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 com.bac.accountserviceapp; import com.bac.accountserviceapp.data.AccessLevel; import com.bac.accountserviceapp.data.Account; import com.bac.accountserviceapp.data.AccountServiceUserDetails; import com.bac.accountserviceapp.data.AccountUser; import com.bac.accountserviceapp.data.Application; import com.bac.accountserviceapp.data.SimpleAccountUser; import com.bac.accountserviceapp.data.SimpleUser; import com.bac.accountserviceapp.data.User; import com.bac.accountserviceapp.data.UserDetailsAuthority; import java.util.Collection; import java.util.HashSet; import java.util.Objects; import java.util.Set; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.security.core.userdetails.UserDetails; import org.springframework.security.core.userdetails.UserDetailsService; import org.springframework.security.core.userdetails.UsernameNotFoundException; /** * * @author user0001 */ public class AccountServiceUserDetailsService implements UserDetailsService { private AccountAccess access; // private final String nullAccessorMsg = "No instance of AccountAccess supplied"; private final String nameNotFoundMsgFormat = "No instance of '%s' found"; // logger private static final Logger logger = LoggerFactory.getLogger(AccountServiceUserDetailsService.class); public AccountAccess getAccess() { return access; } public void setAccess(AccountAccess access) { this.access = access; } @Override public UserDetails loadUserByUsername(String userKey) throws UsernameNotFoundException { Objects.requireNonNull(access, nullAccessorMsg); // // Read the User object by secondary key // User user = new SimpleUser(); user.setUserEmail(userKey); user = access.getUserBySecondaryKey(user); if (user == null) { throw new UsernameNotFoundException(String.format(nameNotFoundMsgFormat, userKey)); } // Read User accounts and generate UserDetailsAuthority list Collection<UserDetailsAuthority> userDetailsAuthorities = null; String s = user.getUserName(); Set<? extends Account> accounts = user.getAccounts(); if (accounts == null) { return new AccountServiceUserDetails(user, userDetailsAuthorities); } // // Generate UserDetailsAuthority list // userDetailsAuthorities = new HashSet<>(); for (Account account : accounts) { // // Inactive accounts should be skipped // if (!account.isEnabled()) { continue; } AccountUser accountUser = new SimpleAccountUser(); accountUser.setAccountId(account.getId()); accountUser.setUserId(user.getId()); accountUser = access.getAccountUser(accountUser); // // Inactive user accounts should be skipped // if (!accountUser.isEnabled()) { continue; } Application application = access.getApplication(account.getApplicationId()); // // Inactive application should be skipped // if (!application.isEnabled()) { continue; } // // Populate // AccessLevel accessLevel = access.getAccessLevel(accountUser.getAccessLevelId()); UserDetailsAuthority uda = new UserDetailsAuthority(application, accessLevel); userDetailsAuthorities.add(uda); } // // Create new AccountsServiceUserDetails // return new AccountServiceUserDetails(user, userDetailsAuthorities); } }