Package org.jboss.weld.environment.util

Class Reflections

java.lang.Object

org.jboss.weld.environment.util.Reflections

public final class Reflections
extends Object

Reflection utilities.

Author:

Pete Muir, Martin Kouba

Field Summary

Fields

Modifier and Type	Field	Description
static final List<Class<? extends Annotation>>	META_ANNOTATIONS

Method Summary

Modifier and Type	Method	Description
static <T> T	cast(Object obj)
static <T> Class<T>	classForName(org.jboss.weld.resources.spi.ResourceLoader resourceLoader, String className)	First try to load a class using the specified ResourceLoader.
static boolean	containsAnnotation(Class<?> javaClass, Class<? extends Annotation> requiredAnnotation)
static boolean	containsAnnotations(Annotation[] annotations, Class<? extends Annotation> requiredAnnotation)
static boolean	hasBeanDefiningAnnotation(Class<?> clazz, Set<Class<? extends Annotation>> initialBeanDefiningAnnotations)
static boolean	hasBeanDefiningMetaAnnotationSpecified(Annotation[] annotations, Class<? extends Annotation> metaAnnotationType)
static boolean	isClassLoadable(org.jboss.weld.resources.spi.ResourceLoader resourceLoader, String className)
static <T> Class<T>	loadClass(org.jboss.weld.resources.spi.ResourceLoader resourceLoader, String className)

Methods inherited from class java.lang.Object

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

Field Details

META_ANNOTATIONS

public static final List<Class<? extends Annotation>> META_ANNOTATIONS

Method Details

containsAnnotation

public static boolean containsAnnotation(Class<?> javaClass,
 Class<? extends Annotation> requiredAnnotation)

cast

public static <T> T cast(Object obj)

isClassLoadable

public static boolean isClassLoadable(org.jboss.weld.resources.spi.ResourceLoader resourceLoader,
 String className)

Parameters:

resourceLoader -

className -

Returns:

true if a class with the given name can be loaded, false otherwise

See Also:

• loadClass(ResourceLoader, String)

loadClass

public static <T> Class<T> loadClass(org.jboss.weld.resources.spi.ResourceLoader resourceLoader,
 String className)

Parameters:

resourceLoader -

className -

Returns:

the loaded class or null if the given class cannot be loaded

See Also:

• classForName(ResourceLoader, String)

classForName

public static <T> Class<T> classForName(org.jboss.weld.resources.spi.ResourceLoader resourceLoader,
 String className)

First try to load a class using the specified ResourceLoader. If not successful, try Class.forName(String) as a fallback.

Parameters:

resourceLoader -

className -

Returns:

the loaded class

hasBeanDefiningMetaAnnotationSpecified

public static boolean hasBeanDefiningMetaAnnotationSpecified(Annotation[] annotations,
 Class<? extends Annotation> metaAnnotationType)

Parameters:

annotations -

metaAnnotationType -

Returns:

true if any of the annotations specified has the given meta annotation type specified, false otherwise

containsAnnotations

public static boolean containsAnnotations(Annotation[] annotations,
 Class<? extends Annotation> requiredAnnotation)

hasBeanDefiningAnnotation

public static boolean hasBeanDefiningAnnotation(Class<?> clazz,
 Set<Class<? extends Annotation>> initialBeanDefiningAnnotations)