Package org.apache.wicket.pageStore

Class DefaultPageContext

java.lang.Object

org.apache.wicket.pageStore.DefaultPageContext

All Implemented Interfaces:

IPageContext

public class DefaultPageContext
extends Object
implements IPageContext

Default page context using RequestCycle.getRequest() and Session.get().

Author:

Juergen Donnerstag, svenmeier

Constructor Summary

Constructors

Constructor	Description
DefaultPageContext()

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.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultPageContext

public DefaultPageContext()

Method Detail

getSessionId

public String getSessionId(boolean bind)

Description copied from interface: IPageContext

Get the identifier of the session.

Specified by:

getSessionId in interface IPageContext

Parameters:

bind - should the session be bound

Returns:

session id, might be null if not bound yet

See Also:

IPageContext.getSessionId(boolean)

getSessionAttribute

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

Description copied from interface: IPageContext

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.

Specified by:

getSessionAttribute in interface IPageContext

Parameters:

key - key

defaultValue - default value to use if not present

Returns:

value

See Also:

Session.getAttribute(String)

getSessionData

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

Description copied from interface: IPageContext

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.

Specified by:

getSessionData in interface IPageContext

Parameters:

key - key

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

Returns:

value

See Also:

Session.getMetaData(MetaDataKey)

getRequestData

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

Description copied from interface: IPageContext

Get data from the current request cycle.

Specified by:

getRequestData in interface IPageContext

Parameters:

key - key

defaultValue - default value to use if not present

See Also:

RequestCycle.getMetaData(MetaDataKey)