/
AbstractObjectParser.java
executable file
·1262 lines (1046 loc) · 42.6 KB
/
AbstractObjectParser.java
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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.orm;
import apijson.JSONResponse;
import apijson.Log;
import apijson.NotNull;
import apijson.RequestMethod;
import apijson.StringUtil;
import apijson.orm.AbstractFunctionParser.FunctionBean;
import apijson.orm.exception.ConflictException;
import apijson.orm.exception.CommonException;
import apijson.orm.exception.NotExistException;
import apijson.orm.exception.UnsupportedDataTypeException;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.serializer.SerializerFeature;
import java.rmi.ServerException;
import java.util.*;
import java.util.Map.Entry;
import static apijson.JSONObject.KEY_COMBINE;
import static apijson.JSONObject.KEY_DROP;
import static apijson.JSONObject.KEY_TRY;
import static apijson.RequestMethod.POST;
import static apijson.RequestMethod.PUT;
import static apijson.orm.SQLConfig.TYPE_ITEM;
import static apijson.RequestMethod.GET;
/**简化Parser，getObject和getArray(getArrayConfig)都能用
* @author Lemon
*/
public abstract class AbstractObjectParser<T extends Object> implements ObjectParser<T> {
private static final String TAG = "AbstractObjectParser";
@NotNull
protected AbstractParser<T> parser;
@Override
public AbstractParser<T> getParser() {
return parser;
}
@Override
public AbstractObjectParser<T> setParser(Parser<T> parser) {
this.parser = (AbstractParser<T>) parser;
return this;
}
protected JSONObject request;//不用final是为了recycle
protected String parentPath;//不用final是为了recycle
protected SQLConfig<T> arrayConfig;//不用final是为了recycle
protected boolean isSubquery;
protected final int type;
protected final String arrayTable;
protected final List<Join> joinList;
protected final boolean isTable;
protected final boolean isArrayMainTable;
protected final boolean tri;
/**
* TODO Parser内要不因为 非 TYPE_ITEM_CHILD_0 的Table 为空导致后续中断。
*/
protected final boolean drop;
/**for single object
*/
public AbstractObjectParser(@NotNull JSONObject request, String parentPath, SQLConfig arrayConfig
, boolean isSubquery, boolean isTable, boolean isArrayMainTable) throws Exception {
if (request == null) {
throw new IllegalArgumentException(TAG + ".ObjectParser request == null!!!");
}
this.request = request;
this.parentPath = parentPath;
this.arrayConfig = arrayConfig;
this.isSubquery = isSubquery;
this.type = arrayConfig == null ? 0 : arrayConfig.getType();
this.arrayTable = arrayConfig == null ? null : arrayConfig.getTable();
this.joinList = arrayConfig == null ? null : arrayConfig.getJoinList();
this.isTable = isTable; // apijson.JSONObject.isTableKey(table);
this.isArrayMainTable = isArrayMainTable; // isSubquery == false && this.isTable && this.type == SQLConfig.TYPE_ITEM_CHILD_0 && RequestMethod.isGetMethod(method, true);
// this.isReuse = isReuse; // isArrayMainTable && arrayConfig != null && arrayConfig.getPosition() > 0;
this.objectCount = 0;
this.arrayCount = 0;
boolean isEmpty = request.isEmpty();//empty有效 User:{}
if (isEmpty) {
this.tri = false;
this.drop = false;
}
else {
this.tri = request.getBooleanValue(KEY_TRY);
this.drop = request.getBooleanValue(KEY_DROP);
request.remove(KEY_TRY);
request.remove(KEY_DROP);
}
if (isTable) {
String raw = request.getString(JSONRequest.KEY_RAW);
String[] rks = StringUtil.split(raw);
rawKeyList = rks == null || rks.length <= 0 ? null : Arrays.asList(rks);
}
}
@Override
public String getParentPath() {
return parentPath;
}
@Override
public AbstractObjectParser setParentPath(String parentPath) {
this.parentPath = parentPath;
return this;
}
protected int position;
public int getPosition() {
return position;
}
public AbstractObjectParser setPosition(int position) {
this.position = position;
return this;
}
private boolean invalidate = false;
public void invalidate() {
invalidate = true;
}
public boolean isInvalidate() {
return invalidate;
}
private boolean breakParse = false;
public void breakParse() {
breakParse = true;
}
public boolean isBreakParse() {
return breakParse || isInvalidate();
}
protected String name;
protected String table;
protected String alias;
protected boolean isReuse;
protected String path;
protected JSONObject response;
protected JSONObject sqlRequest;
protected JSONObject sqlResponse;
/**
* 自定义关键词
*/
protected Map<String, Object> customMap;
/**
* 远程函数
* {"-":{ "key-()":value }, "0":{ "key()":value }, "+":{ "key+()":value } }
* - : 在executeSQL前解析
* 0 : 在executeSQL后、onChildParse前解析
* + : 在onChildParse后解析
*/
protected Map<String, Map<String, String>> functionMap;
/**
* 子对象
*/
protected Map<String, JSONObject> childMap;
private int objectCount;
private int arrayCount;
private List<String> rawKeyList;
/**解析成员
* response重新赋值
* @return null or this
* @throws Exception
*/
@Override
public AbstractObjectParser parse(String name, boolean isReuse) throws Exception {
if (isInvalidate() == false) {
this.isReuse = isReuse;
this.name = name;
this.path = AbstractParser.getAbsPath(parentPath, name);
apijson.orm.Entry<String, String> tentry = Pair.parseEntry(name, true);
this.table = tentry.getKey();
this.alias = tentry.getValue();
Log.d(TAG, "AbstractObjectParser parentPath = " + parentPath + "; name = " + name + "; table = " + table + "; alias = " + alias);
Log.d(TAG, "AbstractObjectParser type = " + type + "; isTable = " + isTable + "; isArrayMainTable = " + isArrayMainTable);
Log.d(TAG, "AbstractObjectParser isEmpty = " + request.isEmpty() + "; tri = " + tri + "; drop = " + drop);
breakParse = false;
response = new JSONObject(true); // must init
sqlResponse = null; // must init
if (isReuse == false) {
sqlRequest = new JSONObject(true); // must init
customMap = null; // must init
functionMap = null; // must init
childMap = null; // must init
Set<Entry<String, Object>> set = request.isEmpty() ? null : new LinkedHashSet<>(request.entrySet());
if (set != null && set.isEmpty() == false) { // 判断换取少几个变量的初始化是否值得？
if (isTable) { // 非Table下必须保证原有顺序！否则 count,page 会丢, total@:"/[]/total" 会在[]:{}前执行！
customMap = new LinkedHashMap<String, Object>();
childMap = new LinkedHashMap<String, JSONObject>();
}
functionMap = new LinkedHashMap<String, Map<String, String>>();//必须执行
// 条件 <<<<<<<<<<<<<<<<<<<
List<String> whereList = null;
if (method == PUT) { // 这里只有PUTArray需要处理 || method == DELETE) {
String[] combine = StringUtil.split(request.getString(KEY_COMBINE));
if (combine != null) {
String w;
for (int i = 0; i < combine.length; i++) { // 去除 &,|,! 前缀
w = combine[i];
if (w != null && (w.startsWith("&") || w.startsWith("|") || w.startsWith("!"))) {
combine[i] = w.substring(1);
}
}
}
// Arrays.asList() 返回值不支持 add 方法！
whereList = new ArrayList<String>(Arrays.asList(combine != null ? combine : new String[]{}));
whereList.add(apijson.JSONRequest.KEY_ID);
whereList.add(apijson.JSONRequest.KEY_ID_IN);
// whereList.add(apijson.JSONRequest.KEY_USER_ID);
// whereList.add(apijson.JSONRequest.KEY_USER_ID_IN);
}
// 条件>>>>>>>>>>>>>>>>>>>
int index = 0;
// hasOtherKeyNotFun = false;
for (Entry<String, Object> entry : set) {
if (isBreakParse()) {
break;
}
String key = entry == null ? null : entry.getKey();
Object value = key == null ? null : entry.getValue();
if (value == null) {
continue;
}
// 处理url crud, 将crud 转换为真实method
RequestMethod _method = this.parser.getRealMethod(method, key, value);
// 没有执行校验流程的情况,比如url head, sql@子查询, sql@ method=GET
Object obj = key.endsWith("@") ? request.get(key) : null;
if (obj instanceof JSONObject) {
((JSONObject) obj).put(apijson.JSONObject.KEY_METHOD, GET);
}
try {
boolean startsWithAt = key.startsWith("@");
// if (startsWithAt || (key.endsWith("()") == false)) {
// hasOtherKeyNotFun = true;
// }
if (startsWithAt || key.endsWith("@") || (key.endsWith("<>") && value instanceof JSONObject)) {
if (onParse(key, value) == false) {
invalidate();
}
}
else if (value instanceof JSONObject) { // JSONObject，往下一级提取
if (childMap != null) { // 添加到childMap，最后再解析
childMap.put(key, (JSONObject)value);
}
else { // 直接解析并替换原来的，[]:{} 内必须直接解析，否则会因为丢掉count等属性，并且total@:"/[]/total"必须在[]:{} 后！
response.put(key, onChildParse(index, key, (JSONObject)value));
index ++;
}
}
else if ((_method == POST || _method == PUT) && value instanceof JSONArray
&& JSONRequest.isTableArray(key)) { // JSONArray，批量新增或修改，往下一级提取
onTableArrayParse(key, (JSONArray) value);
}
else if (_method == PUT && value instanceof JSONArray && (whereList == null || whereList.contains(key) == false)
&& StringUtil.isName(key.replaceFirst("[+-]$", ""))) { // PUT JSONArray
onPUTArrayParse(key, (JSONArray) value);
}
else { // JSONArray 或其它 Object，直接填充
if (onParse(key, value) == false) {
invalidate();
}
}
} catch (Exception e) {
if (tri == false) {
throw CommonException.wrap(e, sqlConfig); // 不忽略错误，抛异常
}
invalidate(); // 忽略错误，还原request
}
}
}
if (isTable) {
if (parser.getGlobalDatabase() != null && sqlRequest.get(JSONRequest.KEY_DATABASE) == null) {
sqlRequest.put(JSONRequest.KEY_DATABASE, parser.getGlobalDatabase());
}
if (parser.getGlobalSchema() != null && sqlRequest.get(JSONRequest.KEY_SCHEMA) == null) {
sqlRequest.put(JSONRequest.KEY_SCHEMA, parser.getGlobalSchema());
}
if (parser.getGlobalDatasource() != null && sqlRequest.get(JSONRequest.KEY_DATASOURCE) == null) {
sqlRequest.put(JSONRequest.KEY_DATASOURCE, parser.getGlobalDatasource());
}
if (isSubquery == false) { // 解决 SQL 语法报错，子查询不能 EXPLAIN
if (parser.getGlobalExplain() != null && sqlRequest.get(JSONRequest.KEY_EXPLAIN) == null) {
sqlRequest.put(JSONRequest.KEY_EXPLAIN, parser.getGlobalExplain());
}
if (parser.getGlobalCache() != null && sqlRequest.get(JSONRequest.KEY_CACHE) == null) {
sqlRequest.put(JSONRequest.KEY_CACHE, parser.getGlobalCache());
}
}
}
}
if (isTable) { // 非Table内的函数会被滞后在onChildParse后调用
onFunctionResponse("-");
}
}
if (isInvalidate()) {
recycle();
return null;
}
return this;
}
//private boolean hasOtherKeyNotFun = false;
/**解析普通成员
* @param key
* @param value
* @return whether parse succeed
*/
@Override
public boolean onParse(@NotNull String key, @NotNull Object value) throws Exception {
if (key.endsWith("@")) { // StringUtil.isPath((String) value)) {
// [] 内主表 position > 0 时，用来生成 SQLConfig 的键值对全都忽略，不解析
if (value instanceof JSONObject) { // key{}@ getRealKey, SQL 子查询对象，JSONObject -> SQLConfig.getSQL
String replaceKey = key.substring(0, key.length() - 1);
JSONObject subquery = (JSONObject) value;
String range = subquery.getString(JSONRequest.KEY_SUBQUERY_RANGE);
if (range != null && JSONRequest.SUBQUERY_RANGE_ALL.equals(range) == false
&& JSONRequest.SUBQUERY_RANGE_ANY.equals(range) == false) {
throw new IllegalArgumentException("子查询 " + path + "/" + key + ":{ range:value } 中 value 只能为 ["
+ JSONRequest.SUBQUERY_RANGE_ALL + ", " + JSONRequest.SUBQUERY_RANGE_ANY + "] 中的一个！");
}
JSONArray arr = parser.onArrayParse(subquery, path, key, true);
JSONObject obj = arr == null || arr.isEmpty() ? null : arr.getJSONObject(0);
if (obj == null) {
throw new Exception("服务器内部错误，解析子查询 " + path + "/" + key + ":{ } 为 Subquery 对象失败！");
}
String from = subquery.getString(JSONRequest.KEY_SUBQUERY_FROM);
boolean isEmpty = StringUtil.isEmpty(from);
JSONObject arrObj = isEmpty ? null : obj.getJSONObject(from);
if (isEmpty) {
Set<Entry<String, Object>> set = obj.entrySet();
for (Entry<String, Object> e : set) {
String k = e == null ? null : e.getKey();
Object v = k == null ? null : e.getValue();
if (v instanceof JSONObject && JSONRequest.isTableKey(k)) {
from = k;
arrObj = (JSONObject) v;
break;
}
}
}
if (arrObj == null) {
throw new IllegalArgumentException("子查询 " + path + "/"
+ key + ":{ from:value } 中 value 对应的主表对象 " + from + ":{} 不存在！");
}
SQLConfig cfg = (SQLConfig) arrObj.get(AbstractParser.KEY_CONFIG);
if (cfg == null) {
throw new NotExistException(TAG + ".onParse cfg == null");
}
Subquery s = new Subquery();
s.setPath(path);
s.setOriginKey(key);
s.setOriginValue(subquery);
s.setFrom(from);
s.setRange(range);
s.setKey(replaceKey);
s.setConfig(cfg);
key = replaceKey;
value = s; //(range == null || range.isEmpty() ? "" : "range") + "(" + cfg.getSQL(false) + ") ";
parser.putQueryResult(AbstractParser.getAbsPath(path, key), s); //字符串引用保证不了安全性 parser.getSQL(cfg));
}
else if (value instanceof String) { // //key{}@ getRealKey, 引用赋值路径
String replaceKey = key.substring(0, key.length() - 1);
// System.out.println("getObject key.endsWith(@) >> parseRelation = " + parseRelation);
String targetPath = AbstractParser.getValuePath(type == TYPE_ITEM ? path : parentPath, (String) value);
// 先尝试获取，尽量保留缺省依赖路径，这样就不需要担心路径改变
Object target = onReferenceParse(targetPath);
Log.i(TAG, "onParse targetPath = " + targetPath + "; target = " + target);
if (target == null) { // String#equals(null)会出错
Log.d(TAG, "onParse target == null >> return true;");
if (Log.DEBUG) {
parser.putWarnIfNeed(AbstractParser.KEY_REF, path + "/" + key + ": " + targetPath + " 引用赋值获取路径对应的值为 null！请检查路径是否错误！");
}
// 非查询关键词 @key 不影响查询，直接跳过
if (isTable && (key.startsWith("@") == false || JSONRequest.TABLE_KEY_LIST.contains(key))) {
Log.e(TAG, "onParse isTable && (key.startsWith(@) == false"
+ " || JSONRequest.TABLE_KEY_LIST.contains(key)) >> return null;");
return false; // 获取不到就不用再做无效的 query 了。不考虑 Table:{Table:{}} 嵌套
}
Log.d(TAG, "onParse isTable(table) == false >> return true;");
return true; // 舍去，对Table无影响
}
// if (target instanceof Map) { // target 可能是从 requestObject 里取出的 {}
// if (isTable || targetPath.endsWith("[]/" + JSONResponse.KEY_INFO) == false) {
// Log.d(TAG, "onParse target instanceof Map >> return false;");
// return false; // FIXME 这个判断现在来看是否还有必要？为啥不允许为 JSONObject ？以前可能因为防止二次遍历再解析，现在只有一次遍历
// }
// }
//
// // FIXME 这个判断现在来看是否还有必要？为啥不允许为 JSONObject ？以前可能因为防止二次遍历再解析，现在只有一次遍历
// if (targetPath.equals(target)) { // 必须 valuePath 和保证 getValueByPath 传进去的一致！
// Log.d(TAG, "onParse targetPath.equals(target) >>");
//
// //非查询关键词 @key 不影响查询，直接跳过
// if (isTable && (key.startsWith("@") == false || JSONRequest.TABLE_KEY_LIST.contains(key))) {
// Log.e(TAG, "onParse isTable && (key.startsWith(@) == false"
// + " || JSONRequest.TABLE_KEY_LIST.contains(key)) >> return null;");
// return false;//获取不到就不用再做无效的query了。不考虑 Table:{Table:{}}嵌套
// } else {
// Log.d(TAG, "onParse isTable(table) == false >> return true;");
// return true;//舍去，对Table无影响
// }
// }
// 直接替换原来的 key@: path 为 key: target
Log.i(TAG, "onParse >> key = replaceKey; value = target;");
key = replaceKey;
value = target;
Log.d(TAG, "onParse key = " + key + "; value = " + value);
}
else {
throw new IllegalArgumentException(path + "/" + key + ":value 中 value 必须为 依赖路径String 或 SQL子查询JSONObject ！");
}
}
if (key.endsWith("()")) {
if (value instanceof String == false) {
throw new IllegalArgumentException(path + "/" + key + ":value 中 value 必须为函数String！");
}
String k = key.substring(0, key.length() - 2);
String type; //远程函数比较少用，一般一个Table:{}内用到也就一两个，所以这里用 "-","0","+" 更直观，转用 -1,0,1 对性能提升不大。
boolean isMinus = k.endsWith("-");
boolean isPlus = isMinus == false && k.endsWith("+");
if (isMinus) { //不能封装到functionMap后批量执行，否则会导致非Table内的 key-():function() 在onChildParse后执行！
type = "-";
k = k.substring(0, k.length() - 1);
}
else if (isPlus) {
type = "+";
k = k.substring(0, k.length() - 1);
}
else {
type = "0";
}
if (isPlus == false && isTable == false) {
parseFunction(key, k, (String) value, this.type == TYPE_ITEM ? path : parentPath, name, request, isMinus);
}
else {
//远程函数比较少用，一般一个Table:{}内用到也就一两个，所以这里循环里new出来对性能影响不大。
Map<String, String> map = functionMap.get(type);
if (map == null) {
map = new LinkedHashMap<>();
}
map.put(k, (String) value);
functionMap.put(type, map);
}
}
else if (isTable && key.startsWith("@") && JSONRequest.TABLE_KEY_LIST.contains(key) == false) {
customMap.put(key, value);
}
else {
sqlRequest.put(key, value);
}
return true;
}
/**
* @param index
* @param key
* @param value
* @return
* @throws Exception
*/
@Override
public JSON onChildParse(int index, String key, JSONObject value) throws Exception {
boolean isFirst = index <= 0;
boolean isMain = isFirst && type == TYPE_ITEM;
JSON child;
boolean isEmpty;
if (apijson.JSONObject.isArrayKey(key)) {//APIJSON Array
if (isMain) {
throw new IllegalArgumentException(parentPath + "/" + key + ":{} 不合法！"
+ "数组 []:{} 中第一个 key:{} 必须是主表 TableKey:{} ！不能为 arrayKey[]:{} ！");
}
if (arrayConfig == null || arrayConfig.getPosition() == 0) {
arrayCount ++;
int maxArrayCount = parser.getMaxArrayCount();
if (arrayCount > maxArrayCount) {
throw new IllegalArgumentException(path + " 内截至 " + key + ":{} 时数组对象 key[]:{} "
+ "的数量达到 " + arrayCount + " 已超限，必须在 0-" + maxArrayCount + " 内 !");
}
}
child = parser.onArrayParse(value, path, key, isSubquery);
isEmpty = child == null || ((JSONArray) child).isEmpty();
}
else { //APIJSON Object
boolean isTableKey = JSONRequest.isTableKey(Pair.parseEntry(key, true).getKey());
if (type == TYPE_ITEM && isTableKey == false) {
throw new IllegalArgumentException(parentPath + "/" + key + ":{} 不合法！"
+ "数组 []:{} 中每个 key:{} 都必须是表 TableKey:{} 或 数组 arrayKey[]:{} ！");
}
if ( //避免使用 "test":{"Test":{}} 绕过限制，实现查询爆炸 isTableKey &&
(arrayConfig == null || arrayConfig.getPosition() == 0)) {
objectCount ++;
int maxObjectCount = parser.getMaxObjectCount();
if (objectCount > maxObjectCount) { //TODO 这里判断是批量新增/修改，然后上限为 maxUpdateCount
throw new IllegalArgumentException(path + " 内截至 " + key + ":{} 时对象"
+ " key:{} 的数量达到 " + objectCount + " 已超限，必须在 0-" + maxObjectCount + " 内 !");
}
}
child = parser.onObjectParse(value, path, key, isMain ? arrayConfig.setType(SQLConfig.TYPE_ITEM_CHILD_0) : null, isSubquery);
isEmpty = child == null || ((JSONObject) child).isEmpty();
if (isFirst && isEmpty) {
invalidate();
}
}
// Log.i(TAG, "onChildParse ObjectParser.onParse key = " + key + "; child = " + child);
return isEmpty ? null : child;//只添加! isChildEmpty的值，可能数据库返回数据不够count
}
//TODO 改用 MySQL json_add,json_remove,json_contains 等函数！不过就没有具体报错了，或许可以新增功能符，或者直接调 SQL 函数
/**PUT key:[]
* @param key
* @param array
* @throws Exception
*/
@Override
public void onPUTArrayParse(@NotNull String key, @NotNull JSONArray array) throws Exception {
if (isTable == false || array.isEmpty()) {
sqlRequest.put(key, array);
Log.e(TAG, "onPUTArrayParse isTable == false || array == null || array.isEmpty() >> return;");
return;
}
int putType = 0;
if (key.endsWith("+")) {//add
putType = 1;
} else if (key.endsWith("-")) {//remove
putType = 2;
} else {//replace
sqlRequest.put(key, array);
return;
}
String realKey = AbstractSQLConfig.getRealKey(method, key, false, false);
//GET > add all 或 remove all > PUT > remove key
//GET <<<<<<<<<<<<<<<<<<<<<<<<<
JSONObject rq = new JSONObject(true);
rq.put(JSONRequest.KEY_ID, request.get(JSONRequest.KEY_ID));
rq.put(JSONRequest.KEY_COLUMN, realKey);
JSONObject rp = parseResponse(RequestMethod.GET, table, null, rq, null, false);
//GET >>>>>>>>>>>>>>>>>>>>>>>>>
//add all 或 remove all <<<<<<<<<<<<<<<<<<<<<<<<<
Object target = rp == null ? null : rp.get(realKey);
if (target instanceof String) {
try {
target = JSON.parse((String) target);
} catch (Throwable e) {
if (Log.DEBUG) {
Log.e(TAG, "try {\n" +
"\t\t\t\ttarget = JSON.parse((String) target);\n" +
"\t\t\t}\n" +
"\t\t\tcatch (Throwable e) = " + e.getMessage());
}
}
}
if (apijson.JSON.isBooleanOrNumberOrString(target)) {
throw new NullPointerException("PUT " + path + ", " + realKey + " 类型为 " + target.getClass().getSimpleName() + "，"
+ "不支持 Boolean, String, Number 等类型字段使用 'key+': [] 或 'key-': [] ！"
+ "对应字段在数据库的值必须为 JSONArray, JSONObject 中的一种！"
+ "值为 JSONObject 类型时传参必须是 'key+': [{'key': value, 'key2': value2}] 或 'key-': ['key', 'key2'] ！"
);
}
boolean isAdd = putType == 1;
Collection<Object> targetArray = target instanceof Collection ? (Collection<Object>) target : null;
Map<String, ?> targetObj = target instanceof Map ? (Map<String, Object>) target : null;
if (targetArray == null && targetObj == null) {
if (isAdd == false) {
throw new NullPointerException("PUT " + path + ", " + realKey + (target == null ? " 值为 null，不支持移除！"
: " 类型为 " + target.getClass().getSimpleName() + "，不支持这样移除！")
+ "对应字段在数据库的值必须为 JSONArray, JSONObject 中的一种，且 key- 移除时，本身的值不能为 null！"
+ "值为 JSONObject 类型时传参必须是 'key+': [{'key': value, 'key2': value2}] 或 'key-': ['key', 'key2'] ！"
);
}
targetArray = new JSONArray();
}
for (int i = 0; i < array.size(); i++) {
Object obj = array.get(i);
if (obj == null) {
continue;
}
if (isAdd) {
if (targetArray != null) {
if (targetArray.contains(obj)) {
throw new ConflictException("PUT " + path + ", " + key + "/" + i + " 已存在！");
}
targetArray.add(obj);
} else {
if (obj != null && obj instanceof Map == false) {
throw new ConflictException("PUT " + path + ", " + key + "/" + i + " 必须为 JSONObject {} ！");
}
targetObj.putAll((Map) obj);
}
} else {
if (targetArray != null) {
if (targetArray.contains(obj) == false) {
throw new NullPointerException("PUT " + path + ", " + key + "/" + i + " 不存在！");
}
targetArray.remove(obj);
} else {
if (obj instanceof String == false) {
throw new ConflictException("PUT " + path + ", " + key + "/" + i + " 必须为 String 类型 ！");
}
if (targetObj.containsKey(obj) == false) {
throw new NullPointerException("PUT " + path + ", " + key + "/" + i + " 不存在！");
}
targetObj.remove(obj);
}
}
}
//add all 或 remove all >>>>>>>>>>>>>>>>>>>>>>>>>
//PUT <<<<<<<<<<<<<<<<<<<<<<<<<
sqlRequest.put(realKey, targetArray != null ? targetArray : JSON.toJSONString(targetObj, SerializerFeature.WriteMapNullValue));
//PUT >>>>>>>>>>>>>>>>>>>>>>>>>
}
@Override
public void onTableArrayParse(String key, JSONArray valueArray) throws Exception {
String childKey = key.substring(0, key.length() - JSONRequest.KEY_ARRAY.length());
int allCount = 0;
JSONArray ids = new JSONArray();
int version = parser.getVersion();
int maxUpdateCount = parser.getMaxUpdateCount();
SQLConfig cfg = null; // 不能污染当前的配置 getSQLConfig();
if (cfg == null) { // TODO 每次都创建成本比较高，是否新增 defaultInstance 或者 configInstance 用来专门 getIdKey 等？
cfg = parser.createSQLConfig();
}
String idKey = cfg.getIdKey(); //Table[]: [{}] arrayConfig 为 null
boolean isNeedVerifyContent = parser.isNeedVerifyContent();
cfg.setTable(childKey); // Request 表 structure 中配置 "ALLOW_PARTIAL_UPDATE_FAILED": "Table[],key[],key:alias[]" 自动配置
boolean allowPartialFailed = cfg.allowPartialUpdateFailed();
JSONArray failedIds = allowPartialFailed ? new JSONArray() : null;
int firstFailIndex = -1;
JSONObject firstFailReq = null;
Throwable firstFailThrow = null;
for (int i = 0; i < valueArray.size(); i++) { //只要有一条失败，则抛出异常，全部失败
//TODO 改成一条多 VALUES 的 SQL 性能更高，报错也更会更好处理，更人性化
JSONObject item;
try {
item = valueArray.getJSONObject(i);
if (item == null) {
throw new NullPointerException();
}
}
catch (Exception e) {
throw new UnsupportedDataTypeException(
"批量新增/修改失败！" + key + "/" + i + ":value 中value不合法！类型必须是 OBJECT ，结构为 {} !"
);
}
Object id = item.get(idKey);
JSONObject req = new JSONRequest(childKey, item);
JSONObject result = null;
try {
if (isNeedVerifyContent) {
req = parser.parseCorrectRequest(method, childKey, version, "", req, maxUpdateCount, parser);
}
//parser.getMaxSQLCount() ? 可能恶意调用接口，把数据库拖死
result = (JSONObject) onChildParse(0, "" + i, req);
}
catch (Exception e) {
if (allowPartialFailed == false) {
throw e;
}
if (firstFailThrow == null) {
firstFailThrow = e;
firstFailReq = valueArray.getJSONObject(i); // item
}
}
result = result == null ? null : result.getJSONObject(childKey);
boolean success = JSONResponse.isSuccess(result);
int count = result == null ? 0 : result.getIntValue(JSONResponse.KEY_COUNT);
if (id == null && result != null) {
id = result.get(idKey);
}
if (success == false || count != 1) { //如果 code = 200 但 count != 1，不能算成功，掩盖了错误不好排查问题
if (allowPartialFailed) {
failedIds.add(id);
if (firstFailIndex < 0) {
firstFailIndex = i;
}
}
else {
throw new ServerException(
"批量新增/修改失败！" + key + "/" + i + "：" + (success ? "成功但 count != 1 ！"
: (result == null ? "null" : result.getString(JSONResponse.KEY_MSG))
));
}
}
allCount += 1; // 加了 allowPartialFailed 后 count 可能为 0 allCount += count;
ids.add(id);
}
int failedCount = failedIds == null ? 0 : failedIds.size();
if (failedCount > 0 && failedCount >= allCount) {
throw new ServerException("批量新增/修改 " + key + ":[] 中 " + allCount + " 个子项全部失败！"
+ "第 " + firstFailIndex + " 项失败原因：" + (firstFailThrow == null ? "" : firstFailThrow.getMessage()));
}
JSONObject allResult = AbstractParser.newSuccessResult();
if (failedCount > 0) {
allResult.put("failedCount", failedCount);
allResult.put("failedIdList", failedIds);
JSONObject failObj = new JSONObject(true);
failObj.put("index", firstFailIndex);
failObj.put(childKey, firstFailReq);
if (firstFailThrow instanceof CommonException && firstFailThrow.getCause() != null) {
firstFailThrow = firstFailThrow.getCause();
}
JSONObject obj = firstFailThrow == null ? failObj : AbstractParser.extendErrorResult(failObj, firstFailThrow, parser.isRoot());
if (Log.DEBUG && firstFailThrow != null) {
obj.put("trace:throw", firstFailThrow.getClass().getName());
obj.put("trace:stack", firstFailThrow.getStackTrace());
}
allResult.put("firstFailed", obj);
}
allResult.put(JSONResponse.KEY_COUNT, allCount);
allResult.put(idKey + "[]", ids);
response.put(childKey, allResult); //不按原样返回，避免数据量过大
}
@Override
public JSONObject parseResponse(RequestMethod method, String table, String alias
, JSONObject request, List<Join> joinList, boolean isProcedure) throws Exception {
SQLConfig<T> config = newSQLConfig(method, table, alias, request, joinList, isProcedure)
.setParser(parser)
.setObjectParser(this);
return parseResponse(config, isProcedure);
}
@Override
public JSONObject parseResponse(SQLConfig<T> config, boolean isProcedure) throws Exception {
if (parser.getSQLExecutor() == null) {
parser.createSQLExecutor();
}
if (parser != null && config.getParser() == null) {
config.setParser(parser);
}
return parser.getSQLExecutor().execute(config, isProcedure);
}
@Override
public SQLConfig newSQLConfig(boolean isProcedure) throws Exception {
String raw = Log.DEBUG == false || sqlRequest == null ? null : sqlRequest.getString(apijson.JSONRequest.KEY_RAW);
String[] keys = raw == null ? null : StringUtil.split(raw);
if (keys != null && keys.length > 0) {
boolean allow = AbstractSQLConfig.ALLOW_MISSING_KEY_4_COMBINE;
for (String key : keys) {
if (sqlRequest.get(key) != null) {
continue;
}
String msg = "@raw:value 的 value 中 " + key + " 不合法！对应的 "
+ key + ": value 在当前对象 " + name + " 不存在或 value = null，无法有效转为原始 SQL 片段！";
if (allow == false) {
throw new UnsupportedOperationException(msg);
}
if (parser instanceof AbstractParser) {
((AbstractParser) parser).putWarnIfNeed(JSONRequest.KEY_RAW, msg);
}
break;
}
}
return newSQLConfig(method, table, alias, sqlRequest, joinList, isProcedure)
.setParser(parser)
.setObjectParser(this);
}
/**SQL 配置，for single object
* @return {@link #setSQLConfig(int, int, int)}
* @throws Exception
*/
@Override
public AbstractObjectParser setSQLConfig() throws Exception {
return setSQLConfig(RequestMethod.isQueryMethod(method) ? 1 : 0, 0, 0);
}
@Override
public AbstractObjectParser setSQLConfig(int count, int page, int position) throws Exception {
if (isTable == false || isReuse) {
return setPosition(position);
}
if (sqlConfig == null) {
try {
sqlConfig = newSQLConfig(false);
}
catch (Exception e) {
if (e instanceof NotExistException || (e instanceof CommonException && e.getCause() instanceof NotExistException)) {
return this;
}
throw e;
}
}
sqlConfig.setCount(sqlConfig.getCount() <= 0 ? count : sqlConfig.getCount()).setPage(page).setPosition(position);
parser.onVerifyRole(sqlConfig);
return this;
}
protected SQLConfig sqlConfig = null;//array item复用
/**SQL查询，for array item
* @return this
* @throws Exception
*/
@Override
public AbstractObjectParser executeSQL() throws Exception {
//执行SQL操作数据库
if (isTable == false) {//提高性能
sqlResponse = new JSONObject(sqlRequest);
}
else {
try {
sqlResponse = onSQLExecute();
}
catch (Exception e) {
if (e instanceof NotExistException || (e instanceof CommonException && e.getCause() instanceof NotExistException)) {
// Log.e(TAG, "getObject try { response = getSQLObject(config2); } catch (Exception e) {");
// if (e instanceof NotExistException) {//非严重异常，有时候只是数据不存在
// // e.printStackTrace();
sqlResponse = null;//内部吃掉异常，put到最外层
// requestObject.put(JSONResponse.KEY_MSG
// , StringUtil.getString(requestObject.get(JSONResponse.KEY_MSG)
// + "; query " + path + " cath NotExistException:"
// + newErrorResult(e).getString(JSONResponse.KEY_MSG)));
// } else {
// throw e;
// }
}
else {
throw e;
}
}
}
if (drop) {//丢弃Table，只为了向下提供条件
sqlResponse = null;
}
return this;
}
/**
* @return response
* @throws Exception
*/
@Override
public JSONObject response() throws Exception {
if (sqlResponse == null || sqlResponse.isEmpty()) {
if (isTable) {//Table自身都获取不到值，则里面的Child都无意义，不需要再解析
return null; // response;
}
} else {
response.putAll(sqlResponse);
}
//把isTable时取出去的custom重新添加回来
if (customMap != null) {
response.putAll(customMap);
}
onFunctionResponse("0");
onChildResponse();
onFunctionResponse("+");
onComplete();
return response;
}
@Override
public void onFunctionResponse(String type) throws Exception {
Map<String, String> map = functionMap == null ? null : functionMap.get(type);
//解析函数function
Set<Entry<String, String>> functionSet = map == null ? null : map.entrySet();