Module jakarta.ws.rs
Package jakarta.ws.rs.sse

Class FactoryFinder

  • final class FactoryFinder
extends java.lang.Object
    Factory finder utility class.
    Since:
    2.1

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private static java.util.logging.Logger LOGGER  

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private FactoryFinder()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      (package private) static <T> java.lang.Object find​(java.lang.String factoryId, java.lang.Class<T> service)
      Finds the implementation Class for the given factory name and create its instance.
      private static <T> T findFirstService​(java.lang.String factoryId, java.lang.ClassLoader cl, java.lang.Class<T> service)  
      private static java.lang.ClassLoader getClassLoader()  
      private static java.lang.ClassLoader getContextClassLoader()  
      private static java.lang.Object newInstance​(java.lang.String className, java.lang.ClassLoader classLoader)
      Creates an instance of the specified class using the specified ClassLoader object.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • LOGGER

        private static final java.util.logging.Logger LOGGER

    • Constructor Detail

      • FactoryFinder

        private FactoryFinder()

    • Method Detail

      • getContextClassLoader

        private static java.lang.ClassLoader getContextClassLoader()

      • newInstance

        private static java.lang.Object newInstance​(java.lang.String className,
                                            java.lang.ClassLoader classLoader)
                                     throws java.lang.ClassNotFoundException
        Creates an instance of the specified class using the specified ClassLoader object.
        Parameters:
        className - name of the class to be instantiated.
        classLoader - class loader to be used.
        Returns:
        instance of the specified class.
        Throws:
        java.lang.ClassNotFoundException - if the given class could not be found or could not be instantiated.

      • find

        static <T> java.lang.Object find​(java.lang.String factoryId,
                                 java.lang.Class<T> service)
                          throws java.lang.ClassNotFoundException
        Finds the implementation Class for the given factory name and create its instance.

        This method is package private so that this code can be shared.

        Type Parameters:
        T - type of the service to be found.
        Parameters:
        factoryId - the name of the factory to find, which is a system property.
        service - service to be found.
        Returns:
        the instance of the specified service; may not be null.
        Throws:
        java.lang.ClassNotFoundException - if the given class could not be found or could not be instantiated.

      • getClassLoader

        private static java.lang.ClassLoader getClassLoader()

      • findFirstService

        private static <T> T findFirstService​(java.lang.String factoryId,
                                      java.lang.ClassLoader cl,
                                      java.lang.Class<T> service)