io.ultreia.java4all.util

Class ServiceLoaders

java.lang.Object

io.ultreia.java4all.util.ServiceLoaders

public class ServiceLoaders
extends Object

Created by tchemit on 30/05/2018.

Author:

Tony Chemit - dev@tchemit.fr

Constructor Summary

Constructors

Constructor and Description
ServiceLoaders()

Method Summary

Modifier and Type	Method and Description
static <O> List<Class<O>>	loadTypes(Class<O> serviceType) Load of classes of the given serviceType using ServiceLoader mecanism, but without loading any of those services.
static <S> S	loadUniqueService(Class<S> serviceType) Load the unique implementation of the given serviceType.
static <S> ServiceLoader<S>	reload(Class<S> serviceType) Get service loader for given serviceType, applying a ServiceLoader.reload() before returns.

Methods inherited from class java.lang.Object

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

Constructor Detail

ServiceLoaders

public ServiceLoaders()

Method Detail

reload

public static <S> ServiceLoader<S> reload(Class<S> serviceType)

Get service loader for given serviceType, applying a ServiceLoader.reload() before returns.

Type Parameters:

S - generic type of service to load

Parameters:

serviceType - type of service to load

Returns:

the service loader reloaded.

Since:

1.0.10

loadUniqueService

public static <S> S loadUniqueService(Class<S> serviceType)

Load the unique implementation of the given serviceType.

Type Parameters:

S - generic type of service to load

Parameters:

serviceType - type of service to load

Returns:

the unique service found

Throws:

IllegalStateException - if could not find the servcie, or if there is more than one implementations found.

loadTypes

public static <O> List<Class<O>> loadTypes(Class<O> serviceType)

Load of classes of the given serviceType using ServiceLoader mecanism, but without loading any of those services.

Type Parameters:

O - type of service to seek

Parameters:

serviceType - type of service to seek

Returns:

list of all implementation found via ServiceLoader mechanism for given type