com.nimbusds.common.spi

Class ServiceLoaderUtility

java.lang.Object

com.nimbusds.common.spi.ServiceLoaderUtility

public class ServiceLoaderUtility
extends Object

Service (SPI) loader utility.

Constructor Summary

Constructors

Constructor and Description
ServiceLoaderUtility()

Method Summary

Modifier and Type	Method and Description
static <T> Set<T>	loadMultiple(Class<T> tClass, T defaultImpl) Loads multiple Service Provider Interface (SPI) implementations.
static <T> T	loadSingle(Class<T> tClass, T defaultImpl) Loads a single Service Provider Interface (SPI) implementation.

Methods inherited from class java.lang.Object

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

Constructor Detail

ServiceLoaderUtility

public ServiceLoaderUtility()

Method Detail

loadSingle

public static <T> T loadSingle(Class<T> tClass,
                               T defaultImpl)

Loads a single Service Provider Interface (SPI) implementation.

Parameters:

tClass - The SPI. Not null.

defaultImpl - The default implementation, null if not specified.

Returns:

The loaded SPI implementation or the default one.

Throws:

RuntimeException - If more than one SPI implementation was found.

loadMultiple

public static <T> Set<T> loadMultiple(Class<T> tClass,
                                      T defaultImpl)

Loads multiple Service Provider Interface (SPI) implementations.

Parameters:

tClass - The SPI. Not null.

defaultImpl - The default implementation, null if not specified.

Returns:

The loaded SPI implementations, if none were loaded and a default was specified, a singleton set with it.