public interface FlashMapManager
FlashMap
for a general overview of flash attributes.FlashMap
Modifier and Type | Method and Description |
---|---|
FlashMap |
retrieveAndUpdate(HttpServletRequest request,
HttpServletResponse response)
Find a FlashMap saved by a previous request that matches to the current
request, remove it from underlying storage, and also remove other
expired FlashMap instances.
|
void |
saveOutputFlashMap(FlashMap flashMap,
HttpServletRequest request,
HttpServletResponse response)
Save the given FlashMap, in some underlying storage and set the start
of its expiration period.
|
FlashMap retrieveAndUpdate(HttpServletRequest request, HttpServletResponse response)
This method is invoked in the beginning of every request in contrast
to saveOutputFlashMap(org.springframework.web.servlet.FlashMap, HttpServletRequest, HttpServletResponse)
, which is invoked only when there are
flash attributes to be saved - i.e. before a redirect.
request
- the current requestresponse
- the current responsenull
void saveOutputFlashMap(FlashMap flashMap, HttpServletRequest request, HttpServletResponse response)
NOTE: Invoke this method prior to a redirect in order to allow saving the FlashMap in the HTTP session or in a response cookie before the response is committed.
flashMap
- the FlashMap to saverequest
- the current requestresponse
- the current response