hibernate根据包名获取该包下实体类，数据库中不存在的库表名称

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.supermap.realestate_bh.registration.util.StringUtil;
import com.supermap.wisdombusiness.core.SuperSpringContext;
import com.supermap.wisdombusiness_bh.framework.dao.impl.CommonDao;
import org.hibernate.SessionFactory;
import org.springframework.orm.hibernate4.SessionFactoryUtils;

import javax.persistence.Table;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.ResultSet;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;

public static Set getTableNotExits(){
    try {
        ClassLoader loader = Thread.currentThread().getContextClassLoader();
        String packagename = "com.supermap.realestate.registration.model";
        packagename = "";
        String packagePath = packagename.replaceAll("\.", "\/");
        URL url = loader.getResource(packagePath);
        String path = url.getPath();
        File file = new File(path);
        File[] files = file.listFiles();
        List list = new LinkedList<>();
        Set<String> stringSet = new HashSet<>();
        for (File file1 : files) {
            if(file1.isDirectory()) continue;
            String filename = file1.getName();
            String name = packagename + "." + filename.replace(".class","");
            System.out.println(name);
            Class cl = Class.forName(name);
            if(cl.isAnnotationPresent(Table.class)){
                Table table = (Table)cl.getAnnotation(Table.class);
　　　　　　　　　　//指定数据库/用户
                if("bdcdck".equalsIgnoreCase(table.schema())) stringSet.add(table.schema() + "&" + table.name());
            }
            list.add(packagename + "." + file1.getName());

        }

        SessionFactory object = SuperSpringContext.getContext().getBean(CommonDao.class).getSessionFactory();
        Connection connection = SessionFactoryUtils.getDataSource(object).getConnection();
        DatabaseMetaData databaseMetaData = connection.getMetaData();
        Set<String> set = new HashSet<>();
        for (String s : stringSet) {
            if(StringUtil.isEmpty(s)) continue;
            String[] ss = s.split("&");
            ResultSet rs = databaseMetaData.getTables(null,ss[0].toUpperCase(),ss[1].toUpperCase(),new String[]{"TABLE"});
            if(!rs.next()){
                set.add(s);
            }
        }

        return set;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}