java.lang.Object
- org.springframework.web.bind.support.DefaultSessionAttributeStore

All Implemented Interfaces:
SessionAttributeStore
```
public class DefaultSessionAttributeStore
extends Object
implements SessionAttributeStore
```
Default implementation of the SessionAttributeStore interface, storing the attributes in the WebRequest session (i.e. HttpSession).
Since:
2.5
Author:
Juergen Hoeller
See Also:
setAttributeNamePrefix(java.lang.String), RequestAttributes.setAttribute(java.lang.String, java.lang.Object, int), RequestAttributes.getAttribute(java.lang.String, int), RequestAttributes.removeAttribute(java.lang.String, int)

Constructor Summary
Constructors
Constructor Description
DefaultSessionAttributeStore()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`cleanupAttribute(WebRequest request, String attributeName)`	Clean up the specified attribute in the backend session.
`protected String`	`getAttributeNameInSession(WebRequest request, String attributeName)`	Calculate the attribute name in the backend session.
`Object`	`retrieveAttribute(WebRequest request, String attributeName)`	Retrieve the specified attribute from the backend session.
`void`	`setAttributeNamePrefix(String attributeNamePrefix)`	Specify a prefix to use for the attribute names in the backend session.
`void`	`storeAttribute(WebRequest request, String attributeName, Object attributeValue)`	Store the supplied attribute in the backend session.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DefaultSessionAttributeStore
```
public DefaultSessionAttributeStore()
```
- Method Detail
  - setAttributeNamePrefix
```
public void setAttributeNamePrefix(@Nullable
                                   String attributeNamePrefix)
```
    Specify a prefix to use for the attribute names in the backend session.
    Default is to use no prefix, storing the session attributes with the same name as in the model.
  - storeAttribute
```
public void storeAttribute(WebRequest request,
                           String attributeName,
                           Object attributeValue)
```
    Description copied from interface: SessionAttributeStore
    Store the supplied attribute in the backend session.
    Can be called for new attributes as well as for existing attributes. In the latter case, this signals that the attribute value may have been modified.
    Specified by:
    storeAttribute in interface SessionAttributeStore
    Parameters:
    request - the current request
    attributeName - the name of the attribute
    attributeValue - the attribute value to store
  - retrieveAttribute
```
@Nullable
public Object retrieveAttribute(WebRequest request,
                                String attributeName)
```
    Description copied from interface: SessionAttributeStore
    Retrieve the specified attribute from the backend session.
    This will typically be called with the expectation that the attribute is already present, with an exception to be thrown if this method returns null.
    Specified by:
    retrieveAttribute in interface SessionAttributeStore
    Parameters:
    request - the current request
    attributeName - the name of the attribute
    Returns:
    the current attribute value, or null if none
  - cleanupAttribute
```
public void cleanupAttribute(WebRequest request,
                             String attributeName)
```
    Description copied from interface: SessionAttributeStore
    Clean up the specified attribute in the backend session.
    Indicates that the attribute name will not be used anymore.
    Specified by:
    cleanupAttribute in interface SessionAttributeStore
    Parameters:
    request - the current request
    attributeName - the name of the attribute
  - getAttributeNameInSession
```
protected String getAttributeNameInSession(WebRequest request,
                                           String attributeName)
```
    Calculate the attribute name in the backend session.
    The default implementation simply prepends the configured "attributeNamePrefix", if any.
    Parameters:
    request - the current request
    attributeName - the name of the attribute
    Returns:
    the attribute name in the backend session

Class DefaultSessionAttributeStore

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

DefaultSessionAttributeStore

Method Detail

setAttributeNamePrefix

storeAttribute

retrieveAttribute

cleanupAttribute

getAttributeNameInSession