I have been working on setting up a multi-app application by using multiple config/
init-param elements and struts configuration files. It seems to me that there is a
small problem in the RequestUtils class when a request URI is used to locate the
proper sub-application so that an ApplicatonConfig object can be located for the
sub-application.
Here's a snippet of the selectApplication method in the RequestUtils class:
public static void selectApplication(
HttpServletRequest request,
ServletContext context) {
// Acquire the path used to compute the sub-application
String matchPath = request.getServletPath();
// Match against the list of sub-application prefixes
String prefix = "";
String prefixes[] = getApplicationPrefixes(context);
for (int i = 0; i < prefixes.length; i++) {
if (matchPath.startsWith(prefixes[i])) {
prefix = prefixes[i];
break;
}
}
etc...
It's my understanding through debugging that the matchPath field will be assigned the
sub-application prefix like "/order". This should a value that is suffixed to a config
init-param for the sub-app in web.xml.
(My first assumption that could be wrong).
If this is true and the field matchPath contains the sub-app prefix, then I don't
think the line:
matchPath.startsWith(prefixes[i]))
will ever return true, because the prefixes array should contain prefixes that have
the Action.APPLICATION_KEY prepended to the front of the prefix when it's added to the
ServletContext in the initApplicationConfig method. This means that we are checking
whether some prefix like "/order" or "/checkout" starts with the
Action.APPLICATION_KEY + prefix.
Instead, the code falls through and the default application is selected every time
because the prefix is assigned a default value of "" in this method.
Shouldn't the check be something like:
prefixes[i].endsWith( matchPath )
I apologize if there is something that I missed, but I've been looking at it for a
couple of days and my mind is gone trying to solve this problem.
BTW, my web.xml is:
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>config/order</param-name>
<param-value>/WEB-INF/struts-order-config.xml</param-value>
</init-param>
and the URL that I'm entering is something like:
localhost/storefront/order/addItemToCart
where storefront is the web context.
Thanks,
Chuck Cavaness
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