Support classes for the multipart resolution framework.
Contains property editors for multipart files, and a
servlet filter for multipart handling without Spring's web MVC.
Servlet 2.3 Filter that resolves multipart requests via a MultipartResolver.
in the root web application context.
Looks up the MultipartResolver in Spring's root web application context.
Supports a "multipartResolverBeanName" filter init-param in web.xml;
the default bean name is "filterMultipartResolver".