Examples with JSONArray com.alibaba.fastjson.JSONArray used on opensource projects

Example 11 with JSONArray

use of com.alibaba.fastjson.JSONArray in project fastjson by alibaba.

the class JSONArrayTest method test_1.

public void test_1() throws Exception {
    JSONArray array = new JSONArray(3);
    Assert.assertEquals(true, array.isEmpty());
    array.add(1);
    Assert.assertEquals(false, array.isEmpty());
    Assert.assertEquals(true, array.contains(1));
    Assert.assertEquals(1, array.toArray()[0]);
    {
        Object[] items = new Object[1];
        array.toArray(items);
        Assert.assertEquals(1, items[0]);
    }
    Assert.assertEquals(true, array.containsAll(Collections.singletonList(1)));
    Assert.assertEquals(true, array.remove(Integer.valueOf(1)));
    Assert.assertEquals(true, array.isEmpty());
    array.addAll(Collections.singletonList(1));
    Assert.assertEquals(1, array.size());
    array.removeAll(Collections.singletonList(1));
    Assert.assertEquals(0, array.size());
    array.addAll(0, Arrays.asList(1, 2, 3));
    Assert.assertEquals(3, array.size());
    array.clear();
    array.addAll(0, Arrays.asList(1, 2, 3));
    Assert.assertEquals(true, array.retainAll(Arrays.asList(1, 2)));
    Assert.assertEquals(2, array.size());
    Assert.assertEquals(true, array.retainAll(Arrays.asList(2, 4)));
    Assert.assertEquals(1, array.size());
    array.set(0, 4);
    Assert.assertEquals(4, array.toArray()[0]);
    array.add(0, 4);
    Assert.assertEquals(4, array.toArray()[0]);
    array.remove(0);
    array.remove(0);
    Assert.assertEquals(0, array.size());
    array.addAll(Arrays.asList(1, 2, 3, 4, 5, 4, 3));
    Assert.assertEquals(2, array.indexOf(3));
    Assert.assertEquals(6, array.lastIndexOf(3));
    {
        AtomicInteger count = new AtomicInteger();
        for (ListIterator<Object> iter = array.listIterator(); iter.hasNext(); iter.next()) {
            count.incrementAndGet();
        }
        Assert.assertEquals(7, count.get());
    }
    {
        AtomicInteger count = new AtomicInteger();
        for (ListIterator<Object> iter = array.listIterator(2); iter.hasNext(); iter.next()) {
            count.incrementAndGet();
        }
        Assert.assertEquals(5, count.get());
    }
    {
        Assert.assertEquals(2, array.subList(2, 4).size());
    }
}

Example 12 with JSONArray

use of com.alibaba.fastjson.JSONArray in project fastjson by alibaba.

the class CastTest2 method test_0.

public void test_0() throws Exception {
    String text;
    {
        List<Object> list = new ArrayList<Object>();
        list.add(new Header());
        Body body = new Body("张三");
        body.getItems().put("1", new Item());
        list.add(body);
        text = JSON.toJSONString(list);
        System.out.println(text);
    }
    JSONArray array = JSON.parseArray(text);
    Body body = array.getObject(1, Body.class);
    Assert.assertEquals("张三", body.getName());
    Assert.assertEquals(1, body.getItems().size());
}

Example 13 with JSONArray

use of com.alibaba.fastjson.JSONArray in project fastjson by alibaba.

the class JSONArrayTest3 method test_0.

public void test_0() throws Exception {
    JSONArray array = new JSONArray();
    array.set(1, "1001");
    Assert.assertEquals(2, array.size());
    Assert.assertNull(array.get(0));
    Assert.assertEquals("1001", array.get(1));
    array.clear();
    Assert.assertEquals(0, array.size());
    array.set(-1, "1001");
    Assert.assertEquals(1, array.size());
    Assert.assertEquals("1001", array.get(0));
    array.fluentAdd("1002").fluentClear();
    Assert.assertEquals(0, array.size());
    array.fluentAdd("1002").fluentRemove("1002");
    Assert.assertEquals(0, array.size());
    array.fluentAdd("1002").fluentRemove(0);
    Assert.assertEquals(0, array.size());
    array.fluentSet(1, "1001");
    Assert.assertEquals(2, array.size());
    Assert.assertNull(array.get(0));
    Assert.assertEquals("1001", array.get(1));
    array.fluentRemoveAll(Arrays.asList(null, "1001"));
    Assert.assertEquals(0, array.size());
    array.fluentAddAll(Arrays.asList("1001", "1002", "1003"));
    Assert.assertEquals(3, array.size());
    array.retainAll(Arrays.asList("1002", "1004"));
    Assert.assertEquals(1, array.size());
    Assert.assertEquals("1002", array.get(0));
}

Example 14 with JSONArray

use of com.alibaba.fastjson.JSONArray in project fastjson by alibaba.

the class Issue1023 method test_for_issue.

public void test_for_issue() throws Exception {
    Date now = new Date();
    GregorianCalendar gregorianCalendar = (GregorianCalendar) GregorianCalendar.getInstance();
    gregorianCalendar.setTime(now);
    XMLGregorianCalendar calendar = DatatypeFactory.newInstance().newXMLGregorianCalendar(gregorianCalendar);
    String jsonString = JSON.toJSONString(calendar);
    // success
    calendar = JSON.parseObject(jsonString, XMLGregorianCalendar.class);
    // debug看到是 Long 类型
    Object toJSON1 = JSON.toJSON(calendar);
    // 所以这里会报错：
    // error: java.lang.ClassCastException: java.lang.Long cannot be cast to com.alibaba.fastjson.JSONObject
    //JSONObject jsonObject = (JSONObject) JSON.toJSON(calendar);
    // 所以 这里肯定会报错， 因为 jsonObject 不是JSONObject类型
    //calendar = jsonObject.toJavaObject(XMLGregorianCalendar.class);
    List<XMLGregorianCalendar> calendarList = new ArrayList<XMLGregorianCalendar>();
    calendarList.add(calendar);
    calendarList.add(calendar);
    calendarList.add(calendar);
    // debug 看到是 JSONArray 类型
    Object toJSON2 = JSON.toJSON(calendarList);
    // success： 通过 JSONArray.parseArray 方法可以正确转换
    JSONArray jsonArray = (JSONArray) JSON.toJSON(calendarList);
    jsonString = jsonArray.toJSONString();
    List<XMLGregorianCalendar> calendarList1 = JSONArray.parseArray(jsonString, XMLGregorianCalendar.class);
    // 通过 jsonArray.toJavaList 无法转换
    // error: com.alibaba.fastjson.JSONException: can not cast to : javax.xml.datatype.XMLGregorianCalendar
    List<XMLGregorianCalendar> calendarList2 = jsonArray.toJavaList(XMLGregorianCalendar.class);
    assertNotNull(calendarList2);
    assertEquals(3, calendarList2.size());
}

Example 15 with JSONArray

use of com.alibaba.fastjson.JSONArray in project fastjson by alibaba.

the class Bug_for_jiangwei1 method test_JSONArray_double.

public void test_JSONArray_double() throws Exception {
    JSONArray json = JSON.parseArray("[12.3]");
    Assert.assertTrue(12.3D == json.getDoubleValue(0));
}