我正在尝试将身份验证服务注入(inject)过滤器
-
@Autowired
AuthRequestService authService;
并在 doFiler
方法中使用它 -
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
HttpServletRequest req = (HttpServletRequest) request;
System.out.println("SAPServiceFilter: "+ req.getRequestURI());
//TODO - create auth sender
authService.isAuthnticate((HttpServletRequest)request); //null
chain.doFilter(request, response);
}
我的过滤器类位于我的@SpringBootApplication
类的子包中,并用@service
注释 -
@Service
public class AuthRequestService {
@PostConstruct
public void init() {
System.out.println("AuthRequestService @PostConstruct");
}
public boolean isAuthnticate(HttpServletRequest request) {
System.out.println("isAuthnticate");
return true;
}
}
当使用 - 列出我的所有 bean 时,该类也会出现
for (String name : applicationContext.getBeanDefinitionNames()) {
System.out.println(name);
}
仍然在调试 authService
为 null 时,过滤器的最后一件事是使用 FilterRegistrationBean
注册 -
FilterRegistrationBean<SAPServiceFilter> filterRegBean = new FilterRegistrationBean<>();
filterRegBean.setFilter(new SAPServiceFilter());
最佳答案
您可以使用构造函数注入(inject)。假设您的过滤器注册 bean 位于组件中并且可以访问该服务,您可以在那里 Autowiring 它并使用构造函数传递它
@Autowired
AuthRequestService authRequestService;
[...]
FilterRegistrationBean<SAPServiceFilter> filterRegBean = new FilterRegistrationBean<>();
filterRegBean.setFilter(new SAPServiceFilter(authRequestService));
关于java - Spring boot-将服务注入(inject)doFiler,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/52947543/