTypeFor(path.extname(filePath)) });
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response.end(content, 'utf-8');
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}
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});
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}
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else {
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winston.warn('file not found', { path: filePath });
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response.writeHead(404, { 'content-type': 'application/json' });
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response.end(JSON.stringify({ message: 'file not found' }));
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}
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});
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};
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///////////
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var documents = {};
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var DocumentHandler = function() {
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};
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DocumentHandler.prototype.handleGet = function(key, response) {
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if (documents[key]) {
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winston.verbose('retrieved document', { key: key });
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response.writeHead(200, { 'content-type': 'application/json' });
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response.end(JSON.stringify({ data: documents[key] }));
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}
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else {
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winston.warn('document not found', { key: key });
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response.writeHead(400, { 'content-type': 'application/json' });
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response.end(JSON.stringify({ message: 'document not found' }));
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}
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};
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DocumentHandler.prototype.handlePost = function(request, response) {
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var key = '123';
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request.on('data', function(data) {
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if (!documents[key]) {
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documents[key] = '';
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}
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documents[key] += data.toString();
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});
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request.on('end', function(end) {
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winston.verbose('added document', { key: key });
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response.end(JSON.stringify({ uuid: key }));
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});
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request.on('error', function(error) {
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// TODO handle error
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// TODO rename key to uuid everywhere behind the scenes
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// TODO finish all TODOs
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});
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};
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///////////
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// Set the server up
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http.createServer(function(request, response) {
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var incoming = url.parse(request.url, false);
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var handler = null;
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var match;
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// Looking to add a new doc
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if (incoming.pathname.match(/^\/documents$/) && request.method == 'POST') {
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handler = new DocumentHandler();
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handler.handlePost(request, response);
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return handler.handlePost(request, response);
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}
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// Looking up a doc
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else if ((match = incoming.pathname.match(/^\/documents\/([A-Za-z0-9]+)$/)) && request.method == 'GET') {
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var match = incoming.pathname.match(/^\/documents\/([A-Za-z0-9]+)$/);
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if (request.method == 'GET' && match) {
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handler = new DocumentHandler();
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handler.handleGet(match[1], response);
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return handler.handleGet(match[1], response);
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}
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// Otherwise, look for static file
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else {
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handler = new StaticHandler('./static');
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handler.handle(request, response);
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}
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}).listen(7777);
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