cz.swi2.mendeluis.service.facade.UserFacade.java Source code

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Here is the source code for cz.swi2.mendeluis.service.facade.UserFacade.java

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package cz.swi2.mendeluis.service.facade;

import cz.swi2.mendeluis.dataaccesslayer.domain.User;
import cz.swi2.mendeluis.dto.UserDTO;
import cz.swi2.mendeluis.facade.IUserFacade;
import cz.swi2.mendeluis.service.BeanMappingService;
import cz.swi2.mendeluis.service.UserService;
import java.security.Principal;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

/**
 * Pro prci s uivatelem
 *
 * @author Roman
 */
@Service
@Transactional
public class UserFacade implements IUserFacade {

    @Autowired
    private BeanMappingService beanMappingService;

    @Autowired
    private UserService userService;

    @Override
    public UserDTO createNewUser(String name, String username, String password) {
        User user = userService.createNewUser(name, username, password);
        UserDTO newUser = beanMappingService.mapTo(user, UserDTO.class);
        return newUser;
    }

    @Override
    public UserDTO getUserByUsername(String username) {
        return beanMappingService.mapTo(userService.getUserByUsername(username), UserDTO.class);
    }

    @Override
    public UserDTO getUserByCredentials(String username, String password) {
        return beanMappingService.mapTo(userService.getUserByCredentials(username, password), UserDTO.class);
    }

    @Override
    public List<UserDTO> getAllUsers() {
        return beanMappingService.mapTo(userService.getAllUsers(), UserDTO.class);
    }

    @Override
    public void deleteUser(int id) {
        userService.deleteUser(id);
    }

    @Override
    public void doLogin(String username) {
        try {
            Authentication token = new UsernamePasswordAuthenticationToken(username, null);
            SecurityContextHolder.getContext().setAuthentication(token);
        } catch (Exception e) {
            SecurityContextHolder.getContext().setAuthentication(null);
        }
    }

    @Override
    public void doLogout() {
        SecurityContextHolder.getContext().setAuthentication(null);
    }

    @Override
    public UserDTO getLoggedUser() {
        Authentication auth = SecurityContextHolder.getContext().getAuthentication();

        if (auth == null) {
            return null;
        }

        String username = ((org.springframework.security.core.userdetails.User) auth.getPrincipal()).getUsername();

        if (username == null) {
            return null;
        }

        UserDTO user = this.getUserByUsername(username);

        if (user == null) {
            return null;
        }

        return user;
    }
}