| part of webdriver; |
| |
| final ContentType _contentTypeJson = |
| new ContentType("application", "json", charset: "utf-8"); |
| |
| class _CommandProcessor { |
| final HttpClient client = new HttpClient(); |
| |
| Lock _lock = new Lock(); |
| |
| Future<Object> post(Uri uri, dynamic params, {bool value: true}) async { |
| await _lock.acquire(); |
| HttpClientRequest request = await client.postUrl(uri); |
| _setUpRequest(request); |
| request.headers.contentType = _contentTypeJson; |
| if (params != null) { |
| var body = UTF8.encode(JSON.encode(params)); |
| request.contentLength = body.length; |
| request.add(body); |
| } else { |
| request.contentLength = 0; |
| } |
| return await _processResponse(await request.close(), value); |
| } |
| |
| Future<Object> get(Uri uri, {bool value: true}) async { |
| await _lock.acquire(); |
| HttpClientRequest request = await client.getUrl(uri); |
| _setUpRequest(request); |
| return await _processResponse(await request.close(), value); |
| } |
| |
| Future<Object> delete(Uri uri, {bool value: true}) async { |
| await _lock.acquire(); |
| HttpClientRequest request = await client.deleteUrl(uri); |
| _setUpRequest(request); |
| return await _processResponse(await request.close(), value); |
| } |
| |
| _processResponse(HttpClientResponse response, bool value) async { |
| var respBody = await UTF8.decodeStream(response); |
| _lock.release(); |
| try { |
| respBody = JSON.decode(respBody); |
| } catch (e) {} |
| |
| if (response.statusCode < 200 || |
| response.statusCode > 299 || |
| (respBody is Map && respBody['status'] != 0)) { |
| throw new WebDriverException( |
| httpStatusCode: response.statusCode, |
| httpReasonPhrase: response.reasonPhrase, |
| jsonResp: respBody); |
| } |
| if (value && respBody is Map) { |
| return respBody['value']; |
| } |
| return respBody; |
| } |
| |
| void _setUpRequest(HttpClientRequest request) { |
| request.followRedirects = false; |
| request.headers.add(HttpHeaders.ACCEPT, "application/json"); |
| request.headers.add(HttpHeaders.ACCEPT_CHARSET, UTF8.name); |
| request.headers.add(HttpHeaders.CACHE_CONTROL, "no-cache"); |
| } |
| |
| |
| } |