lol! not what i was expecting, but very interesting! :)
before i use this suggestion, would anyone else like to challenge this
solution with a *more elegant* solution? ;)
and without making getters and setters!!
woodchuck
--- Rick Reumann <[EMAIL PROTECTED]> wrote:
> Woodchuck wrote:
>
> > how can i do the following the non-scriptlet way on my jsp page?
> >
> > <%@ page import="MyPackage.Constants"%>
> >
> > <%= Constants.BUTTON__KEY %>
> >
> >
> > is there an elegant Struts or JSTL equivalent for the above?
>
> Thankfully Kris Schneider demonstrated a good way to handle this...
>
> In your Constants class add a method similar to this:
>
> public static Map getConstantsMap() {
> Map propMap = null;
> try {
> Field[] allFields = Constants.class.getDeclaredFields();
> int numFields = allFields.length;
> propMap = new HashMap(numFields);
> for(int i = 0; i < numFields; i++) {
> Field f = allFields[i];
> int mods = f.getModifiers();
> if(Modifier.isPublic(mods) && Modifier.isStatic(mods) &&
>
> Modifier.isFinal(mods)) {
> String name = f.getName();
> Object value = f.get(null);
> propMap.put(name, value);
> }
> }
> } catch(IllegalAccessException ie) {
> log.error("Problem loading getConstantsMap " + ie);
> }
>
> return Collections.unmodifiableMap(propMap);
> }
>
>
> Then, I have a Servlet that runs on applications startup (such as a
> ServletContextListener) that will load the constants map into
> application scope:
>
> ServletContext context = contextEvent.getServletContext();
> try {...
> context.setAttribute("CONSTANTS", Constants.getConstantsMap());
>
> Now anywhere in your JSPs you can just use the Map
>
> ${CONSTANTS.SOME_CONSTANT}
>
>
> --
> Rick
>
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