如何在不使用JSF的情况下使用Java CDI获取服务器的URL

Question

My app is an Java REST app, and i need to send e-mails.

The e-mail has the URL for the related action...

How can i get the real server address????

I can get the Session instance, but it has only the contextPath...

http://xxxxxx/<contextPath>

I need the fully context... like this

<protocol>://<domain>/<contextPath>

Answer 1

If you use Java EE 7 / CDI 1.1+ you can inject ServletContext for the application and HttpServletRequest for the current request :

@Inject
ServletContext context;

@Inject
HttpServletRequest request;

You'll have what you need in these to build your URL.

If you are on Java EE 6 / CDI 1.0 the easiest solution is to add Apache Deltaspike servlet module to your project, then you'll have the same feature with :

@Inject
@Deltaspike
ServletContext context;

@Inject
@Deltaspike
HttpServletRequest request;