如何在GlassFish中的JSF服务中获取登录用户的名称

问题描述

我在GlassFish上有一个JSF应用程序。它的设计是这样的：
$ b $ user.xhtml> UserHandler.java> UserService.java> UserDAO.java> database

我知道在UserHandler中，我可以使用FacesContext获取登录的用户名。

我的问题是，在UserService内部（它与JSF查看）如何在不使用FacesContext的情况下获取登录用户的名称？

我不想从服务内部引用FacesContext，因为将来可能会从Web服务或备用视图技术访问服务。

或者，我可以将登录用户的名称传递给Service中的每个方法，但我宁愿不这样做，或者仅仅因为它看起来有点笨拙。

任何建议都非常感谢！
Rob

解决方案

I have a JSF app on GlassFish. It's designed like so:

user.xhtml > UserHandler.java > UserService.java > UserDAO.java > database

I know that in the UserHandler, I can get the logged in user name using the FacesContext.

My question is, inside the UserService (which is decoupled from the JSF view) how can I get the name of the logged in user without using FacesContext?

I don't want to reference FacesContext from inside the service because it's possible in the future that the service will be accesses from a webservice or alternate view technology.

Alternately, I can pass in the name of the logged in user to each method in the Service, but I prefer not to do that either just because it seems a little kludgy.

Any suggestions are greatly appreciated!Rob

解决方案

javax.servlet.http.HttpServletRequest#getRemoteUser

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