RandomString Class — spring-boot Architecture

Source Code

buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/docker/type/RandomString.java lines 29–46

final class RandomString {

	private static final Random random = new Random();

	private RandomString() {
	}

	static String generate(String prefix, int randomLength) {
		Assert.notNull(prefix, "'prefix' must not be null");
		return prefix + generateRandom(randomLength);
	}

	static CharSequence generateRandom(int length) {
		IntStream chars = random.ints('a', 'z' + 1).limit(length);
		return chars.collect(StringBuilder::new, StringBuilder::appendCodePoint, StringBuilder::append);
	}

}