LogLevels Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/logging/AbstractLoggingSystem.java lines 220–248

	protected static class LogLevels<T> {

		private final Map<LogLevel, T> systemToNative;

		private final Map<T, LogLevel> nativeToSystem;

		public LogLevels() {
			this.systemToNative = new EnumMap<>(LogLevel.class);
			this.nativeToSystem = new HashMap<>();
		}

		public void map(LogLevel system, T nativeLevel) {
			this.systemToNative.putIfAbsent(system, nativeLevel);
			this.nativeToSystem.putIfAbsent(nativeLevel, system);
		}

		public @Nullable LogLevel convertNativeToSystem(T level) {
			return this.nativeToSystem.get(level);
		}

		public @Nullable T convertSystemToNative(@Nullable LogLevel level) {
			return this.systemToNative.get(level);
		}

		public Set<LogLevel> getSupported() {
			return new LinkedHashSet<>(this.nativeToSystem.values());
		}

	}