Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package serviceComposite; import common.Enums.SignInResult; import dao.FileEntity; import dao.UserDaoLocal; import dao.UserEntity; import java.io.IOException; import java.util.logging.Level; import java.util.logging.Logger; import javax.ejb.EJB; import javax.ejb.Stateless; import org.springframework.stereotype.Component; import org.springframework.web.multipart.MultipartFile; import service.FileServiceLocal; /** * * @author Nath */ @Component @Stateless public class UserServiceComposite implements UserServiceCompositeLocal { @EJB UserDaoLocal userDao; @EJB FileServiceLocal fileService; @Override public boolean checkFriendship(UserEntity user, UserEntity friend) { return user.getFriends().contains(friend); } @Override public boolean addFriendship(UserEntity user, UserEntity friend) { if (user.addFriend(friend) && friend.addFriend(user)) { this.userDao.update(user); this.userDao.update(friend); return true; } return false; } @Override public boolean removeFriendship(UserEntity user, UserEntity friend) { if (user.removeFriend(friend) && friend.removeFriend(user)) { this.userDao.update(user); this.userDao.update(friend); return true; } return false; } @Override public SignInResult checkSignIn(String name, String password) { UserEntity user = this.userDao.findByName(name); if (user == null) { return SignInResult.WRONG_USER; } if (!password.equals(user.getPassword())) { return SignInResult.WRONG_PASSWORD; } return SignInResult.SUCCESS; } @Override public void updateInfo(UserEntity user, String newInfo) { user.setInformation(newInfo); this.userDao.update(user); } @Override public void updateProfilePicture(UserEntity user, MultipartFile file) { FileEntity oldProfilePicture = this.fileService.findProfilePicture(user); if (oldProfilePicture != null) { this.fileService.remove(oldProfilePicture); user = this.userDao.findById(user.getId()); } try { this.fileService.add(file.getOriginalFilename(), file.getContentType(), file.getBytes(), user, true); } catch (IOException e) { } } }