W dniu 15.05.2012 21:04, chris-c pisze:
> I'm trying to map the root of the application context "/" to an existing
> actionBean.
> The actionbean I want "/" to go to, is currently bound to "/category".
>
I've wrestled with this for some time and no solution was flexible
enough for my needs (I need mod_rewrite-style capabilities for my CMS).
If your webapp is the only one on the app server, you can set it as
default etc. but it differs between servers and is not elegant imo.
I've ended up with a servlet filter, configured in my web.xml before
Stripes filter, here's the most important part of it:
/* (C) 2009-2012 Krop s.c. www.krop.pl */
package pl.nkrop.ec.web.servlet.filter;
import java.io.IOException;
import javax.ejb.EJBException;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import pl.nkrop.ec.ejb.exception.WrongSidException;
import pl.nkrop.ec.ejb.wrapper.LoginToken;
import pl.nkrop.ec.web.backend.Ejb;
import pl.nkrop.ec.web.context.SidHelper;
import pl.nkrop.ec.web.i18n.LocalePicker;
/**
*
* @author Grzegorz KrugĹy <g...@krop.pl>
*/
public class UrlRewritingFilter implements Filter {
private FilterConfig filterConfig;
@Override
public void init(FilterConfig filterConfig) throws ServletException {
this.filterConfig = filterConfig;
}
@Override
public void doFilter(ServletRequest request, ServletResponse
response, FilterChain chain) throws IOException, ServletException {
HttpServletRequest req = (HttpServletRequest) request;
// check for URL mapping
String rewrittenUrl = Ejb.get().getUrlMapping(store,
req.getRequestURI());
if (rewrittenUrl == null) {
chain.doFilter(request, response);
} else {
filterConfig.getServletContext().getRequestDispatcher(rewrittenUrl).forward(request,
response);
return;
}
}
@Override
public void destroy() {
this.filterConfig = null;
}
}
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