@RequestMapping(value = "/pdf", method = RequestMethod.GET)
    public ResponseEntity<byte[]> getShelterStatusInPdf() {
        ResponseEntity<byte[]> response = restTemplate.getForEntity(REST_API_DOMAIN_BASE + "/export/pdf", byte[].class);

        byte[] pdf = response.getBody();

        HttpHeaders httpHeaders = generateHttpHeaders("pdf");
        httpHeaders.setContentLength(pdf.length);

        return new ResponseEntity<>(pdf, httpHeaders, HttpStatus.OK);
    }

    @RequestMapping(value = "/csv", method = RequestMethod.GET)
    public ResponseEntity<String> getShelterStatusInCsv() {
        ResponseEntity<String> response = restTemplate.getForEntity(REST_API_DOMAIN_BASE + "/export/csv", String.class);

        String csv = response.getBody();

        HttpHeaders httpHeaders = generateHttpHeaders("csv");
        httpHeaders.setContentLength(csv.length());

        return new ResponseEntity<>(csv, httpHeaders, HttpStatus.OK);
    }

    private HttpHeaders generateHttpHeaders(String fileFormat) {
        HttpHeaders httpHeaders = new HttpHeaders();
        switch(fileFormat) {
            case "PDF":
            case "pdf":
                httpHeaders.setContentType(MediaType.APPLICATION_PDF);
                httpHeaders.set(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=status.pdf");
                break;
            case "CSV":
            case "csv":
                httpHeaders.setContentType(MediaType.TEXT_PLAIN);
                httpHeaders.set(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=status.csv");
                break;
            default:
                throw new IllegalArgumentException("Unsupported file format!");
        }

        return httpHeaders;
    }