Class CdiUtils


  • public class CdiUtils
    extends Object
    • Constructor Detail

      • CdiUtils

        public CdiUtils()
    • Method Detail

      • getBeanCreateIfMissing

        public static <T> T getBeanCreateIfMissing​(Class<T> beanClass,
                                                   Annotation... qualifiers)
        Returns the JSF bean (request scoped, view scoped, session scoped, conversation scoped, or application scoped) of the given class. When the bean was not created yet, creates the bean.
        Type Parameters:
        T - Type of the bean to lookup.
        Parameters:
        beanClass - Class of the bean to lookup.
        qualifiers - Optional qualifiers for the bean.
        Returns:
        The bean instance of the given class.
      • getBeanName

        public static String getBeanName​(Class<?> beanClass,
                                         Annotation... qualifiers)
        Parameters:
        beanClass - Class of the bean to lookup.
        qualifiers - Optional qualifiers for the bean.
        Returns:
        The name of the JSF bean (request scoped, view scoped, session scoped, conversation scoped, or application scoped).
      • getBeanIfExists

        public static <T> Optional<T> getBeanIfExists​(Class<T> beanClass,
                                                      Annotation... qualifiers)
        Checks if an instance of the JSF bean (request scoped, view scoped, session scoped, conversation scoped, or application scoped) exists, and returns the bean if it does. When the bean was not created yet, returns null.
        Type Parameters:
        T - Type of the bean to lookup.
        Parameters:
        beanClass - Class of the bean to lookup.
        qualifiers - Optional qualifiers for the bean.
        Returns:
        The bean instance if the bean was created already, or empty otherwise.
      • getBeanNullIfMissing

        @Nullable
        public static <T> T getBeanNullIfMissing​(Class<T> beanClass,
                                                 Annotation... qualifiers)
        Checks if an instance of the JSF bean (request scoped, view scoped, session scoped, conversation scoped, or application scoped) exists, and returns the bean if it does. When the bean was not created yet, returns null.
        Type Parameters:
        T - Type of the bean to lookup.
        Parameters:
        beanClass - Class of the bean to lookup.
        qualifiers - Optional qualifiers for the bean.
        Returns:
        The bean instance if the bean was created already, or null otherwise.