Игорь Александрович

@Autowired
    @Qualifier("securityUserDetailsService")
    private UserDetailsService userDetailsService;

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService).passwordEncoder(new BCryptPasswordEncoder());
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.authorizeRequests()
            .antMatchers("/resources/**").permitAll()
            .antMatchers("/template/**").permitAll()
            .antMatchers("/user/**").permitAll()
            .anyRequest()
            .authenticated()
            .and()
            .formLogin()
            .defaultSuccessUrl("/")
            .loginProcessingUrl("/authenticate")
            .usernameParameter("username")
            .passwordParameter("password")
            .successHandler(new AjaxAuthenticationSuccessHandler(new SavedRequestAwareAuthenticationSuccessHandler()))
            .loginPage("/")
            .and()
            .httpBasic()
            .and()
            .logout()
            .logoutUrl("/logout")
            .logoutSuccessUrl("/")
            .permitAll()
            .and()
            .csrf()
            .csrfTokenRepository(csrfTokenRepository())
            .and()
            .addFilterAfter(csrfHeaderFilter(), CsrfFilter.class);
    }

    private CsrfTokenRepository csrfTokenRepository() {
        HttpSessionCsrfTokenRepository repository = new HttpSessionCsrfTokenRepository();
        repository.setHeaderName("X-XSRF-TOKEN");
        return repository;
    }

    private Filter csrfHeaderFilter() {
        return new OncePerRequestFilter() {
            @Override
            protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
                CsrfToken csrf = (CsrfToken) request.getAttribute(CsrfToken.class.getName());

                if (csrf != null) {
                    Cookie cookie = WebUtils.getCookie(request, "XSRF-TOKEN");
                    String token = csrf.getToken();
                    if (cookie == null || token != null && !token.equals(cookie.getValue())) {
                        cookie = new Cookie("XSRF-TOKEN", token);
                        cookie.setPath("/");
                        response.addCookie(cookie);
                    }
                }

                filterChain.doFilter(request, response);
            }
        };
    }

Интересует какие есть способы не создавать каждый раз AmazonS3Client перед вызовом putObject.