import org.springframework.security.oauth2.provider.endpoint.TokenEndpoint;@Componentpublic class AuthTokenComponent { ? ?@Autowired ? ?private TokenEndpoint tokenEndpoint; ? ?public Oauth2TokenDto getAccessToken(String clientId, String clientSecurity , List<GrantedAuthority> grantedAuthorities, Map<String, String> params) throws HttpRequestMethodNotSupportedException { ? ? ? ?User principle = new User(clientId,clientSecurity,true,true,true,true,grantedAuthorities); ? ? ? return getAccessToken(principle,params);