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public interface FlashMapManager
A strategy interface for retrieving and saving FlashMap instances.
See FlashMap for a general overview of flash attributes.
FlashMap| Method Summary | |
|---|---|
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. |
| Method Detail |
|---|
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, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse), which is invoked only when there are
flash attributes to be saved - i.e. before a redirect.
request - the current requestresponse - the current response
null
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
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