jodd-servlet/src/main/java/jodd/servlet/ServletUtil.java
public static boolean isMultipartRequest(final HttpServletRequest request) {
		String type = request.getHeader(HEADER_CONTENT_TYPE);
		return (type != null) && type.startsWith(TYPE_MULTIPART_FORM_DATA);
	}
public static boolean isMultipartRequest(final HttpServletRequest request) {
		String type = request.getHeader(HEADER_CONTENT_TYPE);
		return (type != null) && type.startsWith(TYPE_MULTIPART_FORM_DATA);
	}
Returns <code>true</code> if a request is multi-part request.