de.mindmatters.faces.spring.factory
Class DelegatingVariableResolver

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

All Implemented Interfaces:

BeanFactoryAware

public final class DelegatingVariableResolver
extends VariableResolver
implements BeanFactoryAware

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

Author:

Andreas Kuhrwahl

See Also:

ManagedBeanFactory

Constructor Summary

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

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

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 WebApplicationContext and returns it.
void	setBeanFactory(BeanFactory beanFactory) Callback that supplies the owning factory to a bean instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

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.

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 WebApplicationContext and returns it. Otherwise delegates to the encapsulated original VariableResolver.

Specified by:

resolveVariable in class 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)

setBeanFactory

public void setBeanFactory(BeanFactory beanFactory)

Callback that supplies the owning factory to a bean instance.

Invoked after the population of normal bean properties but before an initialization callback such as InitializingBean.afterPropertiesSet() or a custom init-method.

Specified by:

setBeanFactory in interface BeanFactoryAware

Parameters:

beanFactory - owning BeanFactory (may not be null). The bean can immediately call methods on the factory.

See Also:

BeanInitializationException