Class Injections

java.lang.Object
org.glassfish.jersey.internal.inject.Injections
public class Injections extends Object
Injection binding utility methods.

  • Constructor Details

    • Injections

      public Injections()

  • Method Details

    • createInjectionManager

      public static InjectionManager createInjectionManager()
      Creates a InjectionManager without parent and initial binder.
      Returns:
      a injection manager with all the bindings.

    • createInjectionManager

      public static InjectionManager createInjectionManager(Binder binder)
      Creates a InjectionManager with initial binder that is immediately registered.
      Parameters:
      binder - custom the binder.
      Returns:
      a injection manager with all the bindings.

    • createInjectionManager

      public static InjectionManager createInjectionManager(Object parent)
      Creates an unnamed, parented InjectionManager. In case the parent injection manager is not specified, the locator will not be parented.
      Parameters:
      parent - The parent of this injection manager. Services can be found in the parent (and all grand-parents). May be null. An underlying DI provider checks whether the parent is in a proper type.
      Returns:
      an injection manager with all the bindings.

    • lookupInjectionManagerFactory

      private static InjectionManagerFactory lookupInjectionManagerFactory()

    • lookupService

      private static <T> Optional<T> lookupService(Class<T> clazz)
      Look for a service of given type. If more then one service is found the method sorts them are returns the one with highest priority.
      Type Parameters:
      T - type of service to look for.
      Parameters:
      clazz - type of service to look for.
      Returns:
      instance of service with highest priority or null if service of given type cannot be found.
      See Also:

    • getOrCreate

      public static <T> T getOrCreate(InjectionManager injectionManager, Class<T> clazz)
      Get the class by contract or create and inject a new instance.
      Type Parameters:
      T - instance type.
      Parameters:
      injectionManager - DI injection manager.
      clazz - class of the instance to be provider.
      Returns:
      instance of the class either provided as a service or created and injected by HK2.