cargdev/angular
1
0
Fork 0
Code Issues 9 Pull Requests Actions Packages Projects Releases Wiki Activity

feat(http): add support for ArrayBuffer

Browse Source 
Add the buffer option to store response in ArrayBuffer
Improve the interface to get back response independently of the buffer type
This commit is contained in:
Damien Cassan
2016-02-24 16:37:18 +01:00
committed by Jeff Cross
parent 0ccb6e0dfc
commit 1266460386
12 changed files with 218 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
modules/@angular/http/src/backends/xhr_backend.ts
View File

@ -12,7 +12,7 @@ import {Observable} from 'rxjs/Observable';
import {Observer} from 'rxjs/Observer';
import {ResponseOptions} from '../base_response_options';
import {ContentType, ReadyState, RequestMethod, ResponseType} from '../enums';
import {ContentType, ReadyState, RequestMethod, ResponseType, ResponseBuffer} from '../enums';
import {isPresent, isString} from '../facade/lang';
import {Headers} from '../headers';
import {getResponseURL, isSuccess} from '../http_utils';
@ -24,6 +24,7 @@ import {BrowserXhr} from './browser_xhr';
const XSSI_PREFIX = /^\)\]\}',?\n/;
/**
* Creates connections using `XMLHttpRequest`. Given a fully-qualified
* request, an `XHRConnection` will immediately create an `XMLHttpRequest` object and send the
@ -51,7 +52,7 @@ export class XHRConnection implements Connection {
_xhr.withCredentials = req.withCredentials;
}
// load event handler
let onLoad = () => {
let onLoad = () => {
// responseText is the old-school way of retrieving response (supported by IE8 & 9)
// response/responseType properties were introduced in XHR Level2 spec (supported by
// IE10)
@ -108,6 +109,20 @@ export class XHRConnection implements Connection {
req.headers.forEach((values, name) => _xhr.setRequestHeader(name, values.join(',')));
}
// Select the correct buffer type to store the response
if (isPresent(req.buffer) && isPresent(_xhr.responseType)) switch (req.buffer) {
case ResponseBuffer.ArrayBuffer:
_xhr.responseType = "arraybuffer";
break;
case ResponseBuffer.Json:
_xhr.responseType = "json";
break;
default:
case ResponseBuffer.Text:
_xhr.responseType = "text";
break;
}
_xhr.addEventListener('load', onLoad);
_xhr.addEventListener('error', onError);