Module jakarta.faces

Package com.sun.faces.facelets.el

Class VariableMapperWrapper

java.lang.Object

jakarta.el.VariableMapper

com.sun.faces.facelets.el.VariableMapperWrapper

public class VariableMapperWrapper
extends VariableMapper

Utility class for wrapping another VariableMapper with a new context, represented by a Map. Modifications occur to the Map instance, but resolve against the wrapped VariableMapper if the Map doesn't contain the ValueExpression requested.

Version:

$Id$

Constructor Summary

Constructors

Constructor	Description
VariableMapperWrapper(VariableMapper orig)

Method Summary

Modifier and Type	Method	Description
ValueExpression	resolveVariable(String variable)	First tries to resolve agains the inner Map, then the wrapped ValueExpression.
ValueExpression	setVariable(String variable, ValueExpression expression)	Set the ValueExpression on the inner Map instance.

Methods inherited from class java.lang.Object

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

Constructor Details

VariableMapperWrapper

public VariableMapperWrapper(VariableMapper orig)

Parameters:

orig - the original variable mapper to be wrapped

Method Details

resolveVariable

public ValueExpression resolveVariable(String variable)

First tries to resolve agains the inner Map, then the wrapped ValueExpression.

Specified by:

resolveVariable in class VariableMapper

Parameters:

variable - The variable name

Returns:

the ValueExpression assigned to the variable, null if there is no previous assignment to this variable.

See Also:

• VariableMapper.resolveVariable(java.lang.String)

setVariable

public ValueExpression setVariable(String variable,
 ValueExpression expression)

Set the ValueExpression on the inner Map instance.

Specified by:

setVariable in class VariableMapper

Parameters:

variable - The variable name

expression - The ValueExpression to be assigned to the variable.

Returns:

The previous ValueExpression assigned to this variable, null if there is no previous assignment to this variable.

See Also:

• VariableMapper.setVariable(java.lang.String, jakarta.el.ValueExpression)