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comparison Resources/Samples/WebApplications/NodeToolbox.js @ 805:56a813a4714d

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drawing dicomizer sample
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 07 May 2014 13:23:08 +0200
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children 009dce4ea2f6
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804:a017d1a89b4f 805:56a813a4714d
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
4 * Belgium
5 *
6 * Permission is hereby granted, free of charge, to any person
7 * obtaining a copy of this software and associated documentation
8 * files (the "Software"), to deal in the Software without
9 * restriction, including without limitation the rights to use, copy,
10 * modify, merge, publish, distribute, sublicense, and/or sell copies
11 * of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
21 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
22 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * SOFTWARE.
25 **/
26
27
28 var fs = require('fs');
29 var http = require('http');
30
31
32 function ForwardGetRequest(orthanc, path, res) {
33 var opts = orthanc;
34 opts.path = path;
35 opts.method = 'GET';
36
37 http.get(opts, function(response) {
38 response.setEncoding('utf-8');
39 response.on('data', function(chunk) {
40 res.write(chunk);
41 });
42 response.on('end', function() {
43 res.end();
44 });
45 }).on('error', function(e) {
46 console.log('Got error on GET forwarding: ' + e.message + ' (' + path + ')');
47 });
48 }
49
50
51 function ForwardPostRequest(orthanc, path, body, res) {
52 var opts = orthanc;
53 opts.path = path;
54 opts.method = 'POST';
55 opts.headers = {
56 'Content-Length': body.length
57 }
58
59 var req = http.request(opts, function(response) {
60 response.setEncoding('utf-8');
61 response.on('data', function(chunk) {
62 res.write(chunk);
63 });
64 response.on('end', function() {
65 res.end();
66 });
67 }).on('error', function(e) {
68 console.log('Got error on POST forwarding: ' + e.message + ' (' + path + ')');
69 });
70
71 req.write(body);
72 req.end();
73 }
74
75
76 function ServeFile(filename, res) {
77 fs.readFile(filename, function(r, c) {
78 res.end(c.toString());
79 });
80 }
81
82
83 function NotFound(res) {
84 res.writeHead(404, {'Content-Type': 'text/plain'});
85 res.end();
86 }
87
88
89 function Redirect(path, res) {
90 res.writeHead(301, {
91 'Content-Type': 'text/plain',
92 'Location': path
93 });
94 res.end();
95 }
96
97
98 String.prototype.startsWith = function(prefix) {
99 return this.indexOf(prefix) === 0;
100 }
101
102
103 module.exports.ForwardGetRequest = ForwardGetRequest;
104 module.exports.ForwardPostRequest = ForwardPostRequest;
105 module.exports.NotFound = NotFound;
106 module.exports.Redirect = Redirect;
107 module.exports.ServeFile = ServeFile;