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Re: [aspectj-users] Specifying pointcuts in aop.xml
|
Craig,
I assume the following: your useful
aspects are abstract WRT one or more pointcuts (a requirement of using
the concrete-aspect element); the names of the target applications are
known only to the user and provided through the tool; you will generate
the aop.xml. If so the pointcuts you list below can be used directly in
aop.xml. I don't see why you need a separate file with named pointcuts.
Matthew Webster
AOSD Project
Java Technology Centre, MP146
IBM United Kingdom Limited
Hursley Park, Winchester, SO21 2JN, England
Telephone: +44 196 2816139 (external) 246139 (internal)
Email: Matthew Webster/UK/IBM @ IBMGB, matthew_webster@xxxxxxxxxx
http://w3.hursley.ibm.com/~websterm/
"Craig Ching"
<craigching@xxxxxxxxx>
Sent by: aspectj-users-bounces@xxxxxxxxxxx
05/02/2007 22:05
Please respond to
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Subject
| [aspectj-users] Specifying pointcuts
in aop.xml |
|
Hi,
Is it possible to specify pointcuts such as the following coded pointcuts
in the aop.xml:
public pointcut loggedGetOperations (HttpServletRequest request,
HttpServletResponse response) : args (request, response)
&& (execution (void com.sun.bookstore1.servlets.BookStoreServlet.doGet(HttpServletRequest,
HttpServletResponse)) ||
execution (void
com.sun.bookstore1.servlets.CatalogServlet.doGet(HttpServletRequest, HttpServletResponse))
||
execution (void
com.sun.bookstore1.servlets.ShowCartServlet.doGet(HttpServletRequest, HttpServletResponse))
||
execution (void
com.sun.bookstore1.servlets.ShowCartServlet.doGet(HttpServletRequest, HttpServletResponse))
||
execution (void
com.sun.bookstore1.servlets.CashierServlet.doGet(HttpServletRequest, HttpServletResponse))
||
execution (void
com.sun.bookstore1.servlets.ReceiptServlet.doPost(HttpServletRequest, HttpServletResponse)));
My use case is the following. I want to provide a library of useful
aspects (for instance, HttpServlet logging). I want to give the user
a tool that allows them to choose the servlets to which this aspect should
be applied. What I don't want to have to do is have the user code
the aspects in any way. Once the user has selected the servlets to
which the aspect should be applied, I'd like to jar up the aspect code
and put their selected pointcuts in the aop.xml within the jar file.
I saw the other message about specifying the pointcuts in an external file,
but the answer (use a pointcut library) wasn't really satisfying because
then I'd have to include a build step for my users (true, I could do the
build for them, but it's more complicated that way).
Is there a solution for me? Has anyone thought about the need for
this if not?
Cheers,
Craig_______________________________________________
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