UserServiceSpringImpl.java

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

package in.co.sunrays.proj1.service;

import in.co.sunrays.proj1.dao.UserDAOInt;
import in.co.sunrays.proj1.dto.RoleDTO;
import in.co.sunrays.proj1.dto.UserDTO;
import in.co.sunrays.proj1.exception.ApplicationException;
import in.co.sunrays.proj1.exception.DatabaseException;
import in.co.sunrays.proj1.exception.DuplicateRecordException;
import in.co.sunrays.proj1.exception.RecordNotFoundException;
import in.co.sunrays.proj1.util.EmailBuilder;
import in.co.sunrays.proj1.util.EmailMessage;
import in.co.sunrays.proj1.util.EmailUtility;

import java.sql.Timestamp;
import java.util.Date;
import java.util.HashMap;
import java.util.List;

import org.apache.log4j.Logger;

/**
* Spring Implementation of User Service
*
* @author SUNRAYS Technologies
* @version 1.0
* @Copyright (c) SUNRAYS Technologies
*/
public class UserServiceSpringImpl implements UserServiceInt {

    /**
    * Logger
    */
    private static Logger log = Logger.getLogger(UserServiceSpringImpl.class);
    /**
    * Get UserDAO Instance
    */
    private UserDAOInt dao;

    /**
    * Inject DAO object
    *
    * @param dao
    */
    public void setDao(UserDAOInt dao) {
        this.dao = dao;
    }

    /**
    * Add a user
    *
    * @param dto
    * @throws ApplicationException
    * @throws DuplicateRecordException
    *             : throws when Login is already exists
    */
    @Override
    public long add(UserDTO dto) throws ApplicationException,
            DuplicateRecordException {
        log.debug("Service add Started");
        long pk = 0;
        try {
            UserDTO dtoExist = dao.findByLogin(dto.getLogin());
            if (dtoExist != null) {
                throw new DuplicateRecordException("Login is already exist.");
            }
            pk = dao.add(dto);
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service add End");
        return pk;
    }

    /**
    * Register a user
    *
    * @param dto
    * @throws ApplicationException
    * @throws DuplicateRecordException
    *             : throws when Login is already exists
    */
    @Override
    public long registerUser(UserDTO dto) throws ApplicationException,
            DuplicateRecordException {
        log.debug("Service add Started");
        long pk = 0;
        try {
            UserDTO dtoExist = dao.findByLogin(dto.getLogin());
            if (dtoExist != null) {
                throw new DuplicateRecordException("Login is already exist.");
            }
            pk = dao.add(dto);

            HashMap<String, String> map = new HashMap<String, String>();
            map.put("login", dto.getLogin());
            map.put("password", dto.getPassword());

            String message = EmailBuilder.getUserRegistrationMessage(map);

            EmailMessage msg = new EmailMessage();
            msg.setTo(dto.getLogin());
            msg.setSubject("Registration is successful for ORS Project SUNRAYS Technologies.");
            msg.setMessage(message);
            msg.setMessageType(EmailMessage.HTML_MSG);
            EmailUtility.sendMail(msg);

        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service add End");
        return pk;
    }

    /**
    * Update a User
    *
    * @param dto
    * @throws ApplicationException
    * @throws DuplicateRecordException
    *             : throws when updated Login is already exist
    */
    @Override
    public void update(UserDTO dto) throws ApplicationException,
            DuplicateRecordException {
        log.debug("Service update Started");
        try {
            UserDTO dtoExist = dao.findByLogin(dto.getLogin());
            // Check if updated Loign is already exist
            if (dtoExist != null && dtoExist.getId() != dto.getId()) {
                throw new DuplicateRecordException("Login is already exist.");
            }
            dao.update(dto);
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service update End");
    }

    /**
    * Delete a user
    *
    * @param dto
    * @throws ApplicationException
    */
    @Override
    public void delete(UserDTO dto) throws ApplicationException {
        log.debug("Service Delete Started");
        try {
            UserDTO dtoExist = dao.findByPK(dto.getId());
            if (dtoExist == null) {
                throw new ApplicationException("User not exist.");
            }
            dao.delete(dto);
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service delete End");
    }

    /**
    * Find user by Login
    *
    * @param login
    *            : get parameter
    * @return dto
    * @throws ApplicationException
    */
    @Override
    public UserDTO findByLogin(String login) throws ApplicationException {
        log.debug("Service findByLoginId Started");
        UserDTO dto = null;
        try {
            dto = dao.findByLogin(login);
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service findByLoginId End");
        return dto;
    }

    /**
    * Find user by PK
    *
    * @param pk
    *            : get parameter
    * @return dto
    * @throws ApplicationException
    */
    @Override
    public UserDTO findByPK(long pk) throws ApplicationException {
        log.debug("Service findByPK Started");
        UserDTO dto = null;
        try {
            dto = dao.findByPK(pk);
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service 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 ApplicationException
    */
    @Override
    public List search(UserDTO dto, int pageNo, int pageSize)
            throws ApplicationException {
        log.debug("Service search Started");
        List list = null;
        try {
            list = dao.search(dto, pageNo, pageSize);
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service search End");
        return list;
    }

    /**
    * Search Users
    *
    * @return list : List of Users
    * @param dto
    *            : Search Parameters
    * @throws ApplicationException
    */
    @Override
    public List search(UserDTO dto) throws ApplicationException {
        log.debug("Service search Started");
        List list = null;
        try {
            list = dao.search(dto);
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service search End");
        return list;
    }

    /**
    * Get List of Users
    *
    * @return list : List of Users
    * @throws ApplicationException
    */
    public List list() throws ApplicationException {
        log.debug("Service list Started");
        List list;
        try {
            list = dao.list();
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service list End");
        return list;
    }

    /**
    * Get List of Users with pagination
    *
    * @return list : List of Users
    * @param pageNo
    *            : Current Page No.
    * @param pageSize
    *            : Size of Page
    * @throws ApplicationException
    */
    public List list(int pageNo, int pageSize) throws ApplicationException {
        log.debug("Service list Started");
        List list;
        try {
            list = dao.list(pageNo, pageSize);
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service list End");
        return list;
    }

    /**
    * Change Password By pk
    *
    * @param pk
    *            ,oldPassword,newPassword : get parameter
    * @return dto
    * @throws ApplicationException
    * @throws RecordNotFoundException
    */
    @Override
    public boolean changePassword(Long id, String oldPassword,
            String newPassword) throws RecordNotFoundException,
            ApplicationException {
        log.debug("Service changePassword Started");
        boolean flag = false;
        UserDTO dtoExist = null;
        try {
            dtoExist = dao.findByPK(id);
            if (dtoExist != null && dtoExist.getPassword().equals(oldPassword)) {
                dtoExist.setPassword(newPassword);
                dao.update(dtoExist);
                flag = true;

                HashMap<String, String> map = new HashMap<String, String>();
                map.put("firstName", dtoExist.getFirstName());
                map.put("lastName", dtoExist.getLastName());
                map.put("login", dtoExist.getLogin());
                map.put("password", dtoExist.getPassword());

                String message = EmailBuilder.getForgetPasswordMessage(map);
                EmailMessage msg = new EmailMessage();

                msg.setTo(dtoExist.getLogin());
                msg.setSubject("SUNARYS ORS Password has been changed Successfully.");
                msg.setMessage(message);
                msg.setMessageType(EmailMessage.HTML_MSG);

                EmailUtility.sendMail(msg);
            } else {
                throw new RecordNotFoundException("Old Password not match.");
            }
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service changePassword End");
        return flag;
    }

    /**
    * User Authentication
    *
    * @return dto : Contains User's information
    * @param dto
    * @throws ApplicationException
    */
    @Override
    public UserDTO authenticate(UserDTO dto) throws ApplicationException {
        try {
            UserDTO dtoExist = dao.findByLogin(dto.getLogin());
            if (dtoExist != null
                    && dtoExist.getPassword().equals(dto.getPassword())) {
                dtoExist.setLastLogin(new Timestamp(new Date().getTime()));
                dtoExist.setLastLoginIP(dto.getLastLoginIP());
                dao.update(dtoExist);
                return dtoExist;
            } else {
                throw new ApplicationException("Invalid Username or Password");
            }
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
    }

    /**
    * Lock User for certain time duration
    *
    * @return boolean : true if success otherwise false
    * @param login
    *            : User Login
    * @throws ApplicationException
    * @throws RecordNotFoundException
    *             : throws when user not found
    */
    @Override
    public boolean lock(String login) throws RecordNotFoundException,
            ApplicationException {
        log.debug("Service lock Started");
        boolean flag = false;
        UserDTO dtoExist = null;
        try {
            dtoExist = findByLogin(login);
            if (dtoExist != null) {
                dtoExist.setLock(UserDTO.ACTIVE);
                dao.update(dtoExist);
                flag = true;
            } else {
                throw new RecordNotFoundException("LoginId not exist");
            }
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service lock End");
        return flag;
    }

    /**
    * Reset Password of User with auto generated Password
    *
    * @return boolean : true if success otherwise false
    * @param login
    *            : User Login
    * @throws ApplicationException
    * @throws RecordNotFoundException
    *             : throws when user not found
    */
    @Override
    public boolean resetPassword(String login) throws RecordNotFoundException,
            ApplicationException {
        log.debug("Service restPassword Started");
        boolean flag = false;
        UserDTO dtoExist = null;
        try {
            dtoExist = dao.findByLogin(login);
            if (dtoExist != null) {
                String newPassword = String.valueOf(new Date().getTime())
                        .substring(0, 4);
                dtoExist.setPassword(newPassword);
                dao.update(dtoExist);

                HashMap<String, String> map = new HashMap<String, String>();
                map.put("login", dtoExist.getLogin());
                map.put("password", dtoExist.getPassword());
                map.put("firstName", dtoExist.getFirstName());
                map.put("lastName", dtoExist.getLastName());
                String message = EmailBuilder.getForgetPasswordMessage(map);

                EmailMessage msg = new EmailMessage();
                msg.setTo(dtoExist.getLogin());
                msg.setSubject("Password has been reset.");
                msg.setMessage(message);
                msg.setMessageType(EmailMessage.HTML_MSG);
                EmailUtility.sendMail(msg);

                flag = true;
            } else {
                throw new RecordNotFoundException("LoginId not exist");
            }
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service restPassword End");
        return flag;
    }

    /**
    * Send the password of User to his Email
    *
    * @return boolean : true if success otherwise false
    * @param login
    *            : User Login
    * @throws ApplicationException
    * @throws RecordNotFoundException
    *             : throws when user not found
    */
    public boolean forgetPassword(String login) throws RecordNotFoundException,
            ApplicationException {
        log.debug("Service forgetPassword Started");
        boolean flag = false;
        UserDTO dtoExist = null;
        try {
            dtoExist = dao.findByLogin(login);
            if (dtoExist != null) {

                HashMap<String, String> map = new HashMap<String, String>();
                map.put("firstName", dtoExist.getFirstName());
                map.put("lastName", dtoExist.getLastName());
                map.put("login", dtoExist.getLogin());
                map.put("password", dtoExist.getPassword());

                String message = EmailBuilder.getForgetPasswordMessage(map);

                EmailMessage msg = new EmailMessage();

                msg.setTo(dtoExist.getLogin());
                msg.setSubject("SUNARYS ORS Password reset.");
                msg.setMessage(message);
                msg.setMessageType(EmailMessage.HTML_MSG);

                EmailUtility.sendMail(msg);

                flag = true;
            } else {
                throw new RecordNotFoundException("LoginId not exist");
            }
        } catch (DatabaseException e) {
            log.error("Application Exception..", e);
            throw new ApplicationException("Database Exception");
        }
        log.debug("Service forgetPassword End");
        return flag;
    }

    /**
    * Get User Roles
    *
    * @return RoleDTO : User Role
    * @param dto
    * @throws ApplicationException
    */
    @Override
    public RoleDTO getRole(UserDTO dto) throws ApplicationException {
        return null;
    }

    /**
    * Update User access
    *
    * @return dto
    * @param dto
    * @throws ApplicationException
    */
    @Override
    public UserDTO updateAccess(UserDTO dto) throws ApplicationException {
        return null;
    }

}

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