Factory Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/logging/logback/LogbackLoggingSystem.java lines 505–519

	@Order(Ordered.HIGHEST_PRECEDENCE + 1024)
	public static class Factory implements LoggingSystemFactory {

		private static final boolean PRESENT = ClassUtils.isPresent("ch.qos.logback.classic.LoggerContext",
				Factory.class.getClassLoader());

		@Override
		public @Nullable LoggingSystem getLoggingSystem(ClassLoader classLoader) {
			if (PRESENT) {
				return new LogbackLoggingSystem(classLoader);
			}
			return null;
		}

	}