Examples with FileResource org.hisp.dhis.fileresource.FileResource used on opensource projects

Example 11 with FileResource

use of org.hisp.dhis.fileresource.FileResource in project dhis2-core by dhis2.

the class FileResourceController method saveFileResource.

@RequestMapping(method = RequestMethod.POST)
@ResponseBody
public WebMessage saveFileResource(@RequestParam MultipartFile file) throws WebMessageException, IOException {
    String filename = StringUtils.defaultIfBlank(FilenameUtils.getName(file.getOriginalFilename()), DEFAULT_FILENAME);
    String contentType = file.getContentType();
    contentType = isValidContentType(contentType) ? contentType : DEFAULT_CONTENT_TYPE;
    long contentLength = file.getSize();
    if (contentLength <= 0) {
        throw new WebMessageException(WebMessageUtils.conflict("Could not read file or file is empty."));
    }
    ByteSource bytes = new MultipartFileByteSource(file);
    String contentMd5 = bytes.hash(Hashing.md5()).toString();
    FileResource fileResource = new FileResource(filename, contentType, contentLength, contentMd5, FileResourceDomain.DATA_VALUE);
    fileResource.setAssigned(false);
    fileResource.setCreated(new Date());
    fileResource.setUser(currentUserService.getCurrentUser());
    File tmpFile = toTempFile(file);
    String uid = fileResourceService.saveFileResource(fileResource, tmpFile);
    if (uid == null) {
        throw new WebMessageException(WebMessageUtils.error("Saving the file failed."));
    }
    WebMessage webMessage = new WebMessage(Status.OK, HttpStatus.ACCEPTED);
    webMessage.setResponse(new FileResourceWebMessageResponse(fileResource));
    return webMessage;
}