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·2026 lines (1777 loc) · 63 KB
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/*Copyright ©2016 TommyLemon(https://github.com/TommyLemon/APIJSON)
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.*/
package zuo.biao.apijson.server;
import static zuo.biao.apijson.JSONObject.KEY_COLUMN;
import static zuo.biao.apijson.JSONObject.KEY_COMBINE;
import static zuo.biao.apijson.JSONObject.KEY_DATABASE;
import static zuo.biao.apijson.JSONObject.KEY_GROUP;
import static zuo.biao.apijson.JSONObject.KEY_HAVING;
import static zuo.biao.apijson.JSONObject.KEY_ID;
import static zuo.biao.apijson.JSONObject.KEY_ID_IN;
import static zuo.biao.apijson.JSONObject.KEY_ORDER;
import static zuo.biao.apijson.JSONObject.KEY_ROLE;
import static zuo.biao.apijson.JSONObject.KEY_SCHEMA;
import static zuo.biao.apijson.JSONObject.KEY_USER_ID;
import static zuo.biao.apijson.JSONObject.KEY_USER_ID_IN;
import static zuo.biao.apijson.RequestMethod.DELETE;
import static zuo.biao.apijson.RequestMethod.GET;
import static zuo.biao.apijson.RequestMethod.GETS;
import static zuo.biao.apijson.RequestMethod.HEADS;
import static zuo.biao.apijson.RequestMethod.POST;
import static zuo.biao.apijson.RequestMethod.PUT;
import static zuo.biao.apijson.SQL.AND;
import static zuo.biao.apijson.SQL.NOT;
import static zuo.biao.apijson.SQL.OR;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.regex.Pattern;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.annotation.JSONField;
import com.sun.xml.internal.ws.util.StringUtils;
import zuo.biao.apijson.Log;
import zuo.biao.apijson.RequestMethod;
import zuo.biao.apijson.RequestRole;
import zuo.biao.apijson.SQL;
import zuo.biao.apijson.StringUtil;
import zuo.biao.apijson.server.exception.NotExistException;
import zuo.biao.apijson.server.model.Column;
import zuo.biao.apijson.server.model.Table;
/**config sql for JSON Request
* @author Lemon
*/
public abstract class AbstractSQLConfig implements SQLConfig {
private static final String TAG = "SQLConfig";
/**
* 表名映射，隐藏真实表名，对安全要求很高的表可以这么做
*/
public static final Map<String, String> TABLE_KEY_MAP;
static {
TABLE_KEY_MAP = new HashMap<String, String>();
TABLE_KEY_MAP.put(Table.class.getSimpleName(), Table.TAG);
TABLE_KEY_MAP.put(Column.class.getSimpleName(), Column.TAG);
}
private long id; //Table的id
private RequestMethod method; //操作方法
private boolean prepared = true; //预编译
private boolean main = true;
/**
* TODO 被关联的表通过就忽略关联的表？(这个不行 User:{"sex@":"/Comment/toId"})
*/
private RequestRole role; //发送请求的用户的角色
private String database; //表所在的数据库类型
private String schema; //表所在的数据库名
private String table; //表名
private String alias; //表别名
private String group; //分组方式的字符串数组，','分隔
private String having; //聚合函数的字符串数组，','分隔
private String order; //排序方式的字符串数组，','分隔
private String column; //表内字段名(或函数名，仅查询操作可用)的字符串数组，','分隔
private String values; //对应表内字段的值的字符串数组，','分隔
private Map<String, Object> content; //Request内容，key:value形式，column = content.keySet()，values = content.values()
private Map<String, Object> where; //筛选条件，key:value形式
private Map<String, List<String>> combine; //条件组合，{ "&":[key], "|":[key], "!":[key] }
//array item <<<<<<<<<<
private int count; //Table数量
private int page; //Table所在页码
private int position; //Table在[]中的位置
private int query; //JSONRequest.query
private int type; //ObjectParser.type
private List<Join> joinList; //joinList
//array item >>>>>>>>>>
private boolean test; //测试
private boolean cacheStatic; //静态缓存
public AbstractSQLConfig(RequestMethod method) {
setMethod(method);
}
public AbstractSQLConfig(RequestMethod method, String table) {
this(method);
setTable(table);
}
public AbstractSQLConfig(RequestMethod method, int count, int page) {
this(method);
setCount(count);
setPage(page);
}
@NotNull
@Override
public RequestMethod getMethod() {
if (method == null) {
method = GET;
}
return method;
}
@Override
public AbstractSQLConfig setMethod(RequestMethod method) {
this.method = method;
return this;
}
@Override
public boolean isPrepared() {
return prepared;
}
@Override
public AbstractSQLConfig setPrepared(boolean prepared) {
this.prepared = prepared;
return this;
}
@Override
public boolean isMain() {
return main;
}
@Override
public AbstractSQLConfig setMain(boolean main) {
this.main = main;
return this;
}
@Override
public long getId() {
return id;
}
@Override
public AbstractSQLConfig setId(long id) {
this.id = id;
return this;
}
@Override
public RequestRole getRole() {
//不能 @NotNull , AbstractParser#getSQLObject 内当getRole() == null时填充默认值
return role;
}
public AbstractSQLConfig setRole(String roleName) throws Exception {
return setRole(RequestRole.get(roleName));
}
@Override
public AbstractSQLConfig setRole(RequestRole role) {
this.role = role;
return this;
}
@Override
public String getDatabase() {
return database;
}
@Override
public SQLConfig setDatabase(String database) {
this.database = database;
return this;
}
@Override
public String getSchema() {
String sqlTable = getSQLTable();
if (sqlTable != null && sqlTable.startsWith("`")) {
return SCHEMA_INFORMATION;
}
return schema;
}
@Override
public AbstractSQLConfig setSchema(String schema) {
if (schema != null) {
String s = schema.startsWith("`") && schema.endsWith("`") ? schema.substring(1, schema.length() - 1) : schema;
if (StringUtil.isName(s) == false) {
throw new IllegalArgumentException("@schema:value 中value必须是1个单词！");
}
}
this.schema = schema;
return this;
}
/**请求传进来的Table名
* @return
* @see {@link #getSQLTable()}
*/
@Override
public String getTable() {
return table;
}
/**数据库里的真实Table名
* 通过 {@link #TABLE_KEY_MAP} 映射
* @return
*/
@JSONField(serialize = false)
@Override
public String getSQLTable() {
return (TABLE_KEY_MAP.containsKey(table) ? TABLE_KEY_MAP.get(table) : table)
+ ( isKeyPrefix() ? " AS " + getAlias() : "");
}
@JSONField(serialize = false)
@Override
public String getTablePath() {
return getSchema() + "." + getSQLTable();
}
@Override
public AbstractSQLConfig setTable(String table) { //Table已经在Parser中校验，所以这里不用防SQL注入
this.table = table;
return this;
}
@Override
public String getAlias() {
if (StringUtil.isEmpty(alias, true)) {
alias = getTable();
}
return alias;
}
@Override
public AbstractSQLConfig setAlias(String alias) {
this.alias = alias;
return this;
}
@Override
public String getGroup() {
return group;
}
public AbstractSQLConfig setGroup(String... keys) {
return setGroup(StringUtil.getString(keys));
}
@Override
public AbstractSQLConfig setGroup(String group) {
this.group = group;
return this;
}
@JSONField(serialize = false)
public String getGroupString() {
//TODO 加上子表的group
group = StringUtil.getTrimedString(group);
if (group.isEmpty()) {
return "";
}
String[] keys = StringUtil.split(group);
if (keys == null || keys.length <= 0) {
return "";
}
for (int i = 0; i < keys.length; i++) {
if (isPrepared()) { //不能通过 ? 来代替，因为SQLExecutor statement.setString后 GROUP BY 'userId' 有单引号，只能返回一条数据，必须去掉单引号才行！
if (StringUtil.isName(keys[i]) == false) {
throw new IllegalArgumentException("@group:value 中 value里面用 , 分割的每一项都必须是1个单词！并且不要有空格！");
}
}
keys[i] = getKey(keys[i]);
}
return " GROUP BY " + StringUtil.getString(keys);
}
@Override
public String getHaving() {
return having;
}
public AbstractSQLConfig setHaving(String... conditions) {
return setHaving(StringUtil.getString(conditions));
}
@Override
public AbstractSQLConfig setHaving(String having) {
this.having = having;
return this;
}
/**
* @return HAVING conditoin0 AND condition1 OR condition2 ...
*/
@JSONField(serialize = false)
public String getHavingString() {
having = StringUtil.getTrimedString(having);
if(having.isEmpty()) {
return "";
}
String[] keys = StringUtil.split(having, ";");
if (keys == null || keys.length <= 0) {
return "";
}
String expression;
String method;
//暂时不允许 String prefix;
String suffix;
//fun0(arg0,arg1,...);fun1(arg0,arg1,...)
for (int i = 0; i < keys.length; i++) {
//fun(arg0,arg1,...)
expression = keys[i];
int start = expression.indexOf("(");
if (start < 0) {
if (isPrepared() && PATTERN_HAVING.matcher(expression).matches() == false) {
throw new UnsupportedOperationException("字符串 " + expression + " 不合法！"
+ "预编译模式下 @having:\"column?value;function(arg0,arg1,...)?value...\""
+ " 中 column?value 必须符合正则表达式 ^[A-Za-z0-9%!=<>]+$ ！不允许空格！");
}
continue;
}
int end = expression.indexOf(")");
if (start >= end) {
throw new IllegalArgumentException("字符 " + expression + " 不合法！"
+ "@having:value 中 value 里的 SQL函数必须为 function(arg0,arg1,...) 这种格式！");
}
method = expression.substring(0, start);
if (StringUtil.isName(method) == false) {
throw new IllegalArgumentException("字符 " + method + " 不合法！"
+ "预编译模式下 @having:\"column?value;function(arg0,arg1,...)?value...\""
+ " 中SQL函数名 function 必须符合正则表达式 ^[0-9a-zA-Z_]+$ ！");
}
suffix = expression.substring(end + 1, expression.length());
if (isPrepared() && PATTERN_HAVING_SUFFIX.matcher((String) suffix).matches() == false) {
throw new UnsupportedOperationException("字符串 " + suffix + " 不合法！"
+ "预编译模式下 @having:\"column?value;function(arg0,arg1,...)?value...\""
+ " 中 ?value 必须符合正则表达式 ^[0-9%!=<>]+$ ！不允许空格！");
}
String[] ckeys = StringUtil.split(expression.substring(start + 1, end));
if (ckeys != null) {
for (int j = 0; j < ckeys.length; j++) {
if (isPrepared() && (StringUtil.isName(ckeys[j]) == false || ckeys[j].startsWith("_"))) {
throw new IllegalArgumentException("字符 " + ckeys[j] + " 不合法！"
+ "预编译模式下 @having:\"column?value;function(arg0,arg1,...)?value...\""
+ " 中所有 arg 都必须是1个不以 _ 开头的单词！并且不要有空格！");
}
ckeys[j] = getKey(ckeys[j]);
}
}
keys[i] = method + "(" + StringUtil.getString(ckeys) + ")" + suffix;
}
return " HAVING " + StringUtil.getString(keys, AND); //TODO 支持 OR, NOT 参考 @combine:"&key0,|key1,!key2"
}
@Override
public String getOrder() {
return order;
}
public AbstractSQLConfig setOrder(String... conditions) {
return setOrder(StringUtil.getString(conditions));
}
@Override
public AbstractSQLConfig setOrder(String order) {
this.order = order;
return this;
}
@JSONField(serialize = false)
public String getOrderString() {
//TODO 加上子表的order
order = StringUtil.getTrimedString(order);
if (order.isEmpty()) {
return "";
}
if (order.contains("+")) {//replace没有包含的replacement会崩溃
order = order.replaceAll("\\+", " ASC ");
}
if (order.contains("-")) {
order = order.replaceAll("-", " DESC ");
}
//TODO column, order, group 都改用 List<String> 存储！！！，并且每个字段都要加 Table. 前缀！
String[] keys = StringUtil.split(order);
if (keys == null || keys.length <= 0) {
return "";
}
String origin;
String sort;
int index;
for (int i = 0; i < keys.length; i++) {
index = keys[i].trim().endsWith(" ASC") ? keys[i].lastIndexOf(" ASC") : -1; //StringUtil.split返回数组中，子项不会有null
if (index < 0) {
index = keys[i].trim().endsWith(" DESC") ? keys[i].lastIndexOf(" DESC") : -1;
sort = index <= 0 ? "" : " DESC ";
} else {
sort = " ASC ";
}
origin = index < 0 ? keys[i] : keys[i].substring(0, index);
if (isPrepared()) { //不能通过 ? 来代替，SELECT 'id','name' 返回的就是 id:"id", name:"name"，而不是数据库里的值！
//这里既不对origin trim，也不对 ASC/DESC ignoreCase，希望前端严格传没有任何空格的字符串过来，减少传输数据量，节约服务器性能
if (StringUtil.isName(origin) == false) {
throw new IllegalArgumentException("预编译模式下 @order:value 中 value里面用 , 分割的每一项"
+ " column+ / column- 中 column必须是1个单词！并且不要有多余的空格！");
}
}
keys[i] = getKey(origin) + sort;
}
return " ORDER BY " + StringUtil.getString(keys);
}
@Override
public String getColumn() {
return column;
}
public AbstractSQLConfig setColumn(String... keys) {
return setColumn(StringUtil.getString(keys));
}
@Override
public AbstractSQLConfig setColumn(String column) {
this.column = column;
return this;
}
@JSONField(serialize = false)
public String getColumnString() throws Exception {
switch (getMethod()) {
case HEAD:
case HEADS: //StringUtil.isEmpty(column, true) || column.contains(",") 时SQL.count(column)会return "*"
if (isPrepared() && StringUtil.isEmpty(column, true) == false
&& column.contains(",") == false && StringUtil.isName(column) == false) {
throw new IllegalArgumentException("HEAD请求: @column:value 中 value里面用 , 分割的每一项都必须是1个单词！");
}
return SQL.count(column);
case POST:
if (StringUtil.isEmpty(column, true)) {
throw new NotExistException(TAG + "getColumnString getMethod() = POST"
+ " >> StringUtil.isEmpty(column, true)");
}
if (isPrepared()) { //不能通过 ? 来代替，SELECT 'id','name' 返回的就是 id:"id", name:"name"，而不是数据库里的值！
String[] keys = StringUtil.split(column);
if (keys != null && keys.length > 0) {
for (int i = 0; i < keys.length; i++) {
if (StringUtil.isName(keys[i]) == false) {
throw new IllegalArgumentException("POST请求: 每一个 key:value 中的key都必须是1个单词！");
}
}
}
}
return "(" + column + ")";
case GET:
case GETS: //TODO 支持SQL函数 json_length(contactIdList):contactCount
boolean isQuery = RequestMethod.isQueryMethod(method);
String joinColumn = "";
if (isQuery && joinList != null) {
SQLConfig c;
boolean first = true;
for (Join j : joinList) {
c = j.getJoinConfig();
c.setAlias(c.getTable());
joinColumn += (first ? "" : ", ") + ((AbstractSQLConfig) c).getColumnString();
first = false;
}
}
String tableAlias = getAlias();
String c = StringUtil.getString(column); //id,name;json_length(contactIdList):contactCount;...
String[] keys = StringUtil.split(c, ";");
if (keys == null || keys.length <= 0) {
return isKeyPrefix() == false ? "*" : (tableAlias + ".*" + (StringUtil.isEmpty(joinColumn, true) ? "" : ", " + joinColumn));
}
String expression;
String method = null;
//...;fun0(arg0,arg1,...):fun0;fun1(arg0,arg1,...):fun1;...
for (int i = 0; i < keys.length; i++) {
//fun(arg0,arg1,...)
expression = keys[i];
int start = expression.indexOf("(");
int end = 0;
if (start >= 0) {
end = expression.indexOf(")");
if (start >= end) {
throw new IllegalArgumentException("字符 " + expression + " 不合法！"
+ "@having:value 中 value 里的 SQL函数必须为 function(arg0,arg1,...) 这种格式！");
}
method = expression.substring(0, start);
if (StringUtil.isName(method) == false) {
throw new IllegalArgumentException("字符 " + method + " 不合法！"
+ "预编译模式下 @column:\"column0,column1:alias;function0(arg0,arg1,...);function1(...):alias...\""
+ " 中SQL函数名 function 必须符合正则表达式 ^[0-9a-zA-Z_]+$ ！");
}
}
boolean isColumn = start < 0;
String[] ckeys = StringUtil.split(isColumn ? expression : expression.substring(start + 1, end));
// if (isPrepared()) { //不能通过 ? 来代替，SELECT 'id','name' 返回的就是 id:"id", name:"name"，而不是数据库里的值！
if (ckeys != null && ckeys.length > 0) {
String origin;
String alias;
int index;
for (int j = 0; j < ckeys.length; j++) {
index = ckeys[j].lastIndexOf(":"); //StringUtil.split返回数组中，子项不会有null
origin = index < 0 ? ckeys[j] : ckeys[j].substring(0, index);
alias = index < 0 ? null : ckeys[j].substring(index + 1);
if (isPrepared()) {
if (isColumn) {
if (StringUtil.isName(origin) == false || (alias != null && StringUtil.isName(alias) == false)) {
throw new IllegalArgumentException("GET请求: 预编译模式下 @column:value 中 value里面用 , 分割的每一项"
+ " column:alias 中 column 必须是1个单词！如果有alias，则alias也必须为1个单词！并且不要有多余的空格！");
}
}
else {
if ((StringUtil.isName(ckeys[j]) == false || ckeys[j].startsWith("_"))) {
throw new IllegalArgumentException("字符 " + ckeys[j] + " 不合法！"
+ "预编译模式下 @column:\"column0,column1:alias;function0(arg0,arg1,...);function1(...):alias...\""
+ " 中所有 arg 都必须是1个不以 _ 开头的单词！并且不要有空格！");
}
}
}
if (isKeyPrefix()) {
ckeys[j] = tableAlias + "." + origin;
if (isColumn) {
ckeys[j] += " AS `" + (isMain() ? "" : tableAlias + ".") + (StringUtil.isEmpty(alias, true) ? origin : alias) + "`";
}
} else {
ckeys[j] = origin + (StringUtil.isEmpty(alias, true) ? "" : " AS `" + alias + "`");
}
}
// }
}
if (isColumn) {
keys[i] = StringUtil.getString(ckeys);
}
else {
String suffix = expression.substring(end + 1, expression.length()); //:contactCount
String alias = suffix.startsWith(":") ? suffix.substring(1) : null; //contactCount
if (StringUtil.isEmpty(alias, true)) {
if (suffix.isEmpty() == false) {
throw new IllegalArgumentException("GET请求: 预编译模式下 @column:value 中 value里面用 ; 分割的每一项"
+ " function(arg0,arg1,...):alias 中 alias 如果有就必须是1个单词！并且不要有多余的空格！");
}
}
else {
if (StringUtil.isEmpty(alias, true) == false && StringUtil.isName(alias) == false) {
throw new IllegalArgumentException("GET请求: 预编译模式下 @column:value 中 value里面用 ; 分割的每一项"
+ " function(arg0,arg1,...):alias 中 alias 必须是1个单词！并且不要有多余的空格！");
}
}
String origin = method + "(" + StringUtil.getString(ckeys) + ")";
if (isKeyPrefix()) {
keys[i] = origin + " AS `" + (isMain() ? "" : tableAlias + ".") + (StringUtil.isEmpty(alias, true) ? method : alias) + "`";
}
else {
keys[i] = origin + (StringUtil.isEmpty(alias, true) ? "" : " AS `" + alias + "`");
}
}
}
c = StringUtil.getString(keys);
return (c.contains(":") == false ? c : c.replaceAll(":", " AS ")) + (StringUtil.isEmpty(joinColumn, true) ? "" : ", " + joinColumn);//不能在这里改，后续还要用到:
default:
throw new UnsupportedOperationException(
"服务器内部错误：getColumnString 不支持 " + RequestMethod.getName(getMethod())
+ " 等 [GET,GETS,HEAD,HEADS,POST] 外的ReuqestMethod！"
);
}
}
@Override
public String getValues() {
return values;
}
@JSONField(serialize = false)
public String getValuesString() {
return values;
}
public AbstractSQLConfig setValues(Object[][] valuess) {
String s = "";
if (valuess != null && valuess.length > 0) {
Object[] items = new Object[valuess.length];
Object[] vs;
for (int i = 0; i < valuess.length; i++) {
vs = valuess[i];
if (vs == null) {
continue;
}
items[i] = "(";
for (int j = 0; j < vs.length; j++) {
items[i] += ((j <= 0 ? "" : ",") + getValue(vs[j]));
}
items[i] += ")";
}
s = StringUtil.getString(items);
}
return setValues(s);
}
@Override
public AbstractSQLConfig setValues(String values) {
this.values = values;
return this;
}
@Override
public Map<String, Object> getContent() {
return content;
}
@Override
public AbstractSQLConfig setContent(Map<String, Object> content) {
this.content = content;
return this;
}
@Override
public int getCount() {
return count;
}
@Override
public AbstractSQLConfig setCount(int count) {
this.count = count;
return this;
}
@Override
public int getPage() {
return page;
}
@Override
public AbstractSQLConfig setPage(int page) {
this.page = page;
return this;
}
@Override
public int getPosition() {
return position;
}
@Override
public AbstractSQLConfig setPosition(int position) {
this.position = position;
return this;
}
@Override
public int getQuery() {
return query;
}
@Override
public AbstractSQLConfig setQuery(int query) {
this.query = query;
return this;
}
@Override
public int getType() {
return type;
}
@Override
public AbstractSQLConfig setType(int type) {
this.type = type;
return this;
}
@Override
public List<Join> getJoinList() {
return joinList;
}
@Override
public SQLConfig setJoinList(List<Join> joinList) {
this.joinList = joinList;
return this;
}
@Override
public boolean isTest() {
return test;
}
@Override
public AbstractSQLConfig setTest(boolean test) {
this.test = test;
return this;
}
@Override
public boolean isCacheStatic() {
return cacheStatic;
}
@Override
public AbstractSQLConfig setCacheStatic(boolean cacheStatic) {
this.cacheStatic = cacheStatic;
return this;
}
/**获取初始位置offset
* @return
*/
@JSONField(serialize = false)
public int getOffset() {
return getOffset(getPage(), getCount());
}
/**获取初始位置offset
* @param page
* @param count
* @return
*/
public static int getOffset(int page, int count) {
return page*count;
}
/**获取限制数量
* @return
*/
@JSONField(serialize = false)
public String getLimitString() {
return getLimitString(getPage(), getCount());// + 1);
}
/**获取限制数量
* @param limit
* @return
*/
public static String getLimitString(int page, int count) {
return count <= 0 ? "" : " LIMIT " + count + " OFFSET " + getOffset(page, count);
}
//WHERE <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
@Override
public Map<String, Object> getWhere() {
return where;
}
@Override
public AbstractSQLConfig setWhere(Map<String, Object> where) {
this.where = where;
return this;
}
@NotNull
@Override
public Map<String, List<String>> getCombine() {
List<String> andList = combine == null ? null : combine.get("&");
if (andList == null) {
andList = where == null ? new ArrayList<String>() : new ArrayList<String>(where.keySet());
if (combine == null) {
combine = new HashMap<>();
}
combine.put("&", andList);
}
return combine;
}
@Override
public AbstractSQLConfig setCombine(Map<String, List<String>> combine) {
this.combine = combine;
return this;
}
/**
* noFunctionChar = false
* @param key
* @return
*/
@JSONField(serialize = false)
@Override
public Object getWhere(String key) {
return getWhere(key, false);
}
/**
* @param key
* @param exactMatch
* @return
*/
@JSONField(serialize = false)
@Override
public Object getWhere(String key, boolean exactMatch) {
if (exactMatch) {
return where == null ? null : where.get(key);
}
Set<String> set = key == null || where == null ? null : where.keySet();
if (set != null) {
synchronized (where) {
if (where != null) {
int index;
for (String k : set) {
index = k.indexOf(key);
if (index >= 0 && StringUtil.isName(k.substring(index)) == false) {
return where.get(k);
}
}
}
}
}
return null;
}
@Override
public AbstractSQLConfig putWhere(String key, Object value, boolean prior) {
if (key != null) {
if (where == null) {
where = new LinkedHashMap<String, Object>();
}
where.put(key, value);
combine = getCombine();
List<String> andList = combine == null ? null : combine.get("&");
if (value == null) {
andList.remove(key);
}
else if (andList == null || andList.contains(key) == false) {
int i = 0;
if (andList == null) {
andList = new ArrayList<>();
}
else if (prior && andList.isEmpty() == false) {
if (andList.contains(KEY_ID)) {
i ++;
}
if (andList.contains(KEY_ID_IN)) {
i ++;
}
if (andList.contains(KEY_USER_ID)) {
i ++;
}
if (andList.contains(KEY_USER_ID_IN)) {
i ++;
}
}
if (prior) {
andList.add(i, key); //userId的优先级不能比id高 0, key);
} else {
andList.add(key); //AbstractSQLExecutor.onPutColumn里getSQL，要保证缓存的SQL和查询的SQL里 where 的 key:value 顺序一致
}
}
combine.put("&", andList);
}
return this;
}
/**获取WHERE
* @return
* @throws Exception
*/
@JSONField(serialize = false)
@Override
public String getWhereString(boolean hasPrefix) throws Exception {
return getWhereString(hasPrefix, getMethod(), getWhere(), getCombine(), getJoinList(), ! isTest());
}
/**获取WHERE
* @param method
* @param where
* @return
* @throws Exception
*/
@JSONField(serialize = false)
public String getWhereString(boolean hasPrefix, RequestMethod method, Map<String, Object> where, Map<String, List<String>> combine, List<Join> joinList, boolean verifyName) throws Exception {
Set<Entry<String, List<String>>> combineSet = combine == null ? null : combine.entrySet();
if (combineSet == null || combineSet.isEmpty()) {
Log.w(TAG, "getWhereString combineSet == null || combineSet.isEmpty() >> return \"\";");
return "";
}
List<String> keyList;
String whereString = "";
boolean isCombineFirst = true;
int logic;
boolean isItemFirst;
String c;
String cs;
for (Entry<String, List<String>> ce : combineSet) {
keyList = ce == null ? null : ce.getValue();
if (keyList == null || keyList.isEmpty()) {
continue;
}
if ("|".equals(ce.getKey())) {
logic = Logic.TYPE_OR;
}
else if ("!".equals(ce.getKey())) {
logic = Logic.TYPE_NOT;
}
else {
logic = Logic.TYPE_AND;
}
isItemFirst = true;
cs = "";
for (String key : keyList) {
c = getWhereItem(key, where.get(key), method, verifyName);
if (StringUtil.isEmpty(c, true)) {//避免SQL条件连接错误
continue;
}
cs += (isItemFirst ? "" : (Logic.isAnd(logic) ? AND : OR)) + "(" + c + ")";
isItemFirst = false;
}
whereString += (isCombineFirst ? "" : AND) + (Logic.isNot(logic) ? NOT : "") + " ( " + cs + " ) ";
isCombineFirst = false;
}
if (joinList != null) {
String newWs = "";
String ws = "" + whereString;
List<Object> newPvl = new ArrayList<>();
List<Object> pvl = new ArrayList<>(preparedValueList);
SQLConfig jc;
String js;
//各种 JOIN 没办法统一用 & | ！连接，只能按优先级，和 @combine 一样?
for (Join j : joinList) {
switch (j.getJoinType()) {
case "":
case "|": //不支持 <>, [] ，避免太多符号
case "&":
case "!":
case "^":
case "*":
jc = j.getJoinConfig();
boolean isMain = jc.isMain();
jc.setMain(false).setPrepared(isPrepared()).setPreparedValueList(new ArrayList<Object>());
js = jc.getWhereString(false);
jc.setMain(isMain);
if (StringUtil.isEmpty(js, true)) {
continue;
}
if (StringUtil.isEmpty(newWs, true) == false) {
newWs += AND;
}
if ("^".equals(j.getJoinType())) { // (A & ! B) | (B & ! A)
newWs += " ( ( " + ws + ( StringUtil.isEmpty(ws, true) ? "" : AND + NOT ) + " ( " + js + " ) ) "
+ OR
+ " ( " + js + AND + NOT + " ( " + ws + " ) ) ) ";
newPvl.addAll(pvl);
newPvl.addAll(jc.getPreparedValueList());