This make sense. I will do it asap.
Can you report an "enhancement request" so that I remind it.
Thanks,
cedric
Jay wrote:
Requested modification of tiles/InsertTag.java
I appreciate your ExceptionHandler concept and use it for capturing
critical errors, thoroughly logging both error and context information
and forwarding to a special web page that displays very concise
information about the error (error reference number, etc) However, for
completeness sake, I wish to capture any serious errors that occur in
the "forwarding" phase beyond action handling processing, where,
particularly using "tiles", one or more JSP servlets are run.
I found a solution that seemed straightforward. Since I already
sub-classed TilesRequestProcessor to override one of the other "process"
methods, I simply overrode processActionForward, wrapped the call to the
super class in a try/catch block, and forwarded accordingly if an
exception is thrown. Below shows the pertinent portions of the
override:
protected void processActionForward(HttpServletRequest request,
HttpServletResponse response,
ActionForward forward)
throws IOException, ServletException {
try {
super.processActionForward(request,response,forward);
}
catch (Throwable ex) {
// Log information, etc
ActionForward errorForward;
// Fetch special forwarding for critical errors.
.
.
. .
super.processActionForward(request,response,errorForward); }
}
The "snag" I ran into was tiles/InsertTag. The normal behavior of the
class is to broadcast the error message on the web page and "carry on."
Specifically, from the inner protected class
InsertHandler::processException():
protected void processException(Throwable ex, String msg) throws
JspException {
.
.
.
.
} else { // show only message
pageContext.getOut().println(msg);
} // end if
Could you kindly consider moving the real processing of
processException() to a method inside InsertTag itself so that users may
easily sub-class to override the "broadcasting" behavior? In other
words, could you do something like:
protected class InsertHandler {
.
.
protected void processException(Throwable ex.msg,String
msg) throws
JspException
{
processTilesException(ex,msg);
}
}
/** Real work done here
*/
protected void processTilesException(Throwable ex, String msg)
throws
JspException {
.
.
.
}
I would be greatly appreciative if you consider this very minor change.
Thank you,
Jay
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