Java 类org.springframework.web.multipart.support.StandardMultipartHttpServletRequest 实例源码

private void writeFilesAndAddToMap(HttpServletRequest request, Map<String, Object> variableMap, List<File> tempFileList) {

    // get multipart request
    StandardMultipartHttpServletRequest multipartHttpServletRequest = (StandardMultipartHttpServletRequest) request;

    // get file map from request
    Map<String, MultipartFile> fileMap = multipartHttpServletRequest.getFileMap();

    for (Entry<String, MultipartFile> fileMapEntry : fileMap.entrySet()) {

        // write file uploads to disk
        File file = writeMultipartFile(fileMapEntry.getValue());
        if (file != null) {

            // add to temp file list
            tempFileList.add(file);

            // add file paths to variable map
            variableMap.put(fileMapEntry.getKey(), file.getAbsolutePath());
        }
    }
}

/**
 * ## todo : add proper mapping.
 *
 * @param request {@link HttpServletRequest}
 */
@PostMapping("add/product")
public Map<String, Boolean> addAndPersistProduct(final HttpServletRequest request) {
    final MultipartFile product = ((StandardMultipartHttpServletRequest) request).getMultiFileMap().getFirst("products");
    final MultipartFile image = ((StandardMultipartHttpServletRequest) request).getMultiFileMap().getFirst("images");

    // manually replace quote char
    final String commaSeparatedKeywords = request.getParameter("keywords").replaceAll("\"", "");
    final String userName = request.getParameter("username");

    final UserEntity userEntity = this.service.getUserByUserName(userName);
    final List<KeywordEntity> keywordEntityList = this.service.getKeywordEntityListByAlias(commaSeparatedKeywords);
    final ProductEntity productEntity = new ProductEntity();

    // manually replace quote char
    productEntity.setName(request.getParameter("name").replaceAll("\"", ""));
    productEntity.setDescription(request.getParameter("description").replaceAll("\"", ""));

    try (final InputStream imgInput = image.getInputStream();
            final InputStream cntInput = product.getInputStream()) {
        final byte[] imgArray = IOUtils.toByteArray(imgInput); // Apache commons IO.
        productEntity.setPreviewImage(imgArray);

        final byte[] cntArray = IOUtils.toByteArray(cntInput); // Apache commons IO.
        productEntity.setProductItem(cntArray);
    } catch (IOException e) {
        LOG.error(e.getMessage(), e);
    }

    productEntity.setUserEntity(userEntity);
    productEntity.setKeywordEntityList(keywordEntityList);

    this.service.persistProductEntity(productEntity);
    final Map<String, Boolean> returnMap = new HashMap<>();
    returnMap.put("success", productEntity.getProductUuid() != null);
    return returnMap;
}