StructuredLoggingJsonPropertiesJsonMembersCustomizer Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/logging/structured/StructuredLoggingJsonPropertiesJsonMembersCustomizer.java lines 33–79

class StructuredLoggingJsonPropertiesJsonMembersCustomizer implements StructuredLoggingJsonMembersCustomizer<Object> {

	private final Instantiator<?> instantiator;

	private final StructuredLoggingJsonProperties properties;

	private final boolean nested;

	StructuredLoggingJsonPropertiesJsonMembersCustomizer(Instantiator<?> instantiator,
			StructuredLoggingJsonProperties properties, boolean nested) {
		this.instantiator = instantiator;
		this.properties = properties;
		this.nested = nested;
	}

	@Override
	public void customize(Members<Object> members) {
		members.applyingPathFilter(this::filterPath);
		members.applyingNameProcessor(this::renameJsonMembers);
		Map<String, String> add = this.properties.add();
		if (!CollectionUtils.isEmpty(add)) {
			if (this.nested) {
				ContextPairs contextPairs = new ContextPairs(true, "");
				members.add().usingPairs(contextPairs.nested((pairs) -> pairs.addMapEntries((source) -> add)));
			}
			else {
				add.forEach(members::add);
			}
		}
		this.properties.customizers(this.instantiator).forEach((customizer) -> customizer.customize(members));
	}

	String renameJsonMembers(MemberPath path, String existingName) {
		Map<String, String> rename = this.properties.rename();
		String key = path.toUnescapedString();
		return !CollectionUtils.isEmpty(rename) ? rename.getOrDefault(key, existingName) : existingName;
	}

	boolean filterPath(MemberPath path) {
		boolean included = CollectionUtils.isEmpty(this.properties.include())
				|| this.properties.include().contains(path.toUnescapedString());
		boolean excluded = !CollectionUtils.isEmpty(this.properties.exclude())
				&& this.properties.exclude().contains(path.toUnescapedString());
		return (!included || excluded);
	}

}