org.springframework.web.servlet.support

Class SessionFlashMapManager

java.lang.Object

org.springframework.web.servlet.support.AbstractFlashMapManager

org.springframework.web.servlet.support.SessionFlashMapManager

All Implemented Interfaces:

FlashMapManager

public class SessionFlashMapManager
extends AbstractFlashMapManager

Store and retrieve FlashMap instances to and from the HTTP session.

Since:

3.1.1

Author:

Rossen Stoyanchev, Juergen Hoeller

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.String	FLASH_MAPS_SESSION_ATTRIBUTE

Fields inherited from class org.springframework.web.servlet.support.AbstractFlashMapManager

logger

Constructor Summary

Constructors

Constructor and Description
SessionFlashMapManager()

Method Summary

Modifier and Type	Method and Description
protected java.lang.Object	getFlashMapsMutex(HttpServletRequest request) Exposes the best available session mutex.
protected java.util.List<FlashMap>	retrieveFlashMaps(HttpServletRequest request) Retrieves saved FlashMap instances from the HTTP session, if any.
protected void	updateFlashMaps(java.util.List<FlashMap> flashMaps, HttpServletRequest request, HttpServletResponse response) Saves the given FlashMap instances in the HTTP session.

Methods inherited from class org.springframework.web.servlet.support.AbstractFlashMapManager

getFlashMapTimeout, getUrlPathHelper, isFlashMapForRequest, retrieveAndUpdate, saveOutputFlashMap, setFlashMapTimeout, setUrlPathHelper

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

FLASH_MAPS_SESSION_ATTRIBUTE

private static final java.lang.String FLASH_MAPS_SESSION_ATTRIBUTE

Constructor Detail

SessionFlashMapManager

public SessionFlashMapManager()

Method Detail

retrieveFlashMaps

protected java.util.List<FlashMap> retrieveFlashMaps(HttpServletRequest request)

Retrieves saved FlashMap instances from the HTTP session, if any.

Specified by:

retrieveFlashMaps in class AbstractFlashMapManager

Parameters:

request - the current request

Returns:

a List with FlashMap instances, or null if none found

updateFlashMaps

protected void updateFlashMaps(java.util.List<FlashMap> flashMaps,
                               HttpServletRequest request,
                               HttpServletResponse response)

Saves the given FlashMap instances in the HTTP session.

Specified by:

updateFlashMaps in class AbstractFlashMapManager

Parameters:

flashMaps - a (potentially empty) list of FlashMap instances to save

request - the current request

response - the current response

getFlashMapsMutex

protected java.lang.Object getFlashMapsMutex(HttpServletRequest request)

Exposes the best available session mutex.

Overrides:

getFlashMapsMutex in class AbstractFlashMapManager

Parameters:

request - the current request

Returns:

the mutex to use (may be null if none applicable)

See Also:

WebUtils.getSessionMutex(HttpSession), HttpSessionMutexListener