Package org.jboss.weld.util.reflection

Class Reflections

  • public class Reflections
extends Object
    Utility class for static reflection-type operations
    Author:
    Pete Muir, Ales Justin, Marko Luksa

    • Field Detail

      • EMPTY_TYPES

        public static final Type[] EMPTY_TYPES

      • EMPTY_ANNOTATIONS

        public static final Annotation[] EMPTY_ANNOTATIONS

      • EMPTY_CLASSES

        public static final Class<?>[] EMPTY_CLASSES

    • Method Detail

      • isCacheable

        public static boolean isCacheable​(Annotation[] annotations)

      • cast

        public static <T> T cast​(Object obj)

      • getPropertyName

        public static String getPropertyName​(Method method)
        Gets the property name from a getter method.

        We extend JavaBean conventions, allowing the getter method to have parameters

        Parameters:
        method - The getter method
        Returns:
        The name of the property. Returns null if method wasn't JavaBean getter-styled

      • isFinal

        public static boolean isFinal​(Class<?> clazz)
        Checks if class is final
        Parameters:
        clazz - The class to check
        Returns:
        True if final, false otherwise

      • getNesting

        public static int getNesting​(Class<?> clazz)

      • isFinal

        public static boolean isFinal​(Member member)
        Checks if member is final
        Parameters:
        member - The member to check
        Returns:
        True if final, false otherwise

      • isPrivate

        public static boolean isPrivate​(Member member)
        Checks if member is private
        Parameters:
        member - The member to check
        Returns:
        True if final, false otherwise

      • isTypeOrAnyMethodFinal

        public static boolean isTypeOrAnyMethodFinal​(Class<?> type)
        Checks if type or member is final
        Parameters:
        type - Type or member
        Returns:
        True if final, false otherwise

      • getNonPrivateNonStaticFinalMethod

        public static Method getNonPrivateNonStaticFinalMethod​(Class<?> type)

      • isPackagePrivate

        public static boolean isPackagePrivate​(int mod)

      • isStatic

        public static boolean isStatic​(Class<?> type)
        Checks if type is static
        Parameters:
        type - Type to check
        Returns:
        True if static, false otherwise

      • isStatic

        public static boolean isStatic​(Member member)
        Checks if member is static
        Parameters:
        member - Member to check
        Returns:
        True if static, false otherwise

      • isTransient

        public static boolean isTransient​(Member member)

      • isAbstract

        public static boolean isAbstract​(Method method)
        Checks if a method is abstract
        Parameters:
        method - the method
        Returns:
        true if abstract

      • isAbstract

        public static boolean isAbstract​(Class<?> clazz)

      • getActualTypeArguments

        public static Type[] getActualTypeArguments​(Class<?> clazz)
        Gets the actual type arguments of a class
        Parameters:
        clazz - The class to examine
        Returns:
        The type arguments

      • getActualTypeArguments

        public static Type[] getActualTypeArguments​(Type type)
        Gets the actual type arguments of a Type
        Parameters:
        type - The type to examine
        Returns:
        The type arguments

      • isArrayType

        public static boolean isArrayType​(Class<?> rawType)
        Checks if raw type is array type
        Parameters:
        rawType - The raw type to check
        Returns:
        True if array, false otherwise

      • isParameterizedType

        public static boolean isParameterizedType​(Class<?> type)
        Checks if type is parameterized type
        Parameters:
        type - The type to check
        Returns:
        True if parameterized, false otherwise

      • isParameterizedTypeWithWildcard

        public static boolean isParameterizedTypeWithWildcard​(Class<?> type)

      • containsWildcards

        public static boolean containsWildcards​(Type[] types)

      • isBindings

        @Deprecated
public static boolean isBindings​(Annotation binding)
        Deprecated.
        Checks the bindingType to make sure the annotation was declared properly as a binding type (annotated with @BindingType) and that it has a runtime retention policy.
        Parameters:
        binding - The binding type to check
        Returns:
        true only if the annotation is really a binding type

      • isSerializable

        public static boolean isSerializable​(Class<?> clazz)

      • isPrimitive

        public static boolean isPrimitive​(Type type)

      • getRawType

        public static <T> Class<T> getRawType​(Type type)

      • isClassLoadable

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

      • loadClass

        public static <T> Class<T> loadClass​(String className,
                                     org.jboss.weld.resources.spi.ResourceLoader resourceLoader)
        Tries to load a class using the specified ResourceLoader. Returns null if the class is not found.
        Parameters:
        className -
        resourceLoader -
        Returns:
        the loaded class or null if the given class cannot be loaded

      • isUnboundedWildcard

        public static boolean isUnboundedWildcard​(Type type)

      • isUnboundedTypeVariable

        public static boolean isUnboundedTypeVariable​(Type type)

      • isStaticNestedClass

        public static boolean isStaticNestedClass​(Class<?> javaClass)
        Parameters:
        javaClass -
        Returns:
        true if the given class is a static nested class, false otherwise

      • isTopLevelOrStaticNestedClass

        public static boolean isTopLevelOrStaticNestedClass​(Class<?> javaClass)
        Parameters:
        javaClass -
        Returns:
        true if the given class is a top-level or static nested class, false otherwise

      • invokeAndUnwrap

        public static <T> T invokeAndUnwrap​(Object instance,
                                    Method method,
                                    Object... parameters)
                             throws Throwable
        Invokes the method on a given instance passing in given parameters. If the invocation yields InvocationTargetException, the exception is unwrapped. It is a responsibility of the caller to make sure that the method is accessible to the caller.
        Throws:
        Throwable

      • getInterfaceClosure

        public static Set<Class<?>> getInterfaceClosure​(Class<?> clazz)