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

java.lang.Object
  java.util.AbstractMap<String,Object>
      org.mmbase.bridge.jsp.taglib.util.PageContextBacking

All Implemented Interfaces:

Map<String,Object>, Backing

public class PageContextBacking
extends AbstractMap<String,Object>
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 39535 2009-11-04 14:54:47Z michiel $

Author:

Michiel Meeuwissen

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

PageContextBacking(PageContext pc)

Method Summary

boolean	containsKey(Object key)
boolean	containsOwnKey(String 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<Map.Entry<String,Object>>	entrySet()
Object	get(Object key)
Object	getOriginal(String key) Get the original value as stored in this Map, so without every wrapping which may have been done.
Map<String,Object>	getOriginalMap()
PageContext	getPageContext()
boolean	isELIgnored()
void	pullPageContext(PageContext pc)
void	pushPageContext(PageContext pc) When the container gets used in a different page-context (e.g.
Object	put(String key, Object value)
(package private) void	release()
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)

getPageContext

public PageContext getPageContext()

Specified by:

getPageContext in interface Backing

setJspVar

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

Specified by:

setJspVar in interface Backing

entrySet

public Set<Map.Entry<String,Object>> entrySet()

Specified by:

entrySet in interface Map<String,Object>

Specified by:

entrySet in class AbstractMap<String,Object>

put

public Object put(String key,
                  Object value)

Specified by:

put in interface Map<String,Object>

Overrides:

put in class AbstractMap<String,Object>

get

public Object get(Object key)

Specified by:

get in interface Map<String,Object>

Overrides:

get in class AbstractMap<String,Object>

getOriginal

public Object getOriginal(String 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<String,Object>

Overrides:

containsKey in class AbstractMap<String,Object>

containsOwnKey

public boolean containsOwnKey(String 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

getOriginalMap

public Map<String,Object> getOriginalMap()

Specified by:

getOriginalMap in interface Backing

release

void release()

isELIgnored

public boolean isELIgnored()

Specified by:

isELIgnored in interface Backing

toString

public String toString()

Overrides:

toString in class AbstractMap<String,Object>