osgi.http.whiteboard.context.select=(osgi.http.whiteboard.context.name=*) does not work for servlet filter

[Nhut Thai Le]

Hello,

I have 2 bundles, one hosts a few servlets and resource services, the other hosts my servlet filters. The idea is to have the filters shared between all bundles. So, for each bundle (not the one contain the servlet filters) I create a ServletContextHelper:

@Component(

            service = ServletContextHelper.class,

          scope = ServiceScope.SINGLETON,

        property = {

                           "osgi.http.whiteboard.context.name=HomeServletContextHelper",

                          "osgi.http.whiteboard.context.path=/home"

              })

public class HomeServletContextHelper extends ServletContextHelper {

 @Override

      public URL getResource(String name) {

          BundleContext bundleContext = FrameworkUtil.getBundle(this.getClass()).getBundleContext();

             Bundle bundle = bundleContext.getBundle();

             if ((name != null) && (bundle != null)) {

                      if (name.startsWith("/")) {

                            name = name.substring(1);

                      }

                        return bundle.getEntry(name);

          }

              return null;

   }

}

Then in my servlet (in the same bundle as my ServletContextHelper above) I tell it to use the ServletContextHelper:

@Component(

            service = Servlet.class,

               property= {

                            "osgi.http.whiteboard.servlet.pattern=/token",

                         "osgi.http.whiteboard.context.select=(osgi.http.whiteboard.context.name=HomeServletContextHelper)"

             }

)

public final class AccessTokenServlet extends HttpServlet {...}

My resource service (in the same bundle as my ServletContextHelper above) is also set to use the same ServletContextHelper:

@Component(service = IndexPageResourceService.class,

   property = {

           "osgi.http.whiteboard.resource.pattern=/",

             "osgi.http.whiteboard.resource.prefix=/index.html",

            "osgi.http.whiteboard.context.select=(osgi.http.whiteboard.context.name=HomeServletContextHelper)"

     }

)

public class IndexPageResourceService {}

and finally my servlet filter (in the other bundle):

@Component(

            service = Filter.class,

        scope = ServiceScope.PROTOTYPE,

        property = {

                   "osgi.http.whiteboard.filter.name=AuthenticationFilter",

                       "osgi.http.whiteboard.filter.pattern=/*",

                      "osgi.http.whiteboard.context.select=(osgi.http.whiteboard.context.name=*)"

            }

)

public final class AuthenticationFilter implements Filter {...}

Here the filter is configured to be used by ANY servlet context helper (*) but it never got triggered. Interestingly, if i change the context selection of this filter to: "osgi.http.whiteboard.context.select=(osgi.http.whiteboard.context.name=HomeServletContextHelper)" then the filter is triggered when i request for /home or /home/token.

So the problem is the * not get interpreted as ANY but rather a name that never match. Is there a work around for this?

[Nhut Thai Le]

Look like this is a known issue: https://ops4j1.jira.com/projects/PAXWEB/issues/PAXWEB-1123. Is there an ETA for this ?

Thai

[Achim Nierbeck]

Hi Thai,

as this is an open source community, you can take control of the ETA of this fix, by providing us with a Patch for it :)

best regards, Achim

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