Module jakarta.activation

Package jakarta.activation

Class FactoryFinder

java.lang.Object

jakarta.activation.FactoryFinder

class FactoryFinder
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
private static ServiceLoaderUtil.ExceptionHandler<java.lang.RuntimeException>	EXCEPTION_HANDLER
private static java.util.logging.Logger	logger

Constructor Summary

Constructors

Constructor	Description
FactoryFinder()

Method Summary

Modifier and Type	Method	Description
(package private) static <T> T	find(java.lang.Class<T> factoryClass)	Finds the implementation Class object for the given factory type.
(package private) static <T> T	find(java.lang.Class<T> factoryClass, java.lang.ClassLoader loader)
private static java.lang.String	fromSystemProperty(java.lang.String factoryId)
private static java.lang.ClassLoader[]	getClassLoaders(java.lang.Class<?>... classes)
private static java.lang.Class<?>[]	getHk2ServiceLoaderTargets(java.lang.Class<?> factoryClass)
private static java.lang.String	getSystemProperty(java.lang.String property)
private static void	logFound(java.lang.String value)
private static <T> T	lookupUsingHk2ServiceLoader(java.lang.Class<T> factoryClass, java.lang.ClassLoader loader)
private static <T> T	newInstance(java.lang.String className, java.lang.Class<? extends T> service, java.lang.ClassLoader loader)

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

EXCEPTION_HANDLER

private static final ServiceLoaderUtil.ExceptionHandler<java.lang.RuntimeException> EXCEPTION_HANDLER

Constructor Detail

FactoryFinder

FactoryFinder()

Method Detail

find

static <T> T find(java.lang.Class<T> factoryClass)
           throws java.lang.RuntimeException

Finds the implementation Class object for the given factory type.

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

Parameters:

factoryClass - factory abstract class or interface to be found

Returns:

the Class object of the specified message factory; may not be null

Throws:

java.lang.IllegalStateException - if there is no factory found

java.lang.RuntimeException

find

static <T> T find(java.lang.Class<T> factoryClass,
                  java.lang.ClassLoader loader)
           throws java.lang.RuntimeException

Throws:

java.lang.RuntimeException

newInstance

private static <T> T newInstance(java.lang.String className,
                                 java.lang.Class<? extends T> service,
                                 java.lang.ClassLoader loader)
                          throws java.lang.RuntimeException

Throws:

java.lang.RuntimeException

fromSystemProperty

private static java.lang.String fromSystemProperty(java.lang.String factoryId)

getSystemProperty

private static java.lang.String getSystemProperty(java.lang.String property)

logFound

private static void logFound(java.lang.String value)

getHk2ServiceLoaderTargets

private static java.lang.Class<?>[] getHk2ServiceLoaderTargets(java.lang.Class<?> factoryClass)

lookupUsingHk2ServiceLoader

private static <T> T lookupUsingHk2ServiceLoader(java.lang.Class<T> factoryClass,
                                                 java.lang.ClassLoader loader)

getClassLoaders

private static java.lang.ClassLoader[] getClassLoaders(java.lang.Class<?>... classes)