Re: non-default init-params and default ActionServlet

[exnihilo]

That is exactly what I'm trying to do, but when I try 
getInitParameterNames, I get an empty enumeration, and if I read the 
javadocs correctly, it is because if I use a default ActionServlet, then 
only the init-params mentioned in the javadocs are available, so my 
custom init-params are not there. I'm using Tomcat 5.0.18, if that makes 
a difference, and it's possible i'm doing something else wrong, but the 
app seems to load fine, the contextlistener gets called, but when I try 
to get the initparams within contextInitialized, I get only an empty 
enumeration.

thanks,

n.

Hubert Rabago wrote:

I might be missing something here, but why not get it inside the servlet
context initialized handler method?
   public void contextInitialized(ServletContextEvent event) {
       System.out.println("[contextInitialized] inside
contextInitialized()");
       System.out.println(" +-> context=" + event.getServletContext());
       ServletContext context = event.getServletContext();
       Enumeration enumeration = context.getInitParameterNames();
       while (enumeration.hasMoreElements()) {
           String name = (String) enumeration.nextElement();
           String value = context.getInitParameter(name);
           System.out.println("init param: [" + name + "=" + value + "]");
       }
   }
   public void contextDestroyed(ServletContextEvent event) {
       System.out.println("[contextDestroyed] inside contextDestroyed()");
       System.out.println(" +-> context=" + event.getServletContext());
   }
--- exnihilo <[EMAIL PROTECTED]> wrote:
 

I need the variables in a ServletContextListener that gets invoked once 
on startup and once on shutdown of the application, and don't need them 
anywhere else. I used to have a subclassed ActionServlet, where I did 
initialization and shutdown using a couple of init-params in the 
web.xml, but then I realized that using the default ActionServlet and 
using a ServletContextListener was cleaner, except that now the 
init-params no longer work. Ideally, I would like something as simple as 
including them in the web.xml..

Does anybody know the justification for preventing non-default 
init-params from being seen when using the default ActionServlet? It 
seems like a very easy solution to a very common need.

thanks,

n.

Hubert Rabago wrote:

   

Where do you need the values?  There are a lot of options, including using
servlet context variables and a simple Struts plugin.
--- exnihilo <[EMAIL PROTECTED]> wrote:

     

hi,

I have 2 init-params that I need to do pass into my struts app (that are
only used in a listener that gets called upon webapp startup and
shutdown). I did the obvious and included them in the web.xml, but it
seems that the default ActionServlet does not pick up any other
init-params than the ones it expects (if I read the javadocs correctly),
and that I need to subclass ActionServlet if I want to use other
init-params than the default ones.
Are there other options? It seems like overkill in this case, because
the default ActionServlet is totally sufficient for my needs in all
other regards. There is a probably a much better solution that I am not
finding.
Any ideas or pointers to more info?

thanks,

n.

  

       

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