package com.iot.chinamobile.alock.service.utility;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.Map.Entry;
import java.util.Set;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.google.gson.Gson;
public class JSONObjectUtil {
public static JSONArray jsonArraySort(JSONArray src, String key,String key2) throws ParseException{
JSONObject jsonObjectI=null;
JSONObject jsonObjectJ=null;
Date dateI=null;
Date dateJ=null;
if(ValidUtil.valid(src)){
for (Integer i=0;i<src.size();i++){
jsonObjectI=src.getJSONObject(i);
if(ValidUtil.valid(key2) && ValidUtil.valid(jsonObjectI.getString(key2))){
Date tmpDate=DateUtil.LONG_DATE_FORMAT.parse(jsonObjectI.getString(key2));
String string=DateUtil.HMS_FORMAT.format(tmpDate);
dateI= DateUtil.HMS_FORMAT.parse(string);
}else if(ValidUtil.valid(jsonObjectI.getString(key))){
dateI= DateUtil.HMS_FORMAT.parse(jsonObjectI.getString(key));
}
for(Integer j=i; j<src.size();j++){
jsonObjectJ=src.getJSONObject(j);
if(ValidUtil.valid(key2) && ValidUtil.valid(jsonObjectJ.getString(key2))){
Date tmpDate=DateUtil.LONG_DATE_FORMAT.parse(jsonObjectJ.getString(key2));
String string=DateUtil.HMS_FORMAT.format(tmpDate);
dateJ= DateUtil.HMS_FORMAT.parse(string);
}else if(ValidUtil.valid(jsonObjectJ.getString(key))){
dateJ= DateUtil.HMS_FORMAT.parse(jsonObjectJ.getString(key));
}
if(DateUtil.compareDate(dateJ, dateI, Calendar.SECOND)<0){
JSONObject tempJson=jsonObjectI;
jsonObjectI=jsonObjectJ;
dateI=dateJ;
src.set(i, jsonObjectI);
src.set(j, tempJson);
}
}
}
}
return src;
}
//获取JSONArray中指定key值value组成的list
public static ArrayList<String> getAllValueListByKey(JSONArray list,String key){
if(!ValidUtil.valid(list) || !ValidUtil.valid(key)){
return null;
}
ArrayList<String> result = new ArrayList<String>();
for(Integer index=0;index<list.size();index++){
JSONObject object=list.getJSONObject(index);
result.add(object.getString(key));
}
return result;
}
//获取指定JSONArray，返回指定key1相等的value的key2值
public static String getValueByKeyOnKey1OnArray(JSONArray list,String key1,String value1,String key2)throws Exception{
if (!ValidUtil.valid(key1)||!ValidUtil.valid(key1)||!ValidUtil.valid(value1)||!ValidUtil.valid(key2)) {
return null;
}
for (int index = 0; index < list.size();index ++) {
if (value1.equals(list.getJSONObject(index).getString(key1))) {
return list.getJSONObject(index).getString(key2);
}
}
return null;
}
/**
* 连接两个JSONArray为一个JSONArray
* @return
*/
public static JSONArray combineJsonArrays(JSONArray array1,JSONArray array2) {
if(ValidUtil.valid(array1) && !ValidUtil.valid(array2)){
return array1;
}else if(ValidUtil.valid(array2) && !ValidUtil.valid(array1)){
return array2;
}else if(ValidUtil.valid(array1) && ValidUtil.valid(array2)){
for(Integer index=0;index<array2.size();index++){
JSONObject object=array2.getJSONObject(index);
array1.add(object);
}
return array1;
}else{
return null;
}
}
/**
* 连接两个JSONArray为一个指定length的JSONArray
* @return
*/
public static JSONArray combineJsonArrays(JSONArray array1,JSONArray array2,Integer length) {
if(ValidUtil.valid(length)){
if(ValidUtil.valid(array1) && !ValidUtil.valid(array2)){
return array1;
}else if(ValidUtil.valid(array2) && !ValidUtil.valid(array1)){
return array2;
}else if(ValidUtil.valid(array1) && ValidUtil.valid(array2)){
for(Integer index=0;index<array2.size();index++){
if(length>array1.size()){
JSONObject object=array2.getJSONObject(index);
array1.add(object);
}else{
break;
}
}
return array1;
}
}
return null;
}
/**
* 改变JSONArray中指定值的JSONObject
* @return
*/
public static JSONArray changeSpecifyKeysJsonObjectFromArray(JSONArray list,String key,Integer value,String key1,Object object) {
if(ValidUtil.valid(list)){
for(Integer index=0; index<list.size();index++){
JSONObject object2=list.getJSONObject(index);
if(object2.containsKey(key) && object2.getInteger(key).equals(value)){
object2.put(key1, object);
list.remove(index);
list.add(object2);
return list;
}
}
}
return null;
}
/**
* 获取JSONArray中指定值的JSONObject
* @return
*/
public static JSONObject getSpecifyKeysJsonObjectFromArray(JSONArray list,String key,String value) {
if(ValidUtil.valid(list)){
for(Integer index=0; index<list.size();index++){
JSONObject object=list.getJSONObject(index);
if(object.containsKey(key) && object.getString(key).equals(value)){
return object;
}
}
}
return null;
}
/**
* 获取JSONArray中指定值的JSONObject
* @return
*/
public static JSONObject getSpecifyKeysJsonObjectFromArray(JSONArray list,String key,Integer value) {
if(ValidUtil.valid(list)){
for(Integer index=0; index<list.size();index++){
JSONObject object=list.getJSONObject(index);
if(object.containsKey(key) && ValidUtil.valid(object.getInteger(key)) &&object.getInteger(key).equals(value)){
return object;
}
}
}
return null;
}
/**
* 将JSONObject中的key1的Int转换成key2的list
* @return
*/
public static JSONObject changeKeyAndValue(JSONObject object,String key1,String key2){
if(!ValidUtil.valid(object) || !object.containsKey(key1)){
return object;
}
ArrayList<Integer> list=new ArrayList<Integer>();
list.add(object.getInteger(key1));
object.put(key2,list);
return object;
}
/**
* 将JSON数组转换为指定class的list
* @param JSONArray
* @param Class<T>
* @return
*/
public static <T> ArrayList<T> jsonArrayToList(JSONArray source, Class<T> clazz){
if (!ValidUtil.valid(source) || !ValidUtil.valid(clazz)) {
return null;
}
ArrayList<T> result = new ArrayList<T>();
for(Integer index=0;index<source.size();index++){
JSONObject object=source.getJSONObject(index);
result.add(jsonToBean(object, clazz));
}
return result;
}
/**
* 将list转换为JSON数组
* @param objList
* @return
*/
public static JSONArray ListToJSONArray(Object objList) {
if (!ValidUtil.valid(objList)) {
return null;
}
return JSONArray.parseArray(JSONArray.toJSONString(objList));
}
/**
* 实体转换为JSON
* @param obj
* @return
*/
public static JSONObject entityToJSON(Object obj) {
if (!ValidUtil.valid(obj)) {
return null;
}
return (JSONObject) JSONObject.parse(JSONObject.toJSONString(obj));
}
/**
* String 转换为JSON
* @param obj
* @return
*/
public static JSONObject entityToJSON(String obj) {
if (!ValidUtil.valid(obj)) {
return null;
}
return (JSONObject) JSONObject.parse(obj);
}
//保留服务返回结果的有效部分
public static JSONObject jsonToValidJson(String[] keys, JSONObject originJson) {
if (null!=originJson) {
JSONObject returnJson=new JSONObject();
for (String key:keys) {
returnJson.put(key,originJson.get(key));
}
return returnJson;
}
return null;
}
//删除服务多余的信息
public static JSONObject jsonRemoveKeys(String[] keys, JSONObject originJson) {
if (null!=originJson) {
for (String key:keys) {
if(originJson.containsKey(key)){
originJson.remove(key);
}
}
}
return originJson;
}
//json转bean
public static <T> T jsonToBean(JSONObject json, Class<T> clazz) {
if(!ValidUtil.valid(json) || !ValidUtil.valid(clazz)){
return null;
}
String str=json.toJSONString();
return new Gson().fromJson(str, clazz);
}
/**
* 判断JSONObject所有key都为null
* @param src
* @return
*/
public final static boolean isNullValue(JSONObject src) {
Set<Entry<String, Object>> entries = src.entrySet();
for (Entry<String, Object> entry:entries) {
if (ValidUtil.valid(entry.getValue())) {
return false;
}
}
return true;
}
public static void main(String[] args) {
/* SysUser sysUser = new SysUser();
sysUser.setId(2222);
sysUser.setUser_name("hahaha");
System.out.println(entityToJSON(sysUser));
SysUser sysUser1 = new SysUser();
sysUser1.setId(3333);
sysUser1.setUser_name("hehehehe");
List<SysUser> userList = new ArrayList<SysUser>();
userList.add(sysUser);
userList.add(sysUser1);
System.out.println(ListToJSONArray(userList));*/
}
}
