/** 获取用户Details信息的回调函数. */
public UserDetails loadUserByUsername(String username)
throws UsernameNotFoundException, DataAccessException {
User user = accountManager.findUserByLoginName(username);
if (user == null) {
throw new UsernameNotFoundException("用户" + username + " 不存在");
}
Set<GrantedAuthority> grantedAuths = obtainGrantedAuthorities(user);
// -- hm示例中无以下属性, 暂时全部设为true. --//
boolean enabled = true;
boolean accountNonExpired = true;
boolean credentialsNonExpired = true;
boolean accountNonLocked = true;
UserDetails userdetails =
new org.springframework.security.core.userdetails.User(
user.getLoginName(),
user.getPassword(),
enabled,
accountNonExpired,
credentialsNonExpired,
accountNonLocked,
grantedAuths);
return userdetails;
}
/** 获得用户所有角色的权限集合. */
private Set<GrantedAuthority> obtainGrantedAuthorities(User user) {
Set<GrantedAuthority> authSet = Sets.newHashSet();
for (Role role : user.getRoleList()) {
for (Authority authority : role.getAuthorityList()) {
authSet.add(new GrantedAuthorityImpl(authority.getPrefixedName()));
}
}
return authSet;
}