com.tsg.techsupportmvc.dao.UserDaoDbImpl.java Source code

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Here is the source code for com.tsg.techsupportmvc.dao.UserDaoDbImpl.java

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/*
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 */
package com.tsg.techsupportmvc.dao;

import com.tsg.techsupportmvc.dto.User;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.EmptyResultDataAccessException;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.jdbc.support.rowset.SqlRowSet;
import org.springframework.security.crypto.bcrypt.BCrypt;

/**
 *
 * @author apprentice
 */
public class UserDaoDbImpl implements UserDao {

    private JdbcTemplate jdbcTemplate;
    private static final String query = "SELECT * FROM `users` WHERE `username` = ?";

    @Autowired
    public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {
        this.jdbcTemplate = jdbcTemplate;
    }

    @Override
    public String getSalt() {

        return BCrypt.gensalt();

    }

    @Override
    public String getHash(String password, String salt) {

        return BCrypt.hashpw(password, salt);

    }

    @Override
    public boolean userExists(String username) {

        try {

            User user = jdbcTemplate.queryForObject(query, new UserMapper(), username);

            return user.getUsername().equals(username);

        } catch (EmptyResultDataAccessException e) {

            return false;

        }

    }

    @Override
    public boolean passwordIsCorrect(String username, String password) {

        try {

            User user = jdbcTemplate.queryForObject(query, new UserMapper(), username);

            String salt = user.getSalt();
            String hash = getHash(password, salt);

            return hash.equals(user.getPasswordHash());

        } catch (EmptyResultDataAccessException e) {

            return false;

        }

    }

    @Override
    public void updateUser(User user) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.

    }

    @Override
    public User getUserByUsername(String username) {

        try {

            return jdbcTemplate.queryForObject(query, new UserMapper(), username);

        } catch (EmptyResultDataAccessException e) {

            return null;

        }
    }

    private static final class UserMapper implements RowMapper<User> {

        @Override
        public User mapRow(ResultSet rs, int i) throws SQLException {

            User user = new User();
            user.setUserId(rs.getInt("userId"));
            user.setUsername(rs.getString("username"));
            user.setPasswordHash(rs.getString("passwordHash"));
            user.setSalt(rs.getString("salt"));
            user.setDisplayName(rs.getString("displayName"));
            user.setSiteRole(rs.getString("siteRole"));

            return user;

        }

    }
}