org.apache.wicket
Class PageMap

java.lang.Object
  org.apache.wicket.PageMap

All Implemented Interfaces:

java.io.Serializable, IClusterable, IPageMap

Direct Known Subclasses:

AccessStackPageMap

public abstract class PageMap
extends java.lang.Object
implements IClusterable, IPageMap

Author:

Jonathan Locke, jcompagner

See Also:

Serialized Form

Field Summary

static java.lang.String

DEFAULT_NAME Name of default pagemap

Constructor Summary

PageMap(java.lang.String name)
Constructor

Method Summary

java.lang.String	attributeForId(int id)
void	clear() Removes all pages from this map
boolean	continueToOriginalDestination() Redirects to any intercept page previously specified by a call to redirectToInterceptPage.
protected void	dirty()
static IPageMap	forName(java.lang.String pageMapName) Gets a page map for a page map name, automatically creating the page map if it does not exist.
abstract Page	get(int id, int versionNumber) Retrieves page with given id.
IPageMapEntry	getEntry(int id) Retrieves entry with given id.
java.io.Serializable	getMetaData(MetaDataKey key) Gets metadata for this PageMap using the given key.
java.lang.String	getName()
Session	getSession()
long	getSizeInBytes()
boolean	isDefault()
int	nextId()
abstract void	put(Page page)
void	redirectToInterceptPage(java.lang.Class pageClazz) Redirects browser to an intermediate page such as a sign-in page.
void	redirectToInterceptPage(Page page) Redirects browser to an intermediate page such as a sign-in page.
void	remove() Removes this PageMap from the Session.
void	remove(Page page) Removes the page from the pagemap
abstract void	removeEntry(IPageMapEntry entry)
void	setMetaData(MetaDataKey key, java.io.Serializable object) Sets the metadata for this PageMap using the given key.
java.lang.String	toString()
protected void	visitEntries(org.apache.wicket.PageMap.IVisitor visitor)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.wicket.IPageMap

containsPage

Field Detail

DEFAULT_NAME

public static final java.lang.String DEFAULT_NAME

Name of default pagemap

Constructor Detail

PageMap

public PageMap(java.lang.String name)

Constructor

Parameters:

name - The name of this page map

Method Detail

forName

public static IPageMap forName(java.lang.String pageMapName)

Gets a page map for a page map name, automatically creating the page map if it does not exist. If you do not want the pagemap to be automatically created, you can call Session.pageMapForName(pageMapName, false).

Parameters:

pageMapName - The name of the page map to get

Returns:

The PageMap with the given name from the current session

attributeForId

public final java.lang.String attributeForId(int id)

Specified by:

attributeForId in interface IPageMap

Parameters:

id - The page id to create an attribute for

Returns:

The session attribute for the given page (for replication of state)

See Also:

IPageMap.attributeForId(int)

clear

public void clear()

Description copied from interface: IPageMap

Removes all pages from this map

Specified by:

clear in interface IPageMap

See Also:

IPageMap.clear()

continueToOriginalDestination

public final boolean continueToOriginalDestination()

Redirects to any intercept page previously specified by a call to redirectToInterceptPage.

Specified by:

continueToOriginalDestination in interface IPageMap

Returns:

True if an original destination was redirected to

See Also:

redirectToInterceptPage(Page)

get

public abstract Page get(int id,
                         int versionNumber)

Description copied from interface: IPageMap

Retrieves page with given id.

Specified by:

get in interface IPageMap

Parameters:

id - The page identifier

versionNumber - The version to get

Returns:

Any page having the given id

See Also:

IPageMap.get(int, int)

getEntry

public final IPageMapEntry getEntry(int id)

Description copied from interface: IPageMap

Retrieves entry with given id.

Specified by:

getEntry in interface IPageMap

Parameters:

id - The page identifier

Returns:

Any entry having the given id

See Also:

IPageMap.getEntry(int)

getName

public final java.lang.String getName()

Specified by:

getName in interface IPageMap

Returns:

Returns the name.

See Also:

IPageMap.getName()

getSession

public final Session getSession()

Returns:

Session this page map is in

getSizeInBytes

public final long getSizeInBytes()

Specified by:

getSizeInBytes in interface IPageMap

Returns:

Size of this page map in bytes, including a sum of the sizes of all the pages it contains.

See Also:

IPageMap.getSizeInBytes()

isDefault

public final boolean isDefault()

Specified by:

isDefault in interface IPageMap

Returns:

True if this is the default page map

See Also:

IPageMap.isDefault()

nextId

public final int nextId()

Specified by:

nextId in interface IPageMap

Returns:

The next id for this pagemap

See Also:

IPageMap.nextId()

put

public abstract void put(Page page)

Specified by:

put in interface IPageMap

Parameters:

page - The page to put into this map

See Also:

IPageMap.put(org.apache.wicket.Page)

redirectToInterceptPage

public final void redirectToInterceptPage(java.lang.Class pageClazz)

Redirects browser to an intermediate page such as a sign-in page. The current request's URL is saved exactly as it was requested for future use by continueToOriginalDestination(); Only use this method when you plan to continue to the current URL at some later time; otherwise just use setResponsePage or, when you are in a constructor, redirectTo.

Specified by:

redirectToInterceptPage in interface IPageMap

Parameters:

pageClazz - The page clazz to temporarily redirect to

redirectToInterceptPage

public final void redirectToInterceptPage(Page page)

Redirects browser to an intermediate page such as a sign-in page. The current request's URL is saved exactly as it was requested for future use by continueToOriginalDestination(); Only use this method when you plan to continue to the current URL at some later time; otherwise just use setResponsePage or, when you are in a constructor, redirectTo.

Specified by:

redirectToInterceptPage in interface IPageMap

Parameters:

page - The page to temporarily redirect to

See Also:

Component.continueToOriginalDestination()

remove

public final void remove()

Description copied from interface: IPageMap

Removes this PageMap from the Session.

Specified by:

remove in interface IPageMap

See Also:

IPageMap.remove()

remove

public final void remove(Page page)

Description copied from interface: IPageMap

Removes the page from the pagemap

Specified by:

remove in interface IPageMap

Parameters:

page - page to be removed from the pagemap

See Also:

IPageMap.remove(org.apache.wicket.Page)

removeEntry

public abstract void removeEntry(IPageMapEntry entry)

Specified by:

removeEntry in interface IPageMap

Parameters:

entry - The entry to remove

See Also:

IPageMap.removeEntry(org.apache.wicket.session.pagemap.IPageMapEntry)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

dirty

protected final void dirty()

visitEntries

protected final void visitEntries(org.apache.wicket.PageMap.IVisitor visitor)

Parameters:

visitor - The visitor to call at each Page in this PageMap.

setMetaData

public final void setMetaData(MetaDataKey key,
                              java.io.Serializable object)

Sets the metadata for this PageMap using the given key. If the metadata object is not of the correct type for the metadata key, an IllegalArgumentException will be thrown. For information on creating MetaDataKeys, see MetaDataKey.

Parameters:

key - The singleton key for the metadata

object - The metadata object

Throws:

java.lang.IllegalArgumentException

See Also:

MetaDataKey

getMetaData

public final java.io.Serializable getMetaData(MetaDataKey key)

Gets metadata for this PageMap using the given key.

Parameters:

key - The key for the data

Returns:

The metadata or null of no metadata was found for the given key

See Also:

MetaDataKey