小编vki*_*hev的帖子

我有一个Java 7 Spring Boot(1.5.4)RESTfull服务,其端点返回DeferredResult:

@RequestMapping(value = "/download/{templateName:.+}")
public DeferredResult<ResponseEntity> download(@PathVariable final String templateName,
                                               @RequestParam final Map<String, Object> args) {
    final DeferredResult<ResponseEntity> result = new DeferredResult<>();
    try {
        // it returns a RxJava Observable
        final ReportService reportService = getReportService(templateName);
        reportService.process(templateName, args).subscribe(new Consumer<byte[]>() {
            public void accept(byte[] bytes) throws Exception {
                HttpHeaders header = new HttpHeaders();
                header.setContentType(new MediaType("application", MEDIA_TYPE_SPREADSHEET));
                header.setContentDispositionFormData("attachment", templateName);

                InputStreamResource resource = new InputStreamResource(new ByteArrayInputStream(bytes));
                result.setResult(ResponseEntity.ok().headers(header).body(resource));
            }
        }, new Consumer<Throwable>() {
            public void accept(Throwable e) throws Exception {
                result.setResult(ResponseEntity.badRequest().build());
                // …