url-pattern with query string

Question

Can a url-pattern in a web.xml file use the query string to determine the match such as:

<security-constraint>
    <web-resource-collection>
        <web-resource-name>myServletTest</web-resource-name>
        <url-pattern>/myServlet?test=one</url-pattern>
        <http-method>GET</http-method>
        <http-method>POST</http-method>
    </web-resource-collection>

Or is that invalid or will it just match myServlet ignoring the query string?

use a different security constraint based upon a value in the query string. One servlet loads different configurations dependant upon a parameter but I want to restrict different roles to different configurations but access to the same servlet. I would be interested in opinions of different approaches within the J2EE environment. — Gurnard
– Gurnard, Commented Nov 9, 2011 at 12:41

Daan · Accepted Answer · 2011-11-09 11:08:06Z

5

According to section 12.1 of the Java Servlet Specification Version 3.0 Rev a:

The path used for mapping to a servlet is the request URL from the request object minus the context path and the path parameters.

I don't know what the exact result will be, but it won't be the result you're after since the parameters will be stripped before any servlet is chosen to process the request.

What prohibits you from simply using a different path?

answered Nov 9, 2011 at 11:08

Daan

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