本文整理汇总了Java中com.alibaba.fastjson.JSONArray.set方法的典型用法代码示例。如果您正苦于以下问题：Java JSONArray.set方法的具体用法？Java JSONArray.set怎么用？Java JSONArray.set使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.alibaba.fastjson.JSONArray的用法示例。
在下文中一共展示了JSONArray.set方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: test_0
import com.alibaba.fastjson.JSONArray; //导入方法依赖的package包/类
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));
}
示例2: mergeJSONArray
import com.alibaba.fastjson.JSONArray; //导入方法依赖的package包/类
private static void mergeJSONArray(JSONArray target, JSONArray from, ArrayMergeStrategy strategy){
switch (strategy) {
case REPLACE:
if (target.size() > from.size()) {
for (int i = 0; i < from.size(); i++) {
target.set(i, from.get(i));
}
} else {
target.clear();
target.addAll(from);
}
break;
case APPEND:
target.addAll(from);
break;
case DEEP_MERGE:
// 对位置相同的元素进行合并；
int mergeCount = Math.min(target.size(), from.size());
Object targetFieldValue;
Object fromFieldValue;
for (int i = 0; i < mergeCount; i++) {
targetFieldValue = target.get(i);
fromFieldValue = from.get(i);
if ((targetFieldValue instanceof JSONObject) && (fromFieldValue instanceof JSONObject)) {
// 都是 JSON 对象，进行深度合并；
mergeJSONObject((JSONObject) targetFieldValue, (JSONObject) fromFieldValue, strategy);
} else if ((targetFieldValue instanceof JSONArray) && (fromFieldValue instanceof JSONArray)) {
// 都是 JSON 数组，进行数组合并；
mergeJSONArray((JSONArray) targetFieldValue, (JSONArray) fromFieldValue, strategy);
} else {
// 类型不同，直接替换；
target.set(i, fromFieldValue);
}
}
// 对多出来的元素进行追加；
if (from.size() > target.size()) {
for (int i = target.size(); i < from.size(); i++) {
target.add(from.get(i));
}
}
break;
default:
throw new IllegalStateException("Unsupported strategy[" + strategy + "] for merging json array!");
}
}
示例3: toArray
import com.alibaba.fastjson.JSONArray; //导入方法依赖的package包/类
/**
* array.set(index, isContainer ? value : value.getJSONObject(className));
* @param arrayObject
* @param className className.isEmpty() == false && value.containsKey(className) >> isContainer = true;
* @return
*/
public static JSONArray toArray(JSONObject arrayObject, String className) {
Set<String> set = arrayObject == null ? null : arrayObject.keySet();
if (set == null || set.isEmpty()) {
return null;
}
// [{...},{...},...]
String parentString = StringUtil.getTrimedString(JSON.toJSONString(arrayObject));
if (parentString.isEmpty()) {
return null;
}
if (parentString.startsWith("[")) {
if (parentString.endsWith("]") == false) {
parentString += "]";
}
return JSON.parseArray(parentString);
}
//{"0":{Table:{...}}, "1":{Table:{...}}...}
className = StringUtil.getTrimedString(className);
boolean isContainer = true;
JSONArray array = new JSONArray(set.size());
JSONObject value;
boolean isFirst = true;
int index;
for (String key : set) {//0, 1, 2,...
value = StringUtil.isNumer(key) == false ? null : arrayObject.getJSONObject(key);// Table:{}
if (value != null) {
try {
index = Integer.valueOf(0 + key);
if (isFirst && className.isEmpty() == false && value.containsKey(className)) {// 判断是否需要提取table
isContainer = false;
}
array.set(index, isContainer ? value : value.getJSONObject(className));
} catch (Exception e) {
e.printStackTrace();
}
}
isFirst = false;
}
return array;
}
示例4: toObjectArray
import com.alibaba.fastjson.JSONArray; //导入方法依赖的package包/类
private <T> T toObjectArray(DefaultJSONParser parser, Class<?> componentType, JSONArray array) {
if (array == null) {
return null;
}
int size = array.size();
T objArray = Array.newInstance(componentType, size);
for (int i = 0; i < size; i++) {
Object value = array.get(i);
if (value == array) {
Array.set(objArray, i, objArray);
} else if (componentType.isArray()) {
if (componentType.isInstance(value)) {
element = value;
} else {
element = toObjectArray(parser, componentType, (JSONArray) value);
}
Array.set(objArray, i, element);
} else {
element = null;
if (value instanceof JSONArray) {
boolean contains = false;
JSONArray valueArray = (JSONArray) value;
int valueArraySize = valueArray.size();
for (int y = 0; y < valueArraySize; y++) {
if (valueArray.get(y) == array) {
valueArray.set(i, objArray);
contains = true;
}
}
if (contains) {
element = valueArray.toArray();
}
}
if (element == null) {
element = TypeUtils.cast(value, (Class) componentType, parser.getConfig());
}
Array.set(objArray, i, element);
}
}
array.setRelatedArray(objArray);
array.setComponentType(componentType);
return objArray;
}