public String getMultipartClass()
    {
        if ( _forceMultipartDisabled ) return null;
        if ( _overrideMultipartClass != null ) return _overrideMultipartClass;

        MultipartHandler mpHandler = InternalUtils.getMultipartHandlerType();
        
        if ( mpHandler != null )
        {
            switch ( mpHandler.getValue() )
            {
                case MultipartHandler.INT_DISABLED: return null;
                case MultipartHandler.INT_MEMORY: return COMMONS_MULTIPART_HANDLER_CLASS;
                case MultipartHandler.INT_DISK: return COMMONS_MULTIPART_HANDLER_CLASS;
                default: assert false : "unknown value for multipart handler: " + mpHandler.toString();
            }
        }
        
        return null;
    }
public String getMultipartClass ( ) { if ( _forceMultipartDisabled ) return null ; if ( _overrideMultipartClass != null ) return _overrideMultipartClass ; MultipartHandler mpHandler = InternalUtils . getMultipartHandlerType ( ) ; if ( mpHandler != null ) { switch ( mpHandler . getValue ( ) ) { case MultipartHandler . INT_DISABLED : return null ; case MultipartHandler . INT_MEMORY : return COMMONS_MULTIPART_HANDLER_CLASS ; case MultipartHandler . INT_DISK : return COMMONS_MULTIPART_HANDLER_CLASS ; default : assert false : "unknown value for multipart handler: " + mpHandler . toString ( ) ; } } return null ; }
This gets the multipart class.  If it was explicitly set on the associated <controller> element, just use that;
otherwise, get the value from WEB-INF/beehive-netui-config.xml.