EnvironmentPostProcessorsFactory Type — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/support/EnvironmentPostProcessorsFactory.java lines 35–89

@FunctionalInterface
public interface EnvironmentPostProcessorsFactory {

	/**
	 * Create all requested {@link EnvironmentPostProcessor} instances.
	 * @param logFactory a deferred log factory
	 * @param bootstrapContext a bootstrap context
	 * @return the post processor instances
	 */
	List<EnvironmentPostProcessor> getEnvironmentPostProcessors(DeferredLogFactory logFactory,
			ConfigurableBootstrapContext bootstrapContext);

	/**
	 * Return a {@link EnvironmentPostProcessorsFactory} backed by
	 * {@code spring.factories}.
	 * @param classLoader the source class loader
	 * @return an {@link EnvironmentPostProcessorsFactory} instance
	 */
	static EnvironmentPostProcessorsFactory fromSpringFactories(@Nullable ClassLoader classLoader) {
		return new SpringFactoriesEnvironmentPostProcessorsFactory(
				SpringFactoriesLoader.forDefaultResourceLocation(classLoader));
	}

	/**
	 * Return a {@link EnvironmentPostProcessorsFactory} that reflectively creates post
	 * processors from the given classes.
	 * @param classes the post processor classes
	 * @return an {@link EnvironmentPostProcessorsFactory} instance
	 */
	static EnvironmentPostProcessorsFactory of(Class<?>... classes) {
		return new ReflectionEnvironmentPostProcessorsFactory(classes);
	}

	/**
	 * Return a {@link EnvironmentPostProcessorsFactory} that reflectively creates post
	 * processors from the given class names.
	 * @param classNames the post processor class names
	 * @return an {@link EnvironmentPostProcessorsFactory} instance
	 */
	static EnvironmentPostProcessorsFactory of(String... classNames) {
		return of(null, classNames);
	}

	/**
	 * Return a {@link EnvironmentPostProcessorsFactory} that reflectively creates post
	 * processors from the given class names.
	 * @param classLoader the source class loader
	 * @param classNames the post processor class names
	 * @return an {@link EnvironmentPostProcessorsFactory} instance
	 */
	static EnvironmentPostProcessorsFactory of(@Nullable ClassLoader classLoader, String... classNames) {
		return new ReflectionEnvironmentPostProcessorsFactory(classLoader, classNames);
	}

}