Module jakarta.faces

Package com.sun.faces.cdi

Class CdiUtils

java.lang.Object

com.sun.faces.cdi.CdiUtils

public final class CdiUtils
extends Object

A static utility class for CDI.

Method Summary

Modifier and Type	Method	Description
static void	addAnnotatedTypes(BeforeBeanDiscovery beforeBean, BeanManager beanManager, Class<?>... types)
static Behavior	createBehavior(BeanManager beanManager, String value)	Create a behavior using the FacesBehavior value attribute.
static Converter<?>	createConverter(BeanManager beanManager, Class<?> forClass)	Create a converter using the FacesConverter forClass attribute.
static Converter<?>	createConverter(BeanManager beanManager, String value)	Create a converter using the FacesConverter value attribute.
static DataModel<?>	createDataModel(Class<?> forClass)
static Validator<?>	createValidator(BeanManager beanManager, String value)	Create a validator using the FacesValidator value attribute.
static <A extends Annotation> Optional<A>	getAnnotation(BeanManager beanManager, Annotated annotated, Class<A> annotationType)	Finds an annotation in an Annotated, taking stereo types into account
static <T> T	getBeanInstance(Class<T> type, boolean create)	Returns concrete (non-proxied) bean instance of given class in current context.
static <T> T	getBeanReference(BeanManager beanManager, Class<T> type, Annotation... qualifiers)
static <T> T	getBeanReference(FacesContext facesContext, Class<T> type, Annotation... qualifiers)
static <T> T	getBeanReference(Class<T> type, Annotation... qualifiers)
static Object	getBeanReferenceByType(BeanManager beanManager, Type type, Annotation... qualifiers)
static InjectionPoint	getCurrentInjectionPoint(BeanManager beanManager, CreationalContext<?> creationalContext)	Returns the current injection point.
static Map<Class<?>,Class<? extends DataModel<?>>>	getDataModelClassesMap(CDI<Object> cdi)
static <A extends Annotation> A	getQualifier(InjectionPoint injectionPoint, Class<A> qualifierClass)	Returns the qualifier annotation of the given qualifier class from the given injection point.
static <S extends Annotation> boolean	isScopeActive(Class<S> scope)	Returns true if given scope is active in current context.

Methods inherited from class java.lang.Object

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

Method Details

createConverter

public static Converter<?> createConverter(BeanManager beanManager,
 String value)

Create a converter using the FacesConverter value attribute.

Parameters:

beanManager - the bean manager.

value - the value attribute.

Returns:

the converter, or null if we could not match one.

createConverter

public static Converter<?> createConverter(BeanManager beanManager,
 Class<?> forClass)

Create a converter using the FacesConverter forClass attribute.

Parameters:

beanManager - the bean manager.

forClass - the for class.

Returns:

the converter, or null if we could not match one.

createBehavior

public static Behavior createBehavior(BeanManager beanManager,
 String value)

Create a behavior using the FacesBehavior value attribute.

Parameters:

beanManager - the bean manager.

value - the value attribute.

Returns:

the behavior, or null if we could not match one.

createValidator

public static Validator<?> createValidator(BeanManager beanManager,
 String value)

Create a validator using the FacesValidator value attribute.

Parameters:

beanManager - the bean manager.

value - the value attribute.

Returns:

the validator, or null if we could not match one.

addAnnotatedTypes

public static void addAnnotatedTypes(BeforeBeanDiscovery beforeBean,
 BeanManager beanManager,
 Class<?>... types)

getBeanReference

public static <T> T getBeanReference(Class<T> type,
 Annotation... qualifiers)

getBeanReference

public static <T> T getBeanReference(FacesContext facesContext,
 Class<T> type,
 Annotation... qualifiers)

getBeanReference

public static <T> T getBeanReference(BeanManager beanManager,
 Class<T> type,
 Annotation... qualifiers)

Type Parameters:

T - the generic bean type

Parameters:

beanManager - the bean manager

type - the required bean type the reference must have

qualifiers - the required qualifiers the reference must have

Returns:

a bean reference adhering to the required type and qualifiers

getBeanReferenceByType

public static Object getBeanReferenceByType(BeanManager beanManager,
 Type type,
 Annotation... qualifiers)

getBeanInstance

public static <T> T getBeanInstance(Class<T> type,
 boolean create)

Returns concrete (non-proxied) bean instance of given class in current context.

Type Parameters:

T - the generic bean type

Parameters:

type - the required bean type the instance must have

create - whether to auto-create bean if not exist

Returns:

a bean instance adhering to the required type

getAnnotation

public static <A extends Annotation> Optional<A> getAnnotation(BeanManager beanManager,
 Annotated annotated,
 Class<A> annotationType)

Finds an annotation in an Annotated, taking stereo types into account

Type Parameters:

A - the generic annotation type

Parameters:

beanManager - the current bean manager

annotated - the Annotated in which to search

annotationType - the type of the annotation to search for

Returns:

An Optional that contains an instance of annotation type for which was searched if the annotated contained this.

createDataModel

public static DataModel<?> createDataModel(Class<?> forClass)

getDataModelClassesMap

public static Map<Class<?>,Class<? extends DataModel<?>>> getDataModelClassesMap(CDI<Object> cdi)

getCurrentInjectionPoint

public static InjectionPoint getCurrentInjectionPoint(BeanManager beanManager,
 CreationalContext<?> creationalContext)

Returns the current injection point.

Parameters:

beanManager - the involved bean manager

creationalContext - the involved creational context

Returns:

the current injection point

getQualifier

public static <A extends Annotation> A getQualifier(InjectionPoint injectionPoint,
 Class<A> qualifierClass)

Returns the qualifier annotation of the given qualifier class from the given injection point.

Type Parameters:

A - the type of given qualifier class

Parameters:

injectionPoint - the injection point

qualifierClass - the qualifier class to be filtered

Returns:

the qualifier annotation

isScopeActive

public static <S extends Annotation> boolean isScopeActive(Class<S> scope)

Returns true if given scope is active in current context.

Type Parameters:

S - the type of given scope

Parameters:

scope - the scope to be checked

Returns:

whether given scope is active