package com.github.arteam.jdit.maintenance;
import org.jdbi.v3.core.Handle;
import java.sql.SQLException;
/**
* A factory for creating vendor-specific {@link DatabaseMaintenance} instances
* based on the current database vendor name
*/
public final class DatabaseMaintenanceFactory {
private static final String POSTGRESQL = "PostgreSQL";
private static final String HSQLDB = "HSQL Database Engine";
private static final String H2 = "H2";
private static final String MYSQL = "MySQL";
private DatabaseMaintenanceFactory() {
}
public static DatabaseMaintenance create(Handle handle) {
String databaseVendor = getDatabaseVendor(handle);
switch (databaseVendor) {
case POSTGRESQL:
return new PostgresDatabaseMaintenance(handle);
case HSQLDB:
return new HsqlDatabaseMaintenance(handle);
case H2:
return new H2DatabaseMaintenance(handle);
case MYSQL:
return new MySqlDatabaseMaintenance(handle);
default:
throw new UnsupportedOperationException(databaseVendor + " is not supported");
}
}
private static String getDatabaseVendor(Handle handle) {
try {
return handle.getConnection().getMetaData().getDatabaseProductName();
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
}
