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Use a better approach for avoiding MySQL driver sharing

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Luck 2020-11-14 14:10:54 +00:00
parent 23c7eb79d0
commit c39749e526
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2 changed files with 34 additions and 2 deletions
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9
common/src/main/java/me/lucko/luckperms/common/storage/implementation/sql/connection/hikari/HikariConnectionFactory.java
View File

@ -101,6 +101,13 @@ public abstract class HikariConnectionFactory implements ConnectionFactory {
}
}
/**
* Called after the Hikari pool has been initialised
*/
protected void postInitialize() {
}
@Override
public void init(LuckPermsPlugin plugin) {
HikariConfig config;
@ -144,6 +151,8 @@ public abstract class HikariConnectionFactory implements ConnectionFactory {
config.setInitializationFailTimeout(-1);
this.hikari = new HikariDataSource(config);
postInitialize();
}
@Override

27
common/src/main/java/me/lucko/luckperms/common/storage/implementation/sql/connection/hikari/MySqlConnectionFactory.java
View File

@ -29,6 +29,10 @@ import com.zaxxer.hikari.HikariConfig;
import me.lucko.luckperms.common.storage.misc.StorageCredentials;
import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Enumeration;
import java.util.Map;
import java.util.function.Function;
@ -49,13 +53,32 @@ public class MySqlConnectionFactory extends HikariConnectionFactory {
@Override
protected void configureDatabase(HikariConfig config, String address, String port, String databaseName, String username, String password) {
// other plugins shouldn't be able to use our driver, so use the non-registering type.
config.setDriverClassName("com.mysql.cj.jdbc.NonRegisteringDriver");
config.setDriverClassName("com.mysql.cj.jdbc.Driver");
config.setJdbcUrl("jdbc:mysql://" + address + ":" + port + "/" + databaseName);
config.setUsername(username);
config.setPassword(password);
}
@Override
protected void postInitialize() {
super.postInitialize();
// Calling Class.forName("com.mysql.cj.jdbc.Driver") is enough to call the static initializer
// which makes our driver available in DriverManager. We don't want that, so unregister it after
// the pool has been setup.
Enumeration<Driver> drivers = DriverManager.getDrivers();
while (drivers.hasMoreElements()) {
Driver driver = drivers.nextElement();
if (driver.getClass().getName().equals("com.mysql.cj.jdbc.Driver")) {
try {
DriverManager.deregisterDriver(driver);
} catch (SQLException e) {
// ignore
}
}
}
}
@Override
protected void overrideProperties(Map<String, String> properties) {
// https://github.com/brettwooldridge/HikariCP/wiki/MySQL-Configuration