dio_http_formatter 2.0.0-nullsafety.0 
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A Dio interceptor for pretty printing the HTTP request/response to be printed in the console for easier debugging
A simple Dio interceptor for pretty printing the HTTP request/response (using the awesome package Logger) to be printed in the console for easier debugging and sharing.
Different content types are supported and pretty printed such as:
application/jsonapplication/x-www-form-urlencodedtext/html
Getting started #
1- Install the package in your project:
flutter pub get dio_http_formatter
or if not for Flutter:
pub get dio_http_formatter
2- Add the interceptor to your Dio instance like:
final _dio = Dio();
_dio.interceptors.add(HttpFormatter());
Options #
Below are the optional parameters that can be specified for the formatter to customize what and how the HTTP request and response is printed.
| Property | Type | Default Value |
|---|---|---|
| includeRequest | bool |
true |
| includeRequestHeaders | bool |
true |
| includeRequestBody | bool |
true |
| includeResponse | bool |
true |
| includeResponseHeaders | bool |
true |
| includeResponseBody | bool |
true |
| logger | Logger |
PrettyPrinter() |
Examples #
POST request [application/json] #
await _dio.post('https://postman-echo.com/post',
data: <String, dynamic>{'foo': 'foo'},
options: Options()
..headers = <String, dynamic>{
'my-custom-header': 'my-custom-header',
'content-type': 'application/json'
});
┌───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
│ ⤴ REQUEST ⤴
│
│ POST https://postman-echo.com/post
│ content-type: application/json
│ my-custom-header: my-custom-header
│ content-length: 13
│
│
│ {
│ "foo": "foo"
│ }
│
│ ⤵ RESPONSE [200/OK] [Time elapsed: 1080 ms]⤵
│
│ connection: [keep-alive]
│ set-cookie: [sails.sid=s%3AlO2moZlJ_-LGJZdq_o0KRpliqamhCecq.lNnUP5X%2Fvr%2BXi2an7q6GJki9DPmDQyPAyBW7p117ijM; Path=/; HttpOnly]
│ date: [Mon, 22 Jun 2020 17:29:07 GMT]
│ vary: [Accept-Encoding]
│ content-length: [417]
│ etag: [W/"1a1-14yzanqIFzi16qAA3YVbkp9Acl8"]
│ content-type: [application/json; charset=utf-8]
│
│
│ {
│ "args": {},
│ "data": {
│ "foo": "foo"
│ },
│ "files": {},
│ "form": {},
│ "headers": {
│ "x-forwarded-proto": "https",
│ "x-forwarded-port": "443",
│ "host": "postman-echo.com",
│ "x-amzn-trace-id": "Root=1-5ef0ea63-50bc2440e0e07883458a067f",
│ "content-length": "13",
│ "user-agent": "Dart/2.8 (dart:io)",
│ "content-type": "application/json",
│ "my-custom-header": "my-custom-header",
│ "accept-encoding": "gzip"
│ },
│ "json": {
│ "foo": "foo"
│ },
│ "url": "https://postman-echo.com/post"
│ }
└───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
Successful GET request [text/html] #
await _dio.get('https://example.org');
┌───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
│ ⤴ REQUEST ⤴
│
│ GET https://example.org
│
│
│ ⤵ RESPONSE [200/OK] [Time elapsed: 963 ms]⤵
│
│ cache-control: [max-age=604800]
│ last-modified: [Thu, 17 Oct 2019 07:18:26 GMT]
│ date: [Mon, 22 Jun 2020 17:34:41 GMT]
│ content-encoding: [gzip]
│ vary: [Accept-Encoding]
│ age: [336678]
│ content-type: [text/html; charset=UTF-8]
│ server: [ECS (dcb/7FA3)]
│ accept-ranges: [bytes]
│ content-length: [648]
│ etag: ["3147526947"]
│ x-cache: [HIT]
│ expires: [Mon, 29 Jun 2020 17:34:41 GMT]
│
│
│ <!doctype html>
│ <html>
│ <head>
│ <title>Example Domain</title>
│
│ <meta charset="utf-8" />
│ <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
│ <meta name="viewport" content="width=device-width, initial-scale=1" />
│ <style type="text/css">
│ body {
│ background-color: #f0f0f2;
│ margin: 0;
│ padding: 0;
│ font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
│
│ }
│ div {
│ width: 600px;
│ margin: 5em auto;
│ padding: 2em;
│ background-color: #fdfdff;
│ border-radius: 0.5em;
│ box-shadow: 2px 3px 7px 2px rgba(0,0,0,0.02);
│ }
│ a:link, a:visited {
│ color: #38488f;
│ text-decoration: none;
│ }
│ @media (max-width: 700px) {
│ div {
│ margin: 0 auto;
│ width: auto;
│ }
│ }
│ </style>
│ </head>
│
│ <body>
│ <div>
│ <h1>Example Domain</h1>
│ <p>This domain is for use in illustrative examples in documents. You may use this
│ domain in literature without prior coordination or asking for permission.</p>
│ <p><a href="https://www.iana.org/domains/example">More information...</a></p>
│ </div>
│ </body>
│ </html>
│
└───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
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Metadata
A Dio interceptor for pretty printing the HTTP request/response to be printed in the console for easier debugging
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