I have a class that extents the default struts ExceptionHandler ( see below).
Now, when an exception occurs in the 'Action' class..., how do i make
sure that
the 'execute()' in 'MyExceptionHandler' is executed instaed of the
default ExceptionHandler?
public class MyExceptionHandler extends ExceptionHandler {
private MyChainedException tCE = null;=
/**
* Constructor for an external message
* @param tce of type MyChainedException
*
*/
public MyExceptionHandler(MyChainedException tce) {
this.tCE = tce;
}
public ActionForward execute(Exception ex,
ExceptionConfig config,
ActionMapping mapping,
ActionForm formInstance,
HttpServletRequest request,
HttpServletResponse response)
throws ServletException {
ActionForward forward = null;
ActionError error = null;
String property = null;
/* Get the path for the forward either from the exception element
* or from the input attribute.
*/
String path = null;
if (config.getPath() != null) {
path = config.getPath();
}else{
path = mapping.getInput();
}
// Construct the forward object
forward = new ActionForward(path);
/* Figure out what type of exception has been thrown. The Struts
* AppException is not being used in this example.
*/
if( tCE instanceof MyChainedException) {
// This is the specialized behavior
Throwable t = tCE.getCause();
String messageKey = t.getClass().getName();
error = new ActionError( messageKey );
}
// Store the ActionError into the proper scope
// The storeException method is defined in the parent class
storeException(request, property, error, forward, =
config.getScope());
return forward;
}
}
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