| // Copyright 2015 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| library webdriver.sync_io; |
| |
| import 'dart:convert' show JSON; |
| import 'dart:io' show ContentType, HttpHeaders; |
| |
| import 'package:sync_http/sync_http.dart'; |
| import 'package:webdriver/sync_core.dart' as core |
| show createDriver, fromExistingSession, WebDriver; |
| import 'package:webdriver/src/sync/command_processor.dart' |
| show CommandProcessor; |
| import 'package:webdriver/src/sync/exception.dart' show WebDriverException; |
| |
| export 'package:webdriver/sync_core.dart' |
| hide createDriver, fromExistingSession; |
| |
| /// Creates a WebDriver instance connected to the specified WebDriver server. |
| /// |
| /// Note: WebDriver endpoints will be constructed using [resolve] against |
| /// [uri]. Therefore, if [uri] does not end with a trailing slash, the |
| /// last path component will be dropped. |
| core.WebDriver createDriver({Uri uri, Map<String, dynamic> desired}) => |
| core.createDriver(new IOCommandProcessor(), uri: uri, desired: desired); |
| |
| /// Creates a WebDriver instance connected to an existing session. |
| /// |
| /// Note: WebDriver endpoints will be constructed using [resolve] against |
| /// [uri]. Therefore, if [uri] does not end with a trailing slash, the |
| /// last path component will be dropped. |
| core.WebDriver fromExistingSession(String sessionId, {Uri uri}) => |
| core.fromExistingSession(new IOCommandProcessor(), sessionId, uri: uri); |
| |
| final ContentType _contentTypeJson = |
| new ContentType("application", "json", charset: "utf-8"); |
| |
| class IOCommandProcessor implements CommandProcessor { |
| @override |
| dynamic post(Uri uri, dynamic params, {bool value: true}) { |
| final request = SyncHttpClient.postUrl(uri); |
| _setUpRequest(request); |
| request.headers.contentType = _contentTypeJson; |
| if (params != null) { |
| var body = JSON.encode(params); // Cannot be changed from UTF8. |
| request.write(body); |
| } |
| return _processResponse(request.close(), value); |
| } |
| |
| @override |
| dynamic get(Uri uri, {bool value: true}) { |
| final request = SyncHttpClient.getUrl(uri); |
| _setUpRequest(request); |
| return _processResponse(request.close(), value); |
| } |
| |
| @override |
| dynamic delete(Uri uri, {bool value: true}) { |
| final request = SyncHttpClient.deleteUrl(uri); |
| _setUpRequest(request); |
| return _processResponse(request.close(), value); |
| } |
| |
| @override |
| void close() {} |
| |
| _processResponse(SyncHttpClientResponse response, bool value) { |
| final respDecoded = response.body; |
| Map respBody; |
| try { |
| respBody = JSON.decode(respDecoded); |
| } catch (e) {} |
| |
| // TODO(staats): Update to infer protocols. |
| if (response.statusCode < 200 || |
| response.statusCode > 299 || |
| (respBody is Map && |
| respBody['status'] != null && |
| 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(SyncHttpClientRequest request) { |
| // TODO(staats): Follow redirects. |
| request.headers.add(HttpHeaders.ACCEPT, "application/json"); |
| request.headers.add(HttpHeaders.CACHE_CONTROL, "no-cache"); |
| } |
| } |