Java EE: how to get the URL of my application?

Question

In Java EE, how can I dynamically retrieve the full URL for my application?

For example, if the URL is "localhost:8080/myapplication/", I would like a method that can simply return this to me, either as a String or something else.

I am running GlassFish as application server.

score 7 · Accepted Answer · answered Oct 08 '12 at 20:59

7

Inside any servlet or filter you have access to HttpServletRequest which allows you to see what URL was used by the client to access your application, e.g. try HttpServletRequest.getRequestURL().

answered Oct 08 '12 at 20:59

Tomasz Nurkiewicz

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Great! However, can this also be done from inside an ordinary backing bean? – csvan Oct 08 '12 at 21:03
and if you're using JSF, you can find this (HttpServletRequest object) in the current instance of FacesContext – Jordan Denison Oct 08 '12 at 21:03

score 0 · Answer 2 · answered May 01 '18 at 09:43

In JSF I was able to achieve this relatively easily using the following helper function (all you need is a reference to the HttpServletRequest:

public static String getRequestUrl() {
    HttpServletRequest request = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext().getRequest();
    StringBuffer requestURL = request.getRequestURL();
    if (request.getQueryString() != null) {
        requestURL.append("?");
        requestURL.append(request.getQueryString());
    }
    return requestURL.toString();
}

Java EE: how to get the URL of my application?

2 Answers2

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