public static Integer[] json2IntegerArray(String jsonString) {
JSONArray jsonArray = JSONArray.fromObject(jsonString);
Integer[] integerArray = new Integer[jsonArray.size()];
for (int i = 0; i < jsonArray.size(); i++) {
integerArray[i] = jsonArray.getInt(i);
}
return integerArray;
}
public void testReadObject() throws Exception {
ObjectMapper mapper = new ObjectMapper();
mapper.registerModule(new JsonLibModule());
JSONObject ob =
mapper.readValue(
"{\"a\":{\"b\":3}, \"c\":[9, -4], \"d\":null, \"e\":true}", JSONObject.class);
assertEquals(4, ob.size());
JSONObject ob2 = ob.getJSONObject("a");
assertEquals(1, ob2.size());
assertEquals(3, ob2.getInt("b"));
JSONArray array = ob.getJSONArray("c");
assertEquals(2, array.size());
assertEquals(9, array.getInt(0));
assertEquals(-4, array.getInt(1));
assertTrue(JSONUtils.isNull(ob.get("d")));
assertTrue(ob.getBoolean("e"));
}
public void testReadArray() throws Exception {
ObjectMapper mapper = new ObjectMapper();
mapper.registerModule(new JsonLibModule());
JSONArray array =
mapper.readValue("[null, 13, false, 1.25, \"abc\", {\"a\":13}, [ ] ]", JSONArray.class);
assertEquals(7, array.size());
assertTrue(JSONUtils.isNull(array.get(0)));
assertEquals(13, array.getInt(1));
assertFalse(array.getBoolean(2));
assertEquals(Double.valueOf(1.25), array.getDouble(3));
assertEquals("abc", array.getString(4));
JSONObject ob = array.getJSONObject(5);
assertEquals(1, ob.size());
assertEquals(13, ob.getInt("a"));
JSONArray array2 = array.getJSONArray(6);
assertEquals(0, array2.size());
}