JsonPropertyValue Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/support/SpringApplicationJsonEnvironmentPostProcessor.java lines 195–230

	private static class JsonPropertyValue {

		private static final String[] CANDIDATES = { SPRING_APPLICATION_JSON_PROPERTY,
				SPRING_APPLICATION_JSON_ENVIRONMENT_VARIABLE };

		private final PropertySource<?> propertySource;

		private final String propertyName;

		private final String json;

		JsonPropertyValue(PropertySource<?> propertySource, String propertyName, String json) {
			this.propertySource = propertySource;
			this.propertyName = propertyName;
			this.json = json;
		}

		String getJson() {
			return this.json;
		}

		Origin getOrigin() {
			return PropertySourceOrigin.get(this.propertySource, this.propertyName);
		}

		static @Nullable JsonPropertyValue get(PropertySource<?> propertySource) {
			for (String candidate : CANDIDATES) {
				Object value = propertySource.getProperty(candidate);
				if (value instanceof String string && StringUtils.hasLength(string)) {
					return new JsonPropertyValue(propertySource, candidate, string);
				}
			}
			return null;
		}

	}