UserDAOJDBCImpl.java

Source Code‎ > ‎src‎ > ‎in.co.sunrays.proj1‎ > ‎dao‎ > ‎

package in.co.sunrays.proj1.dao;

import in.co.sunrays.proj1.dto.UserDTO;
import in.co.sunrays.proj1.exception.DatabaseException;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import org.apache.log4j.Logger;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.jdbc.core.support.JdbcDaoSupport;

/**
* JDBC Implementation of UserDAO
*
* @author SUNRAYS Technologies
* @version 1.0
* @Copyright (c) SUNRAYS Technologies
*/
public class UserDAOJDBCImpl extends JdbcDaoSupport implements UserDAOInt {

    /**
    * Logger
    */
    private static Logger log = Logger.getLogger(UserDAOJDBCImpl.class);

    /**
    * Find next PK of user
    *
    * @throws DatabaseException
    */
    public long nextPK() throws DatabaseException {
        log.debug("DAO nextPK Started");
        long pk = 0;
        try {
            pk = getJdbcTemplate().queryForLong("SELECT MAX(ID) FROM ST_USER");
        } catch (Exception e) {
            log.error("Database Exception..", e);
            throw new DatabaseException("Exception : Exception in getting PK");
        }
        log.debug("DAO nextPK End");
        return pk + 1;
    }

    /**
    * Add a User
    *
    * @param dto
    * @throws DatabaseException
    */
    public long add(UserDTO dto) throws DatabaseException {
        log.debug("DAO add Started");
        // Get auto-generated next primary key
        long pk = nextPK();
        try {
            Object[] values = new Object[] { pk, dto.getFirstName(),
                    dto.getLastName(), dto.getLogin(), dto.getPassword(),
                    new java.sql.Date(dto.getDob().getTime()),
                    dto.getMobileNo(), dto.getRoleId(),
                    dto.getUnSuccessfulLogin(), dto.getGender(),
                    dto.getLastLogin(), dto.getLock(), dto.getRegisteredIP(),
                    dto.getLastLoginIP(), dto.getCreatedBy(),
                    dto.getModifiedBy(), dto.getCreatedDatetime(),
                    dto.getModifiedDatetime() };
            getJdbcTemplate()
                    .update("INSERT INTO ST_USER VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)",
                            values);
        } catch (Exception e) {
            log.error("Database Exception..", e);
            throw new DatabaseException(
                    "Exception : Exception in add marksheet");
        }
        log.debug("DAO add End");
        return pk;
    }

    /**
    * Update a User
    *
    * @param dto
    * @throws DatabaseException
    */
    @Override
    public void update(UserDTO dto) throws DatabaseException {
        log.debug("DAO update Started");
        try {
            Object[] values = new Object[] { dto.getFirstName(),
                    dto.getLastName(), dto.getLogin(), dto.getPassword(),
                    new java.sql.Date(dto.getDob().getTime()),
                    dto.getMobileNo(), dto.getRoleId(),
                    dto.getUnSuccessfulLogin(), dto.getGender(),
                    dto.getLastLogin(), dto.getLock(), dto.getRegisteredIP(),
                    dto.getLastLoginIP(), dto.getCreatedBy(),
                    dto.getModifiedBy(), dto.getCreatedDatetime(),
                    dto.getModifiedDatetime(), dto.getId() };
            getJdbcTemplate()
                    .update("UPDATE ST_USER SET FIRST_NAME=?,LAST_NAME=?,LOGIN=?,PASSWORD=?,DOB=?,MOBILE_NO=?,ROLE_ID=?,UNSUCCESSFUL_LOGIN=?,GENDER=?,LAST_LOGIN=?,USER_LOCK=?,REGISTERED_IP=?,LAST_LOGIN_IP=?,CREATED_BY=?,MODIFIED_BY=?,CREATED_DATETIME=?,MODIFIED_DATETIME=? WHERE ID=?",
                            values);
        } catch (Exception e) {
            log.error("Database Exception..", e);
            throw new DatabaseException("Exception in updating User ");
        }
        log.debug("DAO update End");
    }

    /**
    * Delete a User
    *
    * @param dto
    * @throws DatabaseException
    */
    public void delete(UserDTO dto) throws DatabaseException {
        log.debug("DAO delete Started");
        try {
            getJdbcTemplate().update("DELETE FROM ST_USER WHERE ID=?",
                    new Object[] { dto.getId() });
        } catch (Exception e) {
            log.error("Database Exception..", e);
            throw new DatabaseException(
                    "Exception : Exception in delete marksheet");
        }
        log.debug("DAO delete Started");
    }

    /**
    * Find User by Login
    *
    * @param login
    *            : get parameter
    * @return dto
    * @throws DatabaseException
    */
    @Override
    public UserDTO findByLogin(String login) throws DatabaseException {
        log.debug("DAO findByLogin Started");
        UserDTO dto = null;
        try {
            dto = (UserDTO) getJdbcTemplate().queryForObject(
                    "SELECT * FROM ST_USER WHERE LOGIN=?",
                    new Object[] { login }, new UserMapper());
        } catch (Exception e) {
            log.error("Database Exception..", e);
            throw new DatabaseException(
                    "Exception : Exception in getting marksheet by login");
        }
        log.debug("DAO findByLogin End");
        return dto;
    }

    /**
    * Find User by PK
    *
    * @param pk
    *            : get parameter
    * @return dto
    * @throws DatabaseException
    */
    @Override
    public UserDTO findByPK(long pk) throws DatabaseException {
        log.debug("DAO findByPK Started");
        UserDTO dto = null;
        try {
            dto = (UserDTO) getJdbcTemplate().queryForObject(
                    "SELECT * FROM ST_USER WHERE ID=?", new Object[] { pk },
                    new UserMapper());
        } catch (Exception e) {
            e.printStackTrace();
            log.error("Database Exception..", e);
            throw new DatabaseException(
                    "Exception : Exception in getting marksheet by pk");
        }
        log.debug("DAO findByPK End");
        return dto;
    }

    /**
    * Search Users with pagination
    *
    * @return list : List of Users
    * @param dto
    *            : Search Parameters
    * @param pageNo
    *            : Current Page No.
    * @param pageSize
    *            : Size of Page
    * @throws DatabaseException
    */
    @Override
    public List search(UserDTO dto, int pageNo, int pageSize)
            throws DatabaseException {
        log.debug("DAO search Started");
        StringBuffer sql = new StringBuffer("SELECT * FROM ST_USER WHERE 1=1");
        if (dto.getId() > 0) {
            sql.append(" AND ID = " + dto.getId());
        }
        if (dto.getFirstName() != null && dto.getFirstName().length() > 0) {
            sql.append(" AND FIRST_NAME LIKE '" + dto.getFirstName() + "%'");
        }
        if (dto.getLastName() != null && dto.getLastName().length() > 0) {
            sql.append(" AND LAST_NAME LIKE '" + dto.getLastName() + "%'");
        }
        if (dto.getLogin() != null && dto.getLogin().length() > 0) {
            sql.append(" AND LOGIN LIKE '" + dto.getLogin() + "%'");
        }
        if (dto.getPassword() != null && dto.getPassword().length() > 0) {
            sql.append(" AND PASSWORD LIKE '" + dto.getPassword() + "%'");
        }
        if (dto.getDob() != null && dto.getDob().getDate() > 0) {
            sql.append(" AND DOB = " + dto.getGender());
        }
        if (dto.getMobileNo() != null && dto.getMobileNo().length() > 0) {
            sql.append(" AND MOBILE_NO = '" + dto.getMobileNo() + "'");
        }
        if (dto.getRoleId() > 0) {
            sql.append(" AND ROLE_ID = " + dto.getRoleId());
        }
        if (dto.getUnSuccessfulLogin() > 0) {
            sql.append(" AND UNSUCCESSFUL_LOGIN = "
                    + dto.getUnSuccessfulLogin());
        }
        if (dto.getGender() != null && dto.getGender().length() > 0) {
            sql.append(" AND GENDER = '" + dto.getGender() + "'");
        }
        if (dto.getLastLogin() != null && dto.getLastLogin().getTime() > 0) {
            sql.append(" AND LAST_LOGIN = " + dto.getLastLogin());
        }
        // if page size is greater than zero then apply pagination
        if (pageSize > 0) {
            // Calculate start record index
            pageNo = (pageNo - 1) * pageSize;
            sql.append(" LIMIT " + pageNo + ", " + pageSize);
        }
        List list = new ArrayList();
        try {
            list = getJdbcTemplate().query(sql.toString(), new UserMapper());
        } catch (Exception e) {
            log.error("Database Exception..", e);
            throw new DatabaseException("Exception : Exception in search user");
        }
        log.debug("DAO search End");
        return list;
    }

    /**
    * Search Users
    *
    * @param dto
    *            : Search Parameters
    * @throws DatabaseException
    */
    @Override
    public List search(UserDTO dto) throws DatabaseException {
        return search(dto, 0, 0);
    }

    /**
    * Get List of Users
    *
    * @return list : List of Users
    * @throws DatabaseException
    */
    @Override
    public List list() throws DatabaseException {
        return list(0, 0);
    }

    /**
    * Get List of Users with pagination
    *
    * @return list : List of Users
    * @param pageNo
    *            : Current Page No.
    * @param pageSize
    *            : Size of Page
    * @throws DatabaseException
    */
    @Override
    public List list(int pageNo, int pageSize) throws DatabaseException {
        log.debug("DAO list Started");
        StringBuffer sql = new StringBuffer("SELECT * FROM ST_USER");
        // if page size is greater than zero then apply pagination
        if (pageSize > 0) {
            // Calculate start record index
            pageNo = (pageNo - 1) * pageSize;
            sql.append(" LIMIT " + pageNo + "," + pageSize);
        }
        List list = new ArrayList();
        try {
            list = getJdbcTemplate().query(sql.toString(), new UserMapper());
        } catch (Exception e) {
            log.error("Database Exception..", e);
            throw new DatabaseException(
                    "Exception : Exception in getting list of users");
        }
        log.debug("DAO list End");
        return list;
    }

    class UserMapper implements RowMapper {
        @Override
        public UserDTO mapRow(ResultSet rs, int rowNum) throws SQLException {
            UserDTO dto = new UserDTO();
            dto.setId(rs.getLong(1));
            dto.setFirstName(rs.getString(2));
            dto.setLastName(rs.getString(3));
            dto.setLogin(rs.getString(4));
            dto.setPassword(rs.getString(5));
            dto.setDob(rs.getDate(6));
            dto.setMobileNo(rs.getString(7));
            dto.setRoleId(rs.getLong(8));
            dto.setUnSuccessfulLogin(rs.getInt(9));
            dto.setGender(rs.getString(10));
            dto.setLastLogin(rs.getTimestamp(11));
            dto.setLock(rs.getString(12));
            dto.setRegisteredIP(rs.getString(13));
            dto.setLastLoginIP(rs.getString(14));
            dto.setCreatedBy(rs.getString(15));
            dto.setModifiedBy(rs.getString(16));
            dto.setCreatedDatetime(rs.getTimestamp(17));
            dto.setModifiedDatetime(rs.getTimestamp(18));
            return dto;
        }
    }
}

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