How to use

setMimeType

method

in

org.flowable.content.api.ContentItem

contentItem.setMimeType(paramMap.get(parameterName)[0]);

protected ContentItemRepresentation uploadFile(User user, MultipartFile file, String taskId, String processInstanceId, String caseId) {
  if (file != null && file.getName() != null) {
    try {
      String contentType = file.getContentType();
      // temp additional content type check for IE9 flash uploads
      if (StringUtils.equals(file.getContentType(), "application/octet-stream")) {
        contentType = getContentTypeForFileExtension(file);
      }
      ContentItem contentItem = contentService.newContentItem();
      contentItem.setName(getFileName(file));
      contentItem.setProcessInstanceId(processInstanceId);
      contentItem.setTaskId(taskId);
      if (StringUtils.isNotEmpty(caseId)) {
        contentItem.setScopeType("cmmn");
        contentItem.setScopeId(caseId);
      }
      contentItem.setMimeType(contentType);
      contentItem.setCreatedBy(user.getId());
      contentItem.setLastModifiedBy(user.getId());
      contentService.saveContentItem(contentItem, file.getInputStream());
      return createContentItemResponse(contentItem);
    } catch (IOException e) {
      throw new BadRequestException("Error while reading file data", e);
    }
  } else {
    throw new BadRequestException("File to upload is missing");
  }
}

contentItem.setMimeType(request.getMimeType());

protected ContentItemRepresentation addContentItem(ContentItemRepresentation contentItemBody, String taskId, String processInstanceId, boolean isRelatedContent) {
  if (contentItemBody.getContentStoreId() == null || contentItemBody.getContentStoreName() == null || contentItemBody.getName() == null) {
    throw new BadRequestException("Name, source and sourceId are required parameters");
  }
  User user = SecurityUtils.getCurrentUserObject();
  ContentItem contentItem = contentService.newContentItem();
  contentItem.setName(contentItemBody.getName());
  contentItem.setProcessInstanceId(processInstanceId);
  contentItem.setTaskId(taskId);
  contentItem.setContentStoreId(contentItemBody.getContentStoreId());
  contentItem.setContentStoreName(contentItemBody.getContentStoreName());
  contentItem.setMimeType(contentItemBody.getMimeType());
  contentItem.setCreatedBy(user.getId());
  contentItem.setLastModifiedBy(user.getId());
  contentService.saveContentItem(contentItem);
  return createContentItemResponse(contentItem);
}

protected ContentItemResponse createSimpleContentItem(ContentItemRequest contentItemRequest) {
  if (contentItemRequest.getName() == null) {
    throw new FlowableIllegalArgumentException("Content item name is required.");
  }
  ContentItem contentItem = contentService.newContentItem();
  contentItem.setName(contentItemRequest.getName());
  contentItem.setMimeType(contentItemRequest.getMimeType());
  contentItem.setTaskId(contentItemRequest.getTaskId());
  contentItem.setProcessInstanceId(contentItemRequest.getProcessInstanceId());
  contentItem.setContentStoreId(contentItemRequest.getContentStoreId());
  contentItem.setContentStoreName(contentItemRequest.getContentStoreName());
  contentItem.setField(contentItemRequest.getField());
  contentItem.setCreatedBy(contentItemRequest.getCreatedBy());
  contentItem.setLastModifiedBy(contentItemRequest.getLastModifiedBy());
  contentItem.setTenantId(contentItemRequest.getTenantId());
  
  if (restApiInterceptor != null) {
    restApiInterceptor.createNewContentItem(contentItem);
  }
  
  contentService.saveContentItem(contentItem);
  return contentRestResponseFactory.createContentItemResponse(contentItem);
}