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

78 lines
2.1 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule RCTNetworking
*/
'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 FormData = require('FormData');
const NativeEventEmitter = require('NativeEventEmitter');
const RCTNetworkingNative = require('NativeModules').Networking;
type Header = [string, string];
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() {
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 {
constructor() {
super(RCTNetworkingNative);
}
sendRequest(method, url, headers, data, incrementalUpdates, timeout, callback) {
if (typeof data === 'string') {
data = {string: data};
} else if (data instanceof FormData) {
data = {
formData: data.getParts().map((part) => {
part.headers = convertHeadersMapToArray(part.headers);
return part;
}),
};
}
const requestId = generateRequestId();
RCTNetworkingNative.sendRequest(
method,
url,
requestId,
convertHeadersMapToArray(headers),
data,
incrementalUpdates,
timeout
);
callback(requestId);
}
abortRequest(requestId) {
RCTNetworkingNative.abortRequest(requestId);
}
clearCookies(callback) {
RCTNetworkingNative.clearCookies(callback);
}
}
module.exports = new RCTNetworking();