OptionHelpFormatter Class — spring-boot Architecture

Source Code

cli/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/options/OptionHandler.java lines 149–171

	private static final class OptionHelpFormatter implements HelpFormatter {

		private final List<OptionHelp> help = new ArrayList<>();

		@Override
		public String format(Map<String, ? extends OptionDescriptor> options) {
			Comparator<OptionDescriptor> comparator = Comparator
				.comparing((optionDescriptor) -> optionDescriptor.options().iterator().next());
			Set<OptionDescriptor> sorted = new TreeSet<>(comparator);
			sorted.addAll(options.values());
			for (OptionDescriptor descriptor : sorted) {
				if (!descriptor.representsNonOptions()) {
					this.help.add(new OptionHelpAdapter(descriptor));
				}
			}
			return "";
		}

		Collection<OptionHelp> getOptionHelp() {
			return Collections.unmodifiableList(this.help);
		}

	}