HidePackagesClassLoader Class — spring-boot Architecture

Source Code

core/spring-boot/src/test/java/org/springframework/boot/logging/log4j2/Log4J2RuntimeHintsTests.java lines 78–95

	static final class HidePackagesClassLoader extends URLClassLoader {

		private final String[] hiddenPackages;

		HidePackagesClassLoader(String... hiddenPackages) {
			super(new URL[0], HidePackagesClassLoader.class.getClassLoader());
			this.hiddenPackages = hiddenPackages;
		}

		@Override
		protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
			if (Arrays.stream(this.hiddenPackages).anyMatch(name::startsWith)) {
				throw new ClassNotFoundException();
			}
			return super.loadClass(name, resolve);
		}

	}