如何检查“hasRole”使用Spring Security的Java代码？ [英] How to check "hasRole" in Java Code with Spring Security?

问题描述

如何检查Java代码中的用户权限或权限？例如 - 我想根据角色为用户显示或隐藏按钮。有以下注释：

How to check user authority or permission in Java Code ? For example - I want to show or hide button for user depending on role. There are annotations like:

@PreAuthorize("hasRole('ROLE_USER')")

如何在Java代码中创建它？类似于：

How to make it in Java code? Something like :

if(somethingHere.hasRole("ROLE_MANAGER")) {
   layout.addComponent(new Button("Edit users"));
}

推荐答案

Spring Security 3.0有这个API

Spring Security 3.0 has this API

SecurityContextHolderAwareRequestWrapper.isUserInRole(String role)

在使用它之前，你必须注入包装器。

You'll have to inject the wrapper, before you use it.

SecurityContextHolderAwareRequestWrapper

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