text: /* */ 
  "format cjs";
  var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
      var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
      if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
      else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
      return c > 3 && r && Object.defineProperty(target, key, r), r;
  };
  var __metadata = (this && this.__metadata) || function (k, v) {
      if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
  };
  import { RequestMethod, ResponseType } from '../enums';
  import { Response } from '../static_response';
  import { Headers } from '../headers';
  import { ResponseOptions } from '../base_response_options';
  import { Injectable } from 'angular2/core';
  import { BrowserXhr } from './browser_xhr';
  import { isPresent } from 'angular2/src/facade/lang';
  import { Observable } from 'rxjs/Observable';
  import { isSuccess, getResponseURL } from '../http_utils';
  /**
  * Creates connections using `XMLHttpRequest`. Given a fully-qualified
  * request, an `XHRConnection` will immediately create an `XMLHttpRequest` object and send the
  * request.
  *
  * This class would typically not be created or interacted with directly inside applications, though
  * the {@link MockConnection} may be interacted with in tests.
  */
  export class XHRConnection {
      constructor(req, browserXHR, baseResponseOptions) {
          this.request = req;
          this.response = new Observable((responseObserver) => {
              let _xhr = browserXHR.build();
              _xhr.open(RequestMethod[req.method].toUpperCase(), req.url);
              // load event handler
              let onLoad = () => {
                  // responseText is the old-school way of retrieving response (supported by IE8 & 9)
                  // response/responseType properties were introduced in XHR Level2 spec (supported by
                  // IE10)
                  let body = isPresent(_xhr.response) ? _xhr.response : _xhr.responseText;
                  let headers = Headers.fromResponseHeaderString(_xhr.getAllResponseHeaders());
                  let url = getResponseURL(_xhr);
                  // normalize IE9 bug (http://bugs.jquery.com/ticket/1450)
                  let status = _xhr.status === 1223 ? 204 : _xhr.status;
                  // fix status code when it is 0 (0 status is undocumented).
                  // Occurs when accessing file resources or on Android 4.1 stock browser
                  // while retrieving files from application cache.
                  if (status === 0) {
                      status = body ? 200 : 0;
                  }
                  var responseOptions = new ResponseOptions({ body, status, headers, url });
                  if (isPresent(baseResponseOptions)) {
                      responseOptions = baseResponseOptions.merge(responseOptions);
                  }
                  let response = new Response(responseOptions);
                  if (isSuccess(status)) {
                      responseObserver.next(response);
                      // TODO(gdi2290): defer complete if array buffer until done
                      responseObserver.complete();
                      return;
                  }
                  responseObserver.error(response);
              };
              // error event handler
              let onError = (err) => {
                  var responseOptions = new ResponseOptions({ body: err, type: ResponseType.Error });
                  if (isPresent(baseResponseOptions)) {
                      responseOptions = baseResponseOptions.merge(responseOptions);
                  }
                  responseObserver.error(new Response(responseOptions));
              };
              if (isPresent(req.headers)) {
                  req.headers.forEach((values, name) => _xhr.setRequestHeader(name, values.join(',')));
              }
              _xhr.addEventListener('load', onLoad);
              _xhr.addEventListener('error', onError);
              _xhr.send(this.request.text());
              return () => {
                  _xhr.removeEventListener('load', onLoad);
                  _xhr.removeEventListener('error', onError);
                  _xhr.abort();
              };
          });
      }
  }
  /**
   * Creates {@link XHRConnection} instances.
   *
   * This class would typically not be used by end users, but could be
   * overridden if a different backend implementation should be used,
   * such as in a node backend.
   *
   * ### Example
   *
   * ```
   * import {Http, MyNodeBackend, HTTP_PROVIDERS, BaseRequestOptions} from 'angular2/http';
   * @Component({
   *   viewProviders: [
   *     HTTP_PROVIDERS,
   *     provide(Http, {useFactory: (backend, options) => {
   *       return new Http(backend, options);
   *     }, deps: [MyNodeBackend, BaseRequestOptions]})]
   * })
   * class MyComponent {
   *   constructor(http:Http) {
   *     http.request('people.json').subscribe(res => this.people = res.json());
   *   }
   * }
   * ```
   *
   **/
  export let XHRBackend = class {
      constructor(_browserXHR, _baseResponseOptions) {
          this._browserXHR = _browserXHR;
          this._baseResponseOptions = _baseResponseOptions;
      }
      createConnection(request) {
          return new XHRConnection(request, this._browserXHR, this._baseResponseOptions);
      }
  };
  XHRBackend = __decorate([
      Injectable(), 
      __metadata('design:paramtypes', [BrowserXhr, ResponseOptions])
  ], XHRBackend);
  