Package org.apache.logging.log4j.util

Class ServiceLoaderUtil

java.lang.Object

org.apache.logging.log4j.util.ServiceLoaderUtil

public final class ServiceLoaderUtil
extends java.lang.Object

This class should be considered internal.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	ServiceLoaderUtil.ServiceLoaderSpliterator<S>

Field Summary

Fields

Modifier and Type	Field	Description
private static int	MAX_BROKEN_SERVICES

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ServiceLoaderUtil()

Method Summary

Modifier and Type	Method	Description
(package private) static <T> java.lang.Iterable<T>	callServiceLoader(java.lang.invoke.MethodHandles.Lookup lookup, java.lang.Class<T> serviceType, java.lang.ClassLoader classLoader, boolean verbose)
(package private) static <T> java.util.stream.Stream<T>	loadClassloaderServices(java.lang.Class<T> serviceType, java.lang.invoke.MethodHandles.Lookup lookup, java.lang.ClassLoader classLoader, boolean verbose)
static <T> java.util.stream.Stream<T>	loadServices(java.lang.Class<T> serviceType, java.lang.invoke.MethodHandles.Lookup lookup)	Retrieves the available services from the caller's classloader.
static <T> java.util.stream.Stream<T>	loadServices(java.lang.Class<T> serviceType, java.lang.invoke.MethodHandles.Lookup lookup, boolean useTccl)	Retrieves the available services from the caller's classloader and possibly the thread context classloader.
(package private) static <T> java.util.stream.Stream<T>	loadServices(java.lang.Class<T> serviceType, java.lang.invoke.MethodHandles.Lookup lookup, boolean useTccl, boolean verbose)

Methods inherited from class java.lang.Object

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

Field Detail

MAX_BROKEN_SERVICES

private static final int MAX_BROKEN_SERVICES

See Also:

Constant Field Values

Constructor Detail

ServiceLoaderUtil

private ServiceLoaderUtil()

Method Detail

loadServices

public static <T> java.util.stream.Stream<T> loadServices(java.lang.Class<T> serviceType,
                                                          java.lang.invoke.MethodHandles.Lookup lookup)

Retrieves the available services from the caller's classloader. Broken services will be ignored.

Type Parameters:

T - The service type.

Parameters:

serviceType - The class of the service.

lookup - The calling class data.

Returns:

A stream of service instances.

loadServices

public static <T> java.util.stream.Stream<T> loadServices(java.lang.Class<T> serviceType,
                                                          java.lang.invoke.MethodHandles.Lookup lookup,
                                                          boolean useTccl)

Retrieves the available services from the caller's classloader and possibly the thread context classloader. Broken services will be ignored.

Type Parameters:

T - The service type.

Parameters:

serviceType - The class of the service.

lookup - The calling class data.

useTccl - If true the thread context classloader will also be used.

Returns:

A stream of service instances.

loadServices

static <T> java.util.stream.Stream<T> loadServices(java.lang.Class<T> serviceType,
                                                   java.lang.invoke.MethodHandles.Lookup lookup,
                                                   boolean useTccl,
                                                   boolean verbose)

loadClassloaderServices

static <T> java.util.stream.Stream<T> loadClassloaderServices(java.lang.Class<T> serviceType,
                                                              java.lang.invoke.MethodHandles.Lookup lookup,
                                                              java.lang.ClassLoader classLoader,
                                                              boolean verbose)

callServiceLoader

static <T> java.lang.Iterable<T> callServiceLoader(java.lang.invoke.MethodHandles.Lookup lookup,
                                                   java.lang.Class<T> serviceType,
                                                   java.lang.ClassLoader classLoader,
                                                   boolean verbose)