jodd-core/src/main/java/jodd/util/ArraysUtil.java
public static int[] values(Integer[] array) {
		int[] dest = new int[array.length];
		for (int i = 0; i < array.length; i++) {
			Integer v = array[i];
			if (v != null) {
				dest[i] = v.intValue();
			}
		}
		return dest;
	}
public static int[] values(Integer[] array) {
		int[] dest = new int[array.length];
		for (int i = 0; i < array.length; i++) {
			Integer v = array[i];
			if (v != null) {
				dest[i] = v.intValue();
			}
		}
		return dest;
	}
Converts to primitive array.