ActiveSeries Class — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/json/JsonValueWriter.java lines 387–424

	private final class ActiveSeries {

		private final Series series;

		private int index;

		private final Set<String> names = new HashSet<>();

		private ActiveSeries(Series series) {
			this.series = series;
		}

		boolean addName(String processedName) {
			return this.names.add(processedName);
		}

		MemberPath updatePath(MemberPath path) {
			if (this.series != Series.ARRAY) {
				return path;
			}
			return path.child(this.index);
		}

		MemberPath restorePath(MemberPath path) {
			if (this.series != Series.ARRAY) {
				return path;
			}
			return (path.parent() != null) ? path.parent() : MemberPath.ROOT;
		}

		void incrementIndexAndAddCommaIfRequired() {
			if (this.index > 0) {
				append(',');
			}
			this.index++;
		}

	}