Ansi8BitColorMapping Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/ansi/AnsiPropertySource.java lines 140–171

	private static class Ansi8BitColorMapping extends Mapping {

		private final IntFunction<Ansi8BitColor> factory;

		Ansi8BitColorMapping(String prefix, IntFunction<Ansi8BitColor> factory) {
			super(prefix);
			this.factory = factory;
		}

		@Override
		@Nullable AnsiElement getElement(String postfix) {
			if (containsOnlyDigits(postfix)) {
				try {
					return this.factory.apply(Integer.parseInt(postfix));
				}
				catch (IllegalArgumentException ex) {
					// Ignore
				}
			}
			return null;
		}

		private boolean containsOnlyDigits(String postfix) {
			for (int i = 0; i < postfix.length(); i++) {
				if (!Character.isDigit(postfix.charAt(i))) {
					return false;
				}
			}
			return !postfix.isEmpty();
		}

	}