Files
spring-session/spring-session-samples/spring-session-sample-boot-websocket/src/main/java/sample/mvc/UserControllerAdvise.java
2022-05-13 17:36:52 -05:00

38 lines
1.1 KiB
Java

/*
* Copyright 2014-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package sample.mvc;
import java.security.Principal;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ModelAttribute;
/**
* {@link ControllerAdvice} to expose user related attributes.
*
* @author Rob Winch
*/
@ControllerAdvice
public class UserControllerAdvise {
@ModelAttribute("currentUserName")
String currentUser(Principal principal) {
return (principal != null) ? principal.getName() : null;
}
}