package com.github.zhangkaitao.shiro.chapter15.dao;
import com.github.zhangkaitao.shiro.chapter15.entity.User;
import org.springframework.jdbc.core.BeanPropertyRowMapper;
import org.springframework.jdbc.core.PreparedStatementCreator;
import org.springframework.jdbc.core.support.JdbcDaoSupport;
import org.springframework.jdbc.support.GeneratedKeyHolder;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* <p>User: Zhang Kaitao
* <p>Date: 14-1-28
* <p>Version: 1.0
*/
public class UserDaoImpl extends JdbcDaoSupport implements UserDao {
public User createUser(final User user) {
final String sql = "insert into sys_users(username, password, salt, locked) values(?,?,?, ?)";
GeneratedKeyHolder keyHolder = new GeneratedKeyHolder();
getJdbcTemplate().update(new PreparedStatementCreator() {
@Override
public PreparedStatement createPreparedStatement(Connection connection) throws SQLException {
PreparedStatement psst = connection.prepareStatement(sql, new String[]{"id"});
psst.setString(1, user.getUsername());
psst.setString(2, user.getPassword());
psst.setString(3, user.getSalt());
psst.setBoolean(4, user.getLocked());
return psst;
}
}, keyHolder);
user.setId(keyHolder.getKey().longValue());
return user;
}
public void updateUser(User user) {
String sql = "update sys_users set username=?, password=?, salt=?, locked=? where id=?";
getJdbcTemplate().update(sql, user.getUsername(), user.getPassword(), user.getSalt(), user.getLocked(), user.getId());
}
public void deleteUser(Long userId) {
String sql = "delete from sys_users where id=?";
getJdbcTemplate().update(sql, userId);
}
@Override
public void correlationRoles(Long userId, Long... roleIds) {
if(roleIds == null || roleIds.length == 0) {
return;
}
String sql = "insert into sys_users_roles(user_id, role_id) values(?,?)";
for(Long roleId : roleIds) {
if(!exists(userId, roleId)) {
getJdbcTemplate().update(sql, userId, roleId);
}
}
}
@Override
public void uncorrelationRoles(Long userId, Long... roleIds) {
if(roleIds == null || roleIds.length == 0) {
return;
}
String sql = "delete from sys_users_roles where user_id=? and role_id=?";
for(Long roleId : roleIds) {
if(exists(userId, roleId)) {
getJdbcTemplate().update(sql, userId, roleId);
}
}
}
private boolean exists(Long userId, Long roleId) {
String sql = "select count(1) from sys_users_roles where user_id=? and role_id=?";
return getJdbcTemplate().queryForObject(sql, Integer.class, userId, roleId) != 0;
}
@Override
public User findOne(Long userId) {
String sql = "select id, username, password, salt, locked from sys_users where id=?";
List<User> userList = getJdbcTemplate().query(sql, new BeanPropertyRowMapper(User.class), userId);
if(userList.size() == 0) {
return null;
}
return userList.get(0);
}
@Override
public User findByUsername(String username) {
String sql = "select id, username, password, salt, locked from sys_users where username=?";
List<User> userList = getJdbcTemplate().query(sql, new BeanPropertyRowMapper(User.class), username);
if(userList.size() == 0) {
return null;
}
return userList.get(0);
}
@Override
public Set<String> findRoles(String username) {
String sql = "select role from sys_users u, sys_roles r,sys_users_roles ur where u.username=? and u.id=ur.user_id and r.id=ur.role_id";
return new HashSet(getJdbcTemplate().queryForList(sql, String.class, username));
}
@Override
public Set<String> findPermissions(String username) {
//TODO 此处可以优化，比如查询到role后，一起获取roleId，然后直接根据roleId获取即可
String sql = "select permission from sys_users u, sys_roles r, sys_permissions p, sys_users_roles ur, sys_roles_permissions rp where u.username=? and u.id=ur.user_id and r.id=ur.role_id and r.id=rp.role_id and p.id=rp.permission_id";
return new HashSet(getJdbcTemplate().queryForList(sql, String.class, username));
}
}