javax.faces.el
Class VariableResolver

java.lang.Object
  |
  +--javax.faces.el.VariableResolver

public abstract class VariableResolver

extends java.lang.Object

VariableResolver represents a pluggable mechanism for resolving a top-level variable reference at evaluation time.

Constructor Summary

VariableResolver()

Method Summary

abstract java.lang.Object

resolveVariable(javax.faces.context.FacesContext context, java.lang.String name) Resolve the specified variable name, and return the corresponding object, if any; otherwise, return null.

Methods inherited from class java.lang.Object

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

Constructor Detail

VariableResolver

public VariableResolver()

Method Detail

resolveVariable

public abstract java.lang.Object resolveVariable(javax.faces.context.FacesContext context,
                                                 java.lang.String name)
                                          throws EvaluationException

Resolve the specified variable name, and return the corresponding object, if any; otherwise, return null.

Parameters:

context - FacesContext against which to resolve this variable name

name - Name of the variable to be resolved

Throws:

EvaluationException - if an exception is thrown while resolving the variable name (the thrown exception must be included as the cause property of this exception)

java.lang.NullPointerException - if context or name is null