de.mindmatters.faces.spring.context.support
Class DelegatingVariableResolver

java.lang.Object
  javax.faces.el.VariableResolver
      de.mindmatters.faces.spring.context.support.DelegatingVariableResolver

All Implemented Interfaces:

BeanFactoryAware

public final class DelegatingVariableResolver

extends VariableResolver

implements BeanFactoryAware

VariableResolver implementation that delegates to the internal BeanFactory of the used FacesWebApplicationContext and original resolver of the underlying JSF implementation to resolve the asked beans or variables.

Author:

Andreas Kuhrwahl

See Also:

SpringManagedBeanFactory, FacesDelegatingManagedBeanFactory

Constructor Summary

DelegatingVariableResolver()
Creates a DelegatingVariableResolver.

DelegatingVariableResolver(VariableResolver originalVariableResolver)
Creates a DelegatingVariableResolver with the given VariableResolver originalVariableResolver.

DelegatingVariableResolver(VariableResolver originalVariableResolver, BeanFactory beanFactory)
Creates a DelegatingVariableResolver with the given VariableResolver originalVariableResolver and the given BeanFactory beanFactory.

Method Summary

java.lang.Object	resolveVariable(FacesContext context, java.lang.String name) Checks wether there is a bean with name name in the internal BeanFactory of the used FacesWebApplicationContext and returns it.
void	setBeanFactory(BeanFactory beanFactory)
void	setOriginalVariableResolver(VariableResolver originalVariableResolver) Sets the original resolver of the underlying JSF implementation.

Methods inherited from class java.lang.Object

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

Constructor Detail

DelegatingVariableResolver

public DelegatingVariableResolver()

Creates a DelegatingVariableResolver.

DelegatingVariableResolver

public DelegatingVariableResolver(VariableResolver originalVariableResolver)

Creates a DelegatingVariableResolver with the given VariableResolver originalVariableResolver.

Parameters:

originalVariableResolver - the original resolver of the underlying JSF implementation

DelegatingVariableResolver

public DelegatingVariableResolver(VariableResolver originalVariableResolver,
                                  BeanFactory beanFactory)

Creates a DelegatingVariableResolver with the given VariableResolver originalVariableResolver and the given BeanFactory beanFactory.

Parameters:

originalVariableResolver - the original resolver of the underlying JSF implementation

beanFactory - the BeanFactory this VariableResolver uses for bean resolving

Method Detail

resolveVariable

public java.lang.Object resolveVariable(FacesContext context,
                                        java.lang.String name)

Checks wether there is a bean with name name in the internal BeanFactory of the used FacesWebApplicationContext and returns it. Otherwise delegates to the encapsulated original VariableResolver.

Parameters:

context - context against which to resolve the bean name

name - name of the bean to be resolved

Returns:

the resolved object

Throws:

EvaluationException - if an exception is thrown while resolving the variable name

See Also:

VariableResolver.resolveVariable(javax.faces.context.FacesContext, java.lang.String), FacesWebApplicationContext

setBeanFactory

public void setBeanFactory(BeanFactory beanFactory)

Specified by:

setBeanFactory in interface BeanFactoryAware

setOriginalVariableResolver

public void setOriginalVariableResolver(VariableResolver originalVariableResolver)

Sets the original resolver of the underlying JSF implementation.

Parameters:

originalVariableResolver - the original resolver of the underlying JSF implementation