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/*Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
This source code is licensed under the Apache License Version 2.0.*/
package apijson;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import java.util.List;
import java.util.Set;
/**parser for response
* @author Lemon
* @see #getObject
* @see #getList
* @use JSONResponse response = new JSONResponse(json);
* <br> User user = response.getObject(User.class);//not a must
* <br> List<Comment> commenntList = response.getList("Comment[]", Comment.class);//not a must
*/
public class JSONResponse extends apijson.JSONObject {
private static final long serialVersionUID = 1L;
// 节约性能和减少 bug，除了关键词 @key ，一般都符合变量命名规范，不符合也原样返回便于调试
/**格式化带 - 中横线的单词
*/
public static boolean IS_FORMAT_HYPHEN = false;
/**格式化带 _ 下划线的单词
*/
public static boolean IS_FORMAT_UNDERLINE = false;
/**格式化带 $ 美元符的单词
*/
public static boolean IS_FORMAT_DOLLAR = false;
private static final String TAG = "JSONResponse";
public JSONResponse() {
super();
}
public JSONResponse(String json) {
this(parseObject(json));
}
public JSONResponse(JSONObject object) {
super(format(object));
}
//状态信息，非GET请求获得的信息<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
public static final int CODE_SUCCESS = 200; //成功
public static final int CODE_UNSUPPORTED_ENCODING = 400; //编码错误
public static final int CODE_ILLEGAL_ACCESS = 401; //权限错误
public static final int CODE_UNSUPPORTED_OPERATION = 403; //禁止操作
public static final int CODE_NOT_FOUND = 404; //未找到
public static final int CODE_ILLEGAL_ARGUMENT = 406; //参数错误
public static final int CODE_NOT_LOGGED_IN = 407; //未登录
public static final int CODE_TIME_OUT = 408; //超时
public static final int CODE_CONFLICT = 409; //重复，已存在
public static final int CODE_CONDITION_ERROR = 412; //条件错误，如密码错误
public static final int CODE_UNSUPPORTED_TYPE = 415; //类型错误
public static final int CODE_OUT_OF_RANGE = 416; //超出范围
public static final int CODE_NULL_POINTER = 417; //对象为空
public static final int CODE_SERVER_ERROR = 500; //服务器内部错误
public static final String MSG_SUCCEED = "success"; //成功
public static final String MSG_SERVER_ERROR = "Internal Server Error!"; //服务器内部错误
public static String KEY_OK = "ok";
public static String KEY_CODE = "code";
public static String KEY_MSG = "msg";
public static final String KEY_COUNT = "count";
public static final String KEY_TOTAL = "total";
public static final String KEY_INFO = "info"; //详细的分页信息
public static final String KEY_FIRST = "first"; //是否为首页
public static final String KEY_LAST = "last"; //是否为尾页
public static final String KEY_MAX = "max"; //最大页码
public static final String KEY_MORE = "more"; //是否有更多
/**获取状态
* @return
*/
public int getCode() {
try {
return getIntValue(KEY_CODE);
} catch (Exception e) {
//empty
}
return 0;
}
/**获取状态
* @return
*/
public static int getCode(JSONObject reponse) {
try {
return reponse.getIntValue(KEY_CODE);
} catch (Exception e) {
//empty
}
return 0;
}
/**获取状态描述
* @return
*/
public String getMsg() {
return getString(KEY_MSG);
}
/**获取状态描述
* @param reponse
* @return
*/
public static String getMsg(JSONObject reponse) {
return reponse == null ? null : reponse.getString(KEY_MSG);
}
/**获取id
* @return
*/
public long getId() {
try {
return getLongValue(KEY_ID);
} catch (Exception e) {
//empty
}
return 0;
}
/**获取数量
* @return
*/
public int getCount() {
try {
return getIntValue(KEY_COUNT);
} catch (Exception e) {
//empty
}
return 0;
}
/**获取总数
* @return
*/
public int getTotal() {
try {
return getIntValue(KEY_TOTAL);
} catch (Exception e) {
//empty
}
return 0;
}
/**是否成功
* @return
*/
public boolean isSuccess() {
return isSuccess(getCode());
}
/**是否成功
* @param code
* @return
*/
public static boolean isSuccess(int code) {
return code == CODE_SUCCESS;
}
/**是否成功
* @param response
* @return
*/
public static boolean isSuccess(JSONResponse response) {
return response != null && response.isSuccess();
}
/**是否成功
* @param response
* @return
*/
public static boolean isSuccess(JSONObject response) {
return response != null && isSuccess(response.getIntValue(KEY_CODE));
}
/**校验服务端是否存在table
* @return
*/
public boolean isExist() {
return isExist(getCount());
}
/**校验服务端是否存在table
* @param count
* @return
*/
public static boolean isExist(int count) {
return count > 0;
}
/**校验服务端是否存在table
* @param response
* @return
*/
public static boolean isExist(JSONResponse response) {
return response != null && response.isExist();
}
/**获取内部的JSONResponse
* @param key
* @return
*/
public JSONResponse getJSONResponse(String key) {
return getObject(key, JSONResponse.class);
}
//cannot get javaBeanDeserizer
// /**获取内部的JSONResponse
// * @param response
// * @param key
// * @return
// */
// public static JSONResponse getJSONResponse(JSONObject response, String key) {
// return response == null ? null : response.getObject(key, JSONResponse.class);
// }
//状态信息，非GET请求获得的信息>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
/**
* key = clazz.getSimpleName()
* @param clazz
* @return
*/
public <T> T getObject(Class<T> clazz) {
return getObject(clazz == null ? "" : clazz.getSimpleName(), clazz);
}
/**
* @param key
* @param clazz
* @return
*/
public <T> T getObject(String key, Class<T> clazz) {
return getObject(this, key, clazz);
}
/**
* @param object
* @param key
* @param clazz
* @return
*/
public static <T> T getObject(JSONObject object, String key, Class<T> clazz) {
return toObject(object == null ? null : object.getJSONObject(formatObjectKey(key)), clazz);
}
/**
* @param clazz
* @return
*/
public <T> T toObject(Class<T> clazz) {
return toObject(this, clazz);
}
/**
* @param object
* @param clazz
* @return
*/
public static <T> T toObject(JSONObject object, Class<T> clazz) {
return JSON.parseObject(JSON.toJSONString(object), clazz);
}
/**
* key = KEY_ARRAY
* @param clazz
* @return
*/
public <T> List<T> getList(Class<T> clazz) {
return getList(KEY_ARRAY, clazz);
}
/**
* arrayObject = this
* @param key
* @param clazz
* @return
*/
public <T> List<T> getList(String key, Class<T> clazz) {
return getList(this, key, clazz);
}
/**
* key = KEY_ARRAY
* @param object
* @param clazz
* @return
*/
public static <T> List<T> getList(JSONObject object, Class<T> clazz) {
return getList(object, KEY_ARRAY, clazz);
}
/**
* @param object
* @param key
* @param clazz
* @return
*/
public static <T> List<T> getList(JSONObject object, String key, Class<T> clazz) {
return object == null ? null : JSON.parseArray(object.getString(formatArrayKey(key)), clazz);
}
/**
* key = KEY_ARRAY
* @return
*/
public JSONArray getArray() {
return getArray(KEY_ARRAY);
}
/**
* @param key
* @return
*/
public JSONArray getArray(String key) {
return getArray(this, key);
}
/**
* @param object
* @return
*/
public static JSONArray getArray(JSONObject object) {
return getArray(object, KEY_ARRAY);
}
/**
* key = KEY_ARRAY
* @param object
* @param key
* @return
*/
public static JSONArray getArray(JSONObject object, String key) {
return object == null ? null : object.getJSONArray(formatArrayKey(key));
}
// /**
// * @return
// */
// public JSONObject format() {
// return format(this);
// }
/**格式化key名称
* @param object
* @return
*/
public static JSONObject format(final JSONObject object) {
//太长查看不方便，不如debug Log.i(TAG, "format object = \n" + JSON.toJSONString(object));
if (object == null || object.isEmpty()) {
Log.i(TAG, "format object == null || object.isEmpty() >> return object;");
return object;
}
JSONObject formatedObject = new JSONObject(true);
Set<String> set = object.keySet();
if (set != null) {
Object value;
for (String key : set) {
value = object.get(key);
if (value instanceof JSONArray) {//JSONArray，遍历来format内部项
formatedObject.put(formatArrayKey(key), format((JSONArray) value));
}
else if (value instanceof JSONObject) {//JSONObject，往下一级提取
formatedObject.put(formatObjectKey(key), format((JSONObject) value));
}
else {//其它Object，直接填充
formatedObject.put(formatOtherKey(key), value);
}
}
}
//太长查看不方便，不如debug Log.i(TAG, "format return formatedObject = " + JSON.toJSONString(formatedObject));
return formatedObject;
}
/**格式化key名称
* @param array
* @return
*/
public static JSONArray format(final JSONArray array) {
//太长查看不方便，不如debug Log.i(TAG, "format array = \n" + JSON.toJSONString(array));
if (array == null || array.isEmpty()) {
Log.i(TAG, "format array == null || array.isEmpty() >> return array;");
return array;
}
JSONArray formatedArray = new JSONArray();
Object value;
for (int i = 0; i < array.size(); i++) {
value = array.get(i);
if (value instanceof JSONArray) {//JSONArray，遍历来format内部项
formatedArray.add(format((JSONArray) value));
}
else if (value instanceof JSONObject) {//JSONObject，往下一级提取
formatedArray.add(format((JSONObject) value));
}
else {//其它Object，直接填充
formatedArray.add(value);
}
}
//太长查看不方便，不如debug Log.i(TAG, "format return formatedArray = " + JSON.toJSONString(formatedArray));
return formatedArray;
}
/**获取表名称
* @param fullName name 或 name:alias
* @return name => name; name:alias => alias
*/
public static String getTableName(String fullName) {
//key:alias -> alias; key:alias[] -> alias[]
int index = fullName == null ? -1 : fullName.indexOf(":");
return index < 0 ? fullName : fullName.substring(0, index);
}
/**获取变量名
* @param fullName
* @return {@link #formatKey(String, boolean, boolean, boolean, boolean, boolean, boolean)} formatColon = true, formatAt = true, formatHyphen = true, firstCase = true
*/
public static String getVariableName(String fullName) {
if (isArrayKey(fullName)) {
fullName = StringUtil.addSuffix(fullName.substring(0, fullName.length() - 2), "list");
}
return formatKey(fullName, true, true, true, true, false, true);
}
/**格式化数组的名称 key[] => keyList; key:alias[] => aliasList; Table-column[] => tableColumnList
* @param key empty ? "list" : key + "List" 且首字母小写
* @return {@link #formatKey(String, boolean, boolean, boolean, boolean, boolean, boolean)} formatColon = false, formatAt = true, formatHyphen = true, firstCase = true
*/
public static String formatArrayKey(String key) {
if (isArrayKey(key)) {
key = StringUtil.addSuffix(key.substring(0, key.length() - 2), "list");
}
int index = key == null ? -1 : key.indexOf(":");
if (index >= 0) {
return key.substring(index + 1); //不处理自定义的
}
return formatKey(key, false, true, true, IS_FORMAT_UNDERLINE, IS_FORMAT_DOLLAR, false); //节约性能，除了数组对象 Table-column:alias[] ，一般都符合变量命名规范
}
/**格式化对象的名称 name => name; name:alias => alias
* @param key name 或 name:alias
* @return {@link #formatKey(String, boolean, boolean, boolean, boolean, boolean, boolean)} formatColon = false, formatAt = true, formatHyphen = false, firstCase = true
*/
public static String formatObjectKey(String key) {
int index = key == null ? -1 : key.indexOf(":");
if (index >= 0) {
return key.substring(index + 1); // 不处理自定义的
}
return formatKey(key, false, true, IS_FORMAT_HYPHEN, IS_FORMAT_UNDERLINE, IS_FORMAT_DOLLAR, false); //节约性能，除了表对象 Table:alias ，一般都符合变量命名规范
}
/**格式化普通值的名称 name => name; name:alias => alias
* @param fullName name 或 name:alias
* @return {@link #formatKey(String, boolean, boolean, boolean, boolean, boolean, boolean, boolean, boolean)} formatColon = false, formatAt = true, formatHyphen = false, firstCase = false
*/
public static String formatOtherKey(String fullName) {
return formatKey(fullName, false, true, IS_FORMAT_HYPHEN, IS_FORMAT_UNDERLINE, IS_FORMAT_DOLLAR
, IS_FORMAT_HYPHEN || IS_FORMAT_UNDERLINE || IS_FORMAT_DOLLAR ? false : null);
}
/**格式化名称
* @param fullName name 或 name:alias
* @param formatAt 去除前缀 @ ， @a => a
* @param formatColon 去除分隔符 : ， A:b => b
* @param formatHyphen 去除分隔符 - ， A-b-cd-Efg => aBCdEfg
* @param formatUnderline 去除分隔符 _ ， A_b_cd_Efg => aBCdEfg
* @param formatDollar 去除分隔符 $ ， A$b$cd$Efg => aBCdEfg
* @param firstCase 第一个单词首字母小写，后面的首字母大写， Ab => ab ; A-b-Cd => aBCd
* @return name => name; name:alias => alias
*/
public static String formatKey(String fullName, boolean formatColon, boolean formatAt, boolean formatHyphen
, boolean formatUnderline, boolean formatDollar, Boolean firstCase) {
if (fullName == null) {
Log.w(TAG, "formatKey fullName == null >> return null;");
return null;
}
if (formatColon) {
fullName = formatColon(fullName);
}
if (formatAt) { //关键词只去掉前缀，不格式化单词，例如 @a-b 返回 a-b ，最后不会调用 setter
fullName = formatAt(fullName);
}
if (formatHyphen) {
fullName = formatHyphen(fullName, firstCase != null);
}
if (formatUnderline) {
fullName = formatUnderline(fullName, firstCase != null);
}
if (formatDollar) {
fullName = formatDollar(fullName, firstCase != null);
}
// 默认不格式化普通 key:value (value 不为 [], {}) 的 key
return firstCase == null ? fullName : StringUtil.firstCase(fullName, firstCase);
}
/**"@key" => "key"
* @param key
* @return
*/
public static String formatAt(@NotNull String key) {
return key.startsWith("@") ? key.substring(1) : key;
}
/**key:alias => alias
* @param key
* @return
*/
public static String formatColon(@NotNull String key) {
int index = key.indexOf(":");
return index < 0 ? key : key.substring(index + 1);
}
/**A-b-cd-Efg => ABCdEfg
* @param key
* @return
*/
public static String formatHyphen(@NotNull String key, Boolean firstCase) {
return formatDivider(key, "-", firstCase);
}
/**A_b_cd_Efg => ABCdEfg
* @param key
* @return
*/
public static String formatUnderline(@NotNull String key, Boolean firstCase) {
return formatDivider(key, "_", firstCase);
}
/**A$b$cd$Efg => ABCdEfg
* @param key
* @return
*/
public static String formatDollar(@NotNull String key, Boolean firstCase) {
return formatDivider(key, "$", firstCase);
}
/**A.b.cd.Efg => ABCdEfg
* @param key
* @return
*/
public static String formatDot(@NotNull String key, Boolean firstCase) {
return formatDivider(key, ".", firstCase);
}
/**A/b/cd/Efg => ABCdEfg
* @param key
* @return
*/
public static String formatDivider(@NotNull String key, Boolean firstCase) {
return formatDivider(key, "/", firstCase);
}
/**去除分割符，返回驼峰格式
* @param key
* @param divider
* @param firstCase
* @return
*/
public static String formatDivider(@NotNull String key, @NotNull String divider, Boolean firstCase) {
String[] parts = StringUtil.split(key, divider);
StringBuilder name = new StringBuilder();
for (String part : parts) {
part = part.toLowerCase(); // 始终小写，也方便反过来 ABCdEfg -> A_b_cd_Efg
if (firstCase != null) {
// 始终小写, A_b_cd_Efg -> ABCdEfg, firstCase ? part.toLowerCase() : part.toUpperCase();
part = StringUtil.firstCase(part, firstCase);
}
name.append(part);
}
return name.toString();
}
}