export class MyComp {
  function save() {
    let data : ArrayBuffer = this.readFile(this.file);
    this.imageService.upload(data);
  }
}

@Injectable()
export class ImageService {
    private http: Http;

    constructor(@Inject()http: Http) {
        this.http = http;
    }
    upload(image: ArrayBuffer) {
        let headers = new Headers({ 'Content-Type': 'image/png' });
        //let arr = new Int16Array(image);
        //let body = String.fromCharCode.apply(null, arr);
        return this.http
            .put('/upload', body, { headers: headers })
            .map(response => response.json());
    }

export class Request {
  // TODO: support URLSearchParams | FormData | Blob | ArrayBuffer
}
export class Response {
  // TODO: Support ArrayBuffer, JSON, FormData, Blob
}