react-native/Libraries/Network/RCTNetworking.android.js

121 lines
3.2 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow
*/
'use strict';
// Do not require the native RCTNetworking module directly! Use this wrapper module instead.
// It will add the necessary requestId, so that you don't have to generate it yourself.
const MissingNativeEventEmitterShim = require('MissingNativeEventEmitterShim');
const NativeEventEmitter = require('NativeEventEmitter');
const RCTNetworkingNative = require('NativeModules').Networking;
const convertRequestBody = require('convertRequestBody');
import type {RequestBody} from 'convertRequestBody';
type Header = [string, string];
// Convert FormData headers to arrays, which are easier to consume in
// native on Android.
function convertHeadersMapToArray(headers: Object): Array<Header> {
const headerArray = [];
for (const name in headers) {
headerArray.push([name, headers[name]]);
}
return headerArray;
}
let _requestId = 1;
function generateRequestId(): number {
return _requestId++;
}
/**
* This class is a wrapper around the native RCTNetworking module. It adds a necessary unique
* requestId to each network request that can be used to abort that request later on.
*/
class RCTNetworking extends NativeEventEmitter {
isAvailable: boolean = true;
constructor() {
super(RCTNetworkingNative);
}
sendRequest(
method: string,
trackingName: string,
url: string,
headers: Object,
data: RequestBody,
responseType: 'text' | 'base64',
incrementalUpdates: boolean,
timeout: number,
callback: (requestId: number) => any,
withCredentials: boolean,
) {
const body = convertRequestBody(data);
if (body && body.formData) {
body.formData = body.formData.map(part => ({
...part,
headers: convertHeadersMapToArray(part.headers),
}));
}
const requestId = generateRequestId();
RCTNetworkingNative.sendRequest(
method,
url,
requestId,
convertHeadersMapToArray(headers),
{...body, trackingName},
responseType,
incrementalUpdates,
timeout,
withCredentials,
);
callback(requestId);
}
abortRequest(requestId: number) {
RCTNetworkingNative.abortRequest(requestId);
}
clearCookies(callback: (result: boolean) => any) {
RCTNetworkingNative.clearCookies(callback);
}
}
if (__DEV__ && !RCTNetworkingNative) {
class MissingNativeRCTNetworkingShim extends MissingNativeEventEmitterShim {
constructor() {
super('RCTNetworking', 'Networking');
}
sendRequest(...args: Array<any>) {
this.throwMissingNativeModule();
}
abortRequest(...args: Array<any>) {
this.throwMissingNativeModule();
}
clearCookies(...args: Array<any>) {
this.throwMissingNativeModule();
}
}
// This module depends on the native `RCTNetworkingNative` module. If you don't include it,
// `RCTNetworking.isAvailable` will return `false`, and any method calls will throw.
// We reassign the class variable to keep the autodoc generator happy.
RCTNetworking = new MissingNativeRCTNetworkingShim();
} else {
RCTNetworking = new RCTNetworking();
}
module.exports = RCTNetworking;