org.mmbase.bridge.jsp.taglib.util
Class PageContextBacking

java.lang.Object
  java.util.AbstractMap
      org.mmbase.bridge.jsp.taglib.util.PageContextBacking

All Implemented Interfaces:

Backing, Map

public class PageContextBacking

extends AbstractMap

implements Backing

A basic implementation for the backing, using the PageContext itself. It can also store nulls, in contradiction to PageContext.

Since:

MMBase-1.8

Version:

$Id: PageContextBacking.java,v 1.11 2006/07/08 13:03:12 michiel Exp $

Author:

Michiel Meeuwissen

Nested Class Summary

Nested classes inherited from class java.util.Map

Map.Entry

Constructor Summary

PageContextBacking(PageContext pc)

Method Summary

boolean	containsKey(Object key)
boolean	containsOwnKey(Object key) Whether this map contains the given key, but by its own, so not because of possible reflection of another structure (like the page context).
Set	entrySet()
Object	get(Object key)
Object	getOriginal(Object key) Get the original value as stored in this Map, so without every wrapping which may have been done.
void	pullPageContext(PageContext pc)
void	pushPageContext(PageContext pc) When the container gets used in a different page-context (e.g.
Object	put(Object key, Object value)
void	setJspVar(PageContext pc, String jspvar, int vartype, Object value)
String	toString()

Methods inherited from class java.util.AbstractMap

clear, clone, containsValue, equals, hashCode, isEmpty, keySet, putAll, remove, size, values

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

clear, containsValue, equals, hashCode, isEmpty, keySet, putAll, remove, size, values

Constructor Detail

PageContextBacking

public PageContextBacking(PageContext pc)

Method Detail

pushPageContext

public void pushPageContext(PageContext pc)

Description copied from interface: Backing

When the container gets used in a different page-context (e.g. because it was stored in the request or in the session), the new one must be pushed. And pulled again when ready.

Specified by:

pushPageContext in interface Backing

pullPageContext

public void pullPageContext(PageContext pc)

Specified by:

pullPageContext in interface Backing

See Also:

Backing.pushPageContext(PageContext)

setJspVar

public void setJspVar(PageContext pc,
                      String jspvar,
                      int vartype,
                      Object value)

Specified by:

setJspVar in interface Backing

entrySet

public Set entrySet()

Specified by:

entrySet in interface Map

put

public Object put(Object key,
                  Object value)

Specified by:

put in interface Map

get

public Object get(Object key)

Specified by:

get in interface Map

getOriginal

public Object getOriginal(Object key)

Description copied from interface: Backing

Get the original value as stored in this Map, so without every wrapping which may have been done.

Specified by:

getOriginal in interface Backing

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map

containsOwnKey

public boolean containsOwnKey(Object key)

Description copied from interface: Backing

Whether this map contains the given key, but by its own, so not because of possible reflection of another structure (like the page context).

Specified by:

containsOwnKey in interface Backing

toString

public String toString()