Package org.apache.wicket.pageStore

Interface IPageContext

All Known Implementing Classes:

DefaultPageContext, MockPageContext

public interface IPageContext

Context of a IManageablePage when it is stored in an IPageStore, decoupling it from request cycle and session.

Author:

Matej Knopp, svenmeier

Method Summary

Modifier and Type	Method	Description
<T> T	getRequestData(MetaDataKey<T> key, Supplier<T> defaultValue)	Get data from the current request cycle.
<T extends Serializable> T	getSessionAttribute(String key, Supplier<T> defaultValue)	Get an attribute from the session.
<T extends Serializable> T	getSessionData(MetaDataKey<T> key, Supplier<T> defaultValue)	Get metadata from the session.
String	getSessionId(boolean bind)	Get the identifier of the session.

Method Detail

getRequestData

<T> T getRequestData(MetaDataKey<T> key,
                     Supplier<T> defaultValue)

Get data from the current request cycle.

Parameters:

key - key

defaultValue - default value to use if not present

See Also:

RequestCycle.getMetaData(MetaDataKey)

getSessionAttribute

<T extends Serializable> T getSessionAttribute(String key,
                                               Supplier<T> defaultValue)

Get an attribute from the session.
Binds the session if not already set and supplier is not null. Sets the session attribute if supplier is not null.

Parameters:

key - key

defaultValue - default value to use if not present

Returns:

value

See Also:

Session.getAttribute(String)

getSessionData

<T extends Serializable> T getSessionData(MetaDataKey<T> key,
                                          Supplier<T> defaultValue)

Get metadata from the session.
Binds the session if not already set and supplier is not null. Sets the session attribute if supplier is not null.

Parameters:

key - key

defaultValue - optional supplier of a default value to use if not present

Returns:

value

See Also:

Session.getMetaData(MetaDataKey)

getSessionId

String getSessionId(boolean bind)

Get the identifier of the session.

Parameters:

bind - should the session be bound

Returns:

session id, might be null if not bound yet