在控制器的RequestMapping中启用ConditionalOnProperty

Question

我有一段代码-

    @PropertySource(value = "classpath:securityConfig.properties", ignoreResourceNotFound = true)
    @Controller
    public class IndexController {
        private static final String LOGIN_PAGE           = "login";
        private static final String HOME_PAGE            = "home";
        private static final String LOBBY_PAGE           = "lobby";
        private static final String FORGOT_USER_PAGE     = "forgotUserName";
        private static final String FORGOT_PASSWORD_PAGE = "forgotPassWord";

        @ConditionalOnProperty(name = "auth.mode", havingValue = "fixed")
        @PreAuthorize("isAnonymous()")
        @RequestMapping(method = RequestMethod.GET, value = { "/login" })
        public String getIndexPage() {
            return LOGIN_PAGE;
        }
}

但是，ConditionalOn 批注无法按预期方式工作。我不希望控制器执行，如果auth.mode不是固定的。注意 - 身份验证模式位于安全性配置文件中

我错过了什么吗？可能是类级别的注释？

Answer 1

编辑@PreAuthorize注释以添加条件

@PropertySource(value = "classpath:securityConfig.properties", ignoreResourceNotFound = true)
@Controller
public class IndexController {
    private static final String LOGIN_PAGE           = "login";
    private static final String HOME_PAGE            = "home";
    private static final String LOBBY_PAGE           = "lobby";
    private static final String FORGOT_USER_PAGE     = "forgotUserName";
    private static final String FORGOT_PASSWORD_PAGE = "forgotPassWord";

    @Value("${auth.mode:fixed}")
    private String authenticationMode;

    public String getAuthenticationMode(){
         return this.authenticationMode;
    }

    @PreAuthorize("isAnonymous() AND this.getAuthenticationMode().equals(\"fixed\")")
    @RequestMapping(method = RequestMethod.GET, value = { "/login" })
    public String getIndexPage() {
        return LOGIN_PAGE;
    }

Answer 2

您应该将< code > @ ConditionalOnProperty 批注移动到类中，而不是方法上。

@PropertySource(value = "classpath:securityConfig.properties", ignoreResourceNotFound = true)
@Controller
@ConditionalOnProperty(name = "auth.mode", havingValue = "fixed")
public class IndexController {
    ...
}

这意味着除非满足条件，否则整个控制器将不存在于应用程序上下文中。