PropertiesAutoConfigurationMetadata Class — spring-boot Architecture

Source Code

core/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/AutoConfigurationMetadataLoader.java lines 69–115

	private static class PropertiesAutoConfigurationMetadata implements AutoConfigurationMetadata {

		private final Properties properties;

		PropertiesAutoConfigurationMetadata(Properties properties) {
			this.properties = properties;
		}

		@Override
		public boolean wasProcessed(String className) {
			return this.properties.containsKey(className);
		}

		@Override
		public @Nullable Integer getInteger(String className, String key) {
			return getInteger(className, key, null);
		}

		@Override
		public @Nullable Integer getInteger(String className, String key, @Nullable Integer defaultValue) {
			String value = get(className, key);
			return (value != null) ? Integer.valueOf(value) : defaultValue;
		}

		@Override
		public @Nullable Set<String> getSet(String className, String key) {
			return getSet(className, key, null);
		}

		@Override
		public @Nullable Set<String> getSet(String className, String key, @Nullable Set<String> defaultValue) {
			String value = get(className, key);
			return (value != null) ? StringUtils.commaDelimitedListToSet(value) : defaultValue;
		}

		@Override
		public @Nullable String get(String className, String key) {
			return get(className, key, null);
		}

		@Override
		public @Nullable String get(String className, String key, @Nullable String defaultValue) {
			String value = this.properties.getProperty(className + "." + key);
			return (value != null) ? value : defaultValue;
		}

	}