save this state into the current thread 's local storage concode_field_sep FileInfo fileInfo concode_elem_sep ThreadLocal holder concode_elem_sep UploadConfig uploadConfig concode_field_sep UploadStateHolder take concode_elem_sep UploadConfig getUploadConfig concode_elem_sep void run concode_elem_sep FileInfo getFileInfo
void function ( ) { holder . set ( this ) ; }