MapLists.java

public final class MapLists<K, V> {

	public final class Maps {
		private final HashMap<K, V> map = new HashMap<K, V>();

		private Maps() {
		}

		public Maps put(K key, V value) {
			map.put(key, value);
			return this;
		}

		public MapLists<K, V> end() {
			list.add((unmodifiable) ? Collections.unmodifiableMap(map) : map);
			return MapLists.this;
		}
	}

	public static <K, V> MapLists<K, V> begin(boolean unmodifiable) {
		return new MapLists<K, V>(unmodifiable);
	}

	private final List<Map<K, V>> list = new ArrayList<Map<K, V>>();

	private final boolean unmodifiable;

	private MapLists(boolean unmodifiable) {
		this.unmodifiable = unmodifiable;
	}

	public Maps row() {
		return new Maps();
	}

	public List<Map<K, V>> end() {
		return (unmodifiable) ? Collections.unmodifiableList(list) : list;
	}
}