CommonFormatters Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/logging/structured/StructuredLogFormatterFactory.java lines 160–184

	public static class CommonFormatters<E> {

		private final Map<CommonStructuredLogFormat, CommonFormatterFactory<E>> factories = new TreeMap<>();

		/**
		 * Add the factory that should be used for the given
		 * {@link CommonStructuredLogFormat}.
		 * @param format the common structured log format
		 * @param factory the factory to use
		 */
		public void add(CommonStructuredLogFormat format, CommonFormatterFactory<E> factory) {
			this.factories.put(format, factory);
		}

		Collection<String> getCommonNames() {
			return this.factories.keySet().stream().map(CommonStructuredLogFormat::getId).toList();
		}

		@Nullable StructuredLogFormatter<E> get(Instantiator<?> instantiator, String format) {
			CommonStructuredLogFormat commonFormat = CommonStructuredLogFormat.forId(format);
			CommonFormatterFactory<E> factory = (commonFormat != null) ? this.factories.get(commonFormat) : null;
			return (factory != null) ? factory.createFormatter(instantiator) : null;
		}

	}