Reverting 14496

pkg/http/lib/src/base_client.dart

Index: pkg/http/lib/src/base_client.dart
diff --git a/pkg/http/lib/src/base_client.dart b/pkg/http/lib/src/base_client.dart
deleted file mode 100644
index 0b9c52ddbfe839bf750b44e72fdc1d6f71eeabf3..0000000000000000000000000000000000000000
--- a/pkg/http/lib/src/base_client.dart
+++ /dev/null
@@ -1,135 +0,0 @@
-// 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.
-
-library base_client;
-
-import 'dart:io';
-import 'dart:scalarlist';
-import 'dart:uri';
-
-import 'base_request.dart';
-import 'request.dart';
-import 'response.dart';
-import 'streamed_response.dart';
-import 'utils.dart';
-
-/// The abstract base class for an HTTP client. This is a mixin-style class;
-/// subclasses only need to implement [send] and maybe [close], and then they
-/// get various convenience methods for free.
-abstract class BaseClient {
-  /// Sends an HTTP HEAD request with the given headers to the given URL, which
-  /// can be a [Uri] or a [String].
-  ///
-  /// For more fine-grained control over the request, use [send] instead.
-  Future<Response> head(url, {Map<String, String> headers}) =>
-    _sendUnstreamed("HEAD", url, headers);
-
-  /// Sends an HTTP GET request with the given headers to the given URL, which
-  /// can be a [Uri] or a [String].
-  ///
-  /// For more fine-grained control over the request, use [send] instead.
-  Future<Response> get(url, {Map<String, String> headers}) =>
-    _sendUnstreamed("GET", url, headers);
-
-  /// Sends an HTTP POST request with the given headers and fields to the given
-  /// URL, which can be a [Uri] or a [String]. If any fields are specified, the
-  /// content-type is automatically set to
-  /// `"application/x-www-form-urlencoded"`.
-  ///
-  /// For more fine-grained control over the request, use [send] instead.
-  Future<Response> post(url,
-      {Map<String, String> headers,
-       Map<String, String> fields}) =>
-    _sendUnstreamed("POST", url, headers, fields);
-
-  /// Sends an HTTP PUT request with the given headers and fields to the given
-  /// URL, which can be a [Uri] or a [String]. If any fields are specified, the
-  /// content-type is automatically set to
-  /// `"application/x-www-form-urlencoded"`.
-  ///
-  /// For more fine-grained control over the request, use [send] instead.
-  Future<Response> put(url,
-      {Map<String, String> headers,
-       Map<String, String> fields}) =>
-    _sendUnstreamed("PUT", url, headers, fields);
-
-  /// Sends an HTTP DELETE request with the given headers to the given URL,
-  /// which can be a [Uri] or a [String].
-  ///
-  /// For more fine-grained control over the request, use [send] instead.
-  Future<Response> delete(url, {Map<String, String> headers}) =>
-    _sendUnstreamed("DELETE", url, headers);
-
-  /// Sends an HTTP GET request with the given headers to the given URL, which
-  /// can be a [Uri] or a [String], and returns a Future that completes to the
-  /// body of the response as a String.
-  ///
-  /// The Future will emit an [HttpException] if the response doesn't have a
-  /// success status code.
-  ///
-  /// For more fine-grained control over the request and response, use [send] or
-  /// [get] instead.
-  Future<String> read(url, {Map<String, String> headers}) {
-    return get(url, headers: headers).transform((response) {
-      _checkResponseSuccess(url, response);
-      return response.body;
-    });
-  }
-
-  /// Sends an HTTP GET request with the given headers to the given URL, which
-  /// can be a [Uri] or a [String], and returns a Future that completes to the
-  /// body of the response as a list of bytes.
-  ///
-  /// The Future will emit an [HttpException] if the response doesn't have a
-  /// success status code.
-  ///
-  /// For more fine-grained control over the request and response, use [send] or
-  /// [get] instead.
-  Future<Uint8List> readBytes(url, {Map<String, String> headers}) {
-    return get(url, headers: headers).transform((response) {
-      _checkResponseSuccess(url, response);
-      return response.bodyBytes;
-    });
-  }
-
-  /// Sends an HTTP request and asynchronously returns the response.
-  ///
-  /// Implementers should call [BaseRequest.finalize] to get the body of the
-  /// request as an [InputStream]. They shouldn't make any assumptions about the
-  /// state of the stream; it could have data written to it asynchronously at a
-  /// later point, or it could already be closed when it's returned.
-  Future<StreamedResponse> send(BaseRequest request);
-
-  /// Sends a non-streaming [Request] and returns a non-streaming [Response].
-  Future<Response> _sendUnstreamed(
-      String method, url, Map<String, String> headers,
-      [Map<String, String> fields]) {
-    // Wrap everything in a Future block so that synchronous validation errors
-    // are passed asynchronously through the Future chain.
-    return async.chain((_) {
-      if (url is String) url = new Uri.fromString(url);
-      var request = new Request(method, url);
-
-      if (headers != null) mapAddAll(request.headers, headers);
-      if (fields != null && !fields.isEmpty) request.bodyFields = fields;
-
-      return send(request);
-    }).chain(Response.fromStream);
-  }
-
-  /// Throws an error if [response] is not successful.
-  void _checkResponseSuccess(url, Response response) {
-    if (response.statusCode < 400) return;
-    var message = "Request to $url failed with status ${response.statusCode}";
-    if (response.reasonPhrase != null) {
-      message = "$message: ${response.reasonPhrase}";
-    }
-    throw new HttpException("$message.");
-  }
-
-  /// Closes the client and cleans up any resources associated with it. It's
-  /// important to close each client when it's done being used; failing to do so
-  /// can cause the Dart process to hang.
-  void close() {}
-}