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DialectFactory增加identifyDriver重载

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Looly 2022-11-02 23:54:27 +08:00
parent fd2756d09b
commit 300fe3b6fd
2 changed files with 19 additions and 7 deletions
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3
CHANGELOG.md
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@ -3,11 +3,12 @@
-------------------------------------------------------------------------------------------------------------
# 5.8.10.M1 (2022-10-27)
# 5.8.10.M1 (2022-11-02)
### 🐣新特性
* 【http 】 HttpResponse增加getFileNameFromDisposition方法（pr#2676@Github）
* 【core 】 FileUtil.copy，当来源为文件时，返回文件而非目录
* 【db 】 DialectFactory增加identifyDriver重载（issue#I5YWI6@Gitee）
### 🐞Bug修复
* 【db 】 修复分页时order by截断问题（issue#I5X6FM@Gitee）

23
hutool-db/src/main/java/cn/hutool/db/dialect/DialectFactory.java
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@ -22,9 +22,8 @@ import java.util.Map;
* 方言工厂类
*
* @author loolly
*
*/
public class DialectFactory implements DriverNamePool{
public class DialectFactory implements DriverNamePool {
private static final Map<DataSource, Dialect> DIALECT_POOL = new SafeConcurrentHashMap<>();
@ -80,6 +79,17 @@ public class DialectFactory implements DriverNamePool{
* @return 驱动
*/
public static String identifyDriver(String nameContainsProductInfo) {
return identifyDriver(nameContainsProductInfo, null);
}
/**
* 通过JDBC URL等信息识别JDBC驱动名
*
* @param nameContainsProductInfo 包含数据库标识的字符串
* @param classLoader 类加载器，{@code null}表示默认上下文的类加载器
* @return 驱动
*/
public static String identifyDriver(String nameContainsProductInfo, ClassLoader classLoader) {
if (StrUtil.isBlank(nameContainsProductInfo)) {
return null;
}
@ -88,15 +98,15 @@ public class DialectFactory implements DriverNamePool{
// 首先判断是否为标准的JDBC URL，截取jdbc:xxxx:中间部分
final String name = ReUtil.getGroup1("jdbc:(.*?):", nameContainsProductInfo);
if(StrUtil.isNotBlank(name)){
if (StrUtil.isNotBlank(name)) {
nameContainsProductInfo = name;
}
String driver = null;
if (nameContainsProductInfo.contains("mysql") || nameContainsProductInfo.contains("cobar")) {
driver = ClassLoaderUtil.isPresent(DRIVER_MYSQL_V6) ? DRIVER_MYSQL_V6 : DRIVER_MYSQL;
driver = ClassLoaderUtil.isPresent(DRIVER_MYSQL_V6, classLoader) ? DRIVER_MYSQL_V6 : DRIVER_MYSQL;
} else if (nameContainsProductInfo.contains("oracle")) {
driver = ClassLoaderUtil.isPresent(DRIVER_ORACLE) ? DRIVER_ORACLE : DRIVER_ORACLE_OLD;
driver = ClassLoaderUtil.isPresent(DRIVER_ORACLE, classLoader) ? DRIVER_ORACLE : DRIVER_ORACLE_OLD;
} else if (nameContainsProductInfo.contains("postgresql")) {
driver = DRIVER_POSTGRESQL;
} else if (nameContainsProductInfo.contains("sqlite")) {
@ -161,12 +171,13 @@ public class DialectFactory implements DriverNamePool{
/**
* 获取共享方言
*
* @param ds 数据源，每一个数据源对应一个唯一方言
* @return {@link Dialect}方言
*/
public static Dialect getDialect(DataSource ds) {
Dialect dialect = DIALECT_POOL.get(ds);
if(null == dialect) {
if (null == dialect) {
// 数据源作为锁的意义在于：不同数据源不会导致阻塞，相同数据源获取方言时可保证互斥
//noinspection SynchronizationOnLocalVariableOrMethodParameter
synchronized (ds) {