tbuilder.add("l", BigInteger.class);
SimpleFeatureType type = tbuilder.buildFeatureType();
SimpleFeatureBuilder fb = new SimpleFeatureBuilder(type);
ListFeatureCollection features = new ListFeatureCollection(type);
for (int i = 0, ii = 20; i < ii; i++) {
features.add(fb.buildFeature(null, new Object[] {
new GeometryFactory().createPoint(new Coordinate(1, -1)), new Byte((byte) i),
new Short((short) i), new Double(i), new Float(i), new String(i + " "),
new Date(i), new Boolean(true), new Integer(22),
new Long(1234567890123456789L),
new BigDecimal(new BigInteger("12345678901234567890123456789"), 2),