spring-session CurrentUser 源码
spring-session CurrentUser 代码
文件路径：/spring-session-samples/spring-session-sample-boot-websocket/src/main/java/sample/security/CurrentUser.java
/*
* Copyright 2014-2016 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.security;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.annotation.AuthenticationPrincipal;
import org.springframework.security.core.context.SecurityContextHolder;
/**
* Annotate Spring MVC method arguments with this annotation to indicate you wish to
* specify the argument with the value of the current
* {@link Authentication#getPrincipal()} found on the {@link SecurityContextHolder}.
*
* <p>
* Creating your own annotation that uses {@link AuthenticationPrincipal} as a meta
* annotation creates a layer of indirection between your code and Spring Security's. For
* simplicity, you could instead use the {@link AuthenticationPrincipal} directly.
* </p>
*
* @author Rob Winch
*
*/
@Target(ElementType.PARAMETER)
@Retention(RetentionPolicy.RUNTIME)
@Documented
@AuthenticationPrincipal
public @interface CurrentUser {
}
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