| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'dart:async'; |
| import 'dart:io'; |
| |
| import 'package:async/async.dart'; |
| |
| import 'base_client.dart'; |
| import 'base_request.dart'; |
| import 'exception.dart'; |
| import 'streamed_response.dart'; |
| |
| /// A `dart:io`-based HTTP client. |
| /// |
| /// This is the default client when running on the command line. |
| class IOClient extends BaseClient { |
| /// The underlying `dart:io` HTTP client. |
| HttpClient _inner; |
| |
| /// Creates a new HTTP client. |
| IOClient([HttpClient inner]) : _inner = inner ?? new HttpClient(); |
| |
| /// Sends an HTTP request and asynchronously returns the response. |
| Future<StreamedResponse> send(BaseRequest request) async { |
| var stream = request.finalize(); |
| |
| try { |
| var ioRequest = await _inner.openUrl(request.method, request.url); |
| |
| ioRequest |
| ..followRedirects = request.followRedirects |
| ..maxRedirects = request.maxRedirects |
| ..contentLength = request.contentLength == null |
| ? -1 |
| : request.contentLength |
| ..persistentConnection = request.persistentConnection; |
| request.headers.forEach((name, value) { |
| ioRequest.headers.set(name, value); |
| }); |
| |
| var response = await stream.pipe( |
| DelegatingStreamConsumer.typed(ioRequest)); |
| var headers = <String, String>{}; |
| response.headers.forEach((key, values) { |
| headers[key] = values.join(','); |
| }); |
| |
| return new StreamedResponse( |
| DelegatingStream.typed<List<int>>(response).handleError((error) => |
| throw new ClientException(error.message, error.uri), |
| test: (error) => error is HttpException), |
| response.statusCode, |
| contentLength: response.contentLength == -1 |
| ? null |
| : response.contentLength, |
| request: request, |
| headers: headers, |
| isRedirect: response.isRedirect, |
| persistentConnection: response.persistentConnection, |
| reasonPhrase: response.reasonPhrase); |
| } on HttpException catch (error) { |
| throw new ClientException(error.message, error.uri); |
| } |
| } |
| |
| /// Closes the client. This terminates all active connections. If a client |
| /// remains unclosed, the Dart process may not terminate. |
| void close() { |
| if (_inner != null) _inner.close(force: true); |
| _inner = null; |
| } |
| } |