How to use

isPartCollection

method

in

org.springframework.web.multipart.support.MultipartResolutionDelegate

public static boolean isMultipartArgument(MethodParameter parameter) {
  Class<?> paramType = parameter.getNestedParameterType();
  return (MultipartFile.class == paramType ||
      isMultipartFileCollection(parameter) || isMultipartFileArray(parameter) ||
      (Part.class == paramType || isPartCollection(parameter) || isPartArray(parameter)));
}

public static boolean isMultipartArgument(MethodParameter parameter) {
  Class<?> paramType = parameter.getNestedParameterType();
  return (MultipartFile.class == paramType ||
      isMultipartFileCollection(parameter) || isMultipartFileArray(parameter) ||
      (Part.class == paramType || isPartCollection(parameter) || isPartArray(parameter)));
}

  return (isMultipart ? request.getPart(name): null);
else if (isPartCollection(parameter)) {
  return (isMultipart ? resolvePartList(request, name) : null);

  return (isMultipart ? request.getPart(name): null);
else if (isPartCollection(parameter)) {
  return (isMultipart ? resolvePartList(request, name) : null);

public static boolean isMultipartArgument(MethodParameter parameter) {
  Class<?> paramType = parameter.getNestedParameterType();
  return (MultipartFile.class == paramType ||
      isMultipartFileCollection(parameter) || isMultipartFileArray(parameter) ||
      (Part.class == paramType || isPartCollection(parameter) || isPartArray(parameter)));
}

  return (isMultipart ? request.getPart(name): null);
else if (isPartCollection(parameter)) {
  return (isMultipart ? resolvePartList(request, name) : null);