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RE: [aspectj-users] RE: RE: How to use loadtimeweaving(WeavingURLClassLoader)?
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Title: Message
Hi
If you
need to support JDKs prior to Java5 there is an alternative way of doing
it:
java
-Xbootclasspath/p:<install>\java13Adapter.jar
-Xbootclasspath/a:<install>\createJavaAdapter.jar;<install>\aspectj14Adapter.jar;<install>\aspectjweaver.jar;<install>\sax-2.0.1.jar
Where
install is where you have the jars. I use this aproach for weaving classes on
WebSpere 5 (JDK 1.3). Search this list for WebSphere 5 for nore
info.
Hermod
Hi
Hermod,
First of all, I do not want to change my Application launch
script, secondly I may want to support JDK 1.4.
I think the classloader
approach is more elegant.
Thanks
Anfernee
On Mon, Apr 28, 2008 at 12:55 PM, <
aspectj-users-request@xxxxxxxxxxx>
wrote:
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Today's
Topics:
1. RE: RE: How to use load
timeweaving(WeavingURLClassLoader)?
(hermod.opstvedt@xxxxxxxxx) (hermod.opstvedt@xxxxxxxxx)
----------------------------------------------------------------------
Message:
1
Date: Mon, 28 Apr 2008 06:56:13 +0200
From: <hermod.opstvedt@xxxxxxxxx>
Subject:
RE: [aspectj-users] RE: How to use load
timeweaving(WeavingURLClassLoader)? (hermod.opstvedt@xxxxxxxxx)
To:
<aspectj-users@xxxxxxxxxxx>
Message-ID:
<A12D434EDE49E0438590A76648A8B78A0199264F@xxxxxxxxxxxxxxxxxxxxxxxx>
Content-Type:
text/plain; charset="iso-8859-1"
Hi
I still don't see why #1
won't fit your case. Your classloaders inherit the classpath and properties
from the main class loader don't they?
Hermod
-----Original
Message-----
From: aspectj-users-bounces@xxxxxxxxxxx
[mailto:aspectj-users-bounces@xxxxxxxxxxx]
On Behalf Of Anfernee Xu
Sent: Monday, April 28, 2008 4:25 AM
To: aspectj-users@xxxxxxxxxxx
Subject:
[aspectj-users] RE: How to use load timeweaving(WeavingURLClassLoader)? (hermod.opstvedt@xxxxxxxxx)
Hi
Hermod,
Thanks for your information, but this approach is not
what I want, according to
http://www.eclipse.org/aspectj/doc/released/devguide/ltw-configuration.html
there're
3 ways to enable load-time weaving, your suggestion is #1 agent, but
I
would like to use #3 Custom classloader (WeavingURLClassLoader).
My
application is multi-Classloader application, a sub-component has its own
ClassLoader (My App classloader) to load its classes to get working, my
intention is to use WeavingURLClassLoader to wrap in My App classloader, so
my classes can be weaved at load time.
I want to know how and what I
need to do to use
WeavingURLClassLoader.
Thanks
Anfernee
On Fri, Apr
25, 2008 at 10:11 PM, <aspectj-users-request@xxxxxxxxxxx>
wrote:
Send aspectj-users mailing list submissions to
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To
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https://dev.eclipse.org/mailman/listinfo/aspectj-users
or,
via email, send a message with subject or body 'help' to
aspectj-users-request@xxxxxxxxxxx
You
can reach the person managing the list at
aspectj-users-owner@xxxxxxxxxxx
When
replying, please edit your Subject line so it is more specific
than "Re:
Contents of aspectj-users digest..."
Today's
Topics:
1. AJDT 1.5.2 for Eclipse 3.3 now available
(incorporates
AspectJ 1.6.0) (Andy
Clement)
2. How to use load time weaving? (Anfernee Xu)
3.
RE: How to use load time weaving? (hermod.opstvedt@xxxxxxxxx)
4.
Around Advice Generic (vtitou vergeos)
5. Re: Around Advice Generic
(Eric Bodden)
6. Re: Around Advice Generic (Dean
Wampler)
----------------------------------------------------------------------
Message:
1
Date: Thu, 24 Apr 2008 16:43:50 -0700
From: "Andy Clement" <andrew.clement@xxxxxxxxx>
Subject:
[aspectj-users] AJDT 1.5.2 for Eclipse 3.3 now available
(incorporates AspectJ 1.6.0)
To: aspectj-users@xxxxxxxxxxx,
"AspectJ Development Tools developer
discussions" <ajdt-dev@xxxxxxxxxxx>
Message-ID:
<689d61aa0804241643w68f5f2eendb9cdd243c0a6af4@xxxxxxxxxxxxxx>
Content-Type:
text/plain; charset=ISO-8859-1
AJDT 1.5.2 final is now available for
Eclipse 3.3. This includes
AspectJ1.6.0 final which shipped
yesterday.
It is available at the release update site:
http://download.eclipse.org/tools/ajdt/33/update
The
download page also includes a link to a downloadable zip version of
AJDT:
http://www.eclipse.org/ajdt/downloads/
For more
information on AspectJ 1.6.0, see the readme:
http://www.eclipse.org/aspectj/doc/released/README-160.html
The
33 dev update site for AJDT will now host AJDT 1.5.3 builds that
will
incorporate early AspectJ1.6.1
builds.
---
------------------------------
Message:
2
Date: Fri, 25 Apr 2008 15:31:49 +0800
From: "Anfernee Xu" <anfernee.xu@xxxxxxxxx>
Subject:
[aspectj-users] How to use load time weaving?
To: aspectj-users@xxxxxxxxxxx
Message-ID:
<71e105540804250031o7720f8e7je5d98028e4027ddf@xxxxxxxxxxxxxx>
Content-Type:
text/plain; charset="iso-8859-1"
Hi everyone,
I'm developing
an application which will use load time weaving feature, so
that I can
control whether my App classes should be weaved at runtime.
I read
http://www.eclipse.org/aspectj/doc/released/devguide/ltw-configuration.html,
learned
AspectJ comes with the WeavingURLClassLoader probably can help me.
but
there's no concrete example I can take a look, so could someone
please
tell me how to use WeavingURLClassLoader? I have checked the
source code,
there's 2
constructors available,
(1)public
WeavingURLClassLoader (ClassLoader parent)
(2) public
WeavingURLClassLoader (URL[] classURLs, URL[] aspectURLs,
ClassLoader
parent)
Which one I should use? Could you please explain the meaning
for the
parameters in detail?
Do I still need to use
<iajc> to compile my aspect source code, and buit
them
into a jar file, and pass the jar file URL to the constructor as
the
second parameter?
or only package the source code as jar file, and
WeavingURLClassLoader will
do all for
me?
Thanks
--
anfernee
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Message:
3
Date: Fri, 25 Apr 2008 10:04:58 +0200
From: <hermod.opstvedt@xxxxxxxxx>
Subject:
RE: [aspectj-users] How to use load time weaving?
To: <aspectj-users@xxxxxxxxxxx>
Message-ID:
<A12D434EDE49E0438590A76648A8B78A01992439@xxxxxxxxxxxxxxxxxxxxxxxx>
Content-Type:
text/plain; charset="us-ascii"
Hi
What JVM version is this
for? If its for JDK 5 then you just have to
add
-javaagent:lib/aspectjweaver.jar as JVM startup parameter to
enable
weaving
Hermod
-----Original Message-----
From:
aspectj-users-bounces@xxxxxxxxxxx
[mailto:aspectj-users-bounces@xxxxxxxxxxx]
On Behalf Of Anfernee Xu
Sent: Friday, April 25, 2008 9:32 AM
To: aspectj-users@xxxxxxxxxxx
Subject:
[aspectj-users] How to use load time weaving?
Hi
everyone,
I'm developing an application which will use load time
weaving feature,
so that I can control whether my App classes should be
weaved at
runtime.
I read
http://www.eclipse.org/aspectj/doc/released/devguide/ltw-configuration.h
<http://www.eclipse.org/aspectj/doc/released/devguide/ltw-configuration.html>
tml,
learned AspectJ comes with the WeavingURLClassLoader probably can
help
me.
but there's no concrete example I can take a look, so could
someone
please tell me how to use WeavingURLClassLoader? I have checked
the
source code, there's 2
constructors available,
(1) 4
years">public WeavingURLClassLoader (ClassLoader parent)
(2) 4
years"> public WeavingURLClassLoader (URL[] classURLs,
URL[]
aspectURLs, ClassLoader parent)
Which one I should use?
Could you please explain the meaning for the
parameters in detail?
Do
I still need to use <iajc> to compile my aspect source code,
and
buit them into a jar file, and pass the jar file URL to the
constructor
as the second parameter?
or only package the source code
as jar file, and 4
years">WeavingURLClassLoader will do all for
me?
Thanks
--
anfernee
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Message:
4
Date: Fri, 25 Apr 2008 12:35:43 +0200
From: vtitou vergeos <titou2511@xxxxxxxxxxx>
Subject:
[aspectj-users] Around Advice Generic
To: <aspectj-users@xxxxxxxxxxx>
Message-ID:
<BAY126-W1559177A645A241A29E348BBDD0@xxxxxxx>
Content-Type:
text/plain; charset="windows-1252"
Hi,
I try to use around
advice for a general use. I would like to use around for all the methods of
a class which one does not know in advance the functions. For example, for a
class A has which has 6 methods and a file aspectJ which defines a pointcut
A.* for all the methods of A, is it possible to define a generic around for
example:
pointcut methods (): execution (public A.*
(...));
Object around (): methods () {
....
return proceed
();
}
knowing that the methods of A have different signatures ! I
tested the code written above and it does not function, it never passes in
the around method whereas with a before or an after for the same
pointcut, it works very well. If somebody already had to deal with this
problem, I am waiting your
answers!
Cordially
Antoine
_________________________________________________________________
Votre
contact a choisi Hotmail, l'e-mail ultra sécurisé. Créez un compte
gratuitement !
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Message:
5
Date: Fri, 25 Apr 2008 09:58:10 -0400
From: "Eric Bodden" <eric.bodden@xxxxxxxxxxxxxx>
Subject:
Re: [aspectj-users] Around Advice Generic
To: aspectj-users@xxxxxxxxxxx
Message-ID:
<804e3c660804250658i9f00533j74d1af4080209a64@xxxxxxxxxxxxxx>
Content-Type:
text/plain; charset=WINDOWS-1252
Hi.
As far as I can see this
advice should be correct (in the sense that
it executes but has no
visible effect on the program).
Eric
2008/4/25 vtitou vergeos
<titou2511@xxxxxxxxxxx>:
>
>
Hi,
>
> I try to use around advice for a general use. I would
like to use around for
> all the methods of a class which one does not
know in advance the functions.
> For example, for a class A has which
has 6 methods and a file aspectJ which
> defines a pointcut A.* for
all the methods of A, is it possible to define a
> generic around for
example:
>
> pointcut methods (): execution (public A.*
(...));
>
> Object around (): methods () {
> ....
>
return proceed ();
> }
>
> knowing that the methods of A
have different signatures ! I tested the code
> written above and it
does not function, it never passes in the around
> method whereas with
a before or an after for the same pointcut, it works
> very well. If
somebody already had to deal with this problem, I am waiting
> your
answers!
>
> Cordially
>
> Antoine
>
>
________________________________
> Avec Windows Live Messenger restez
en contact avec tous vos amis !
> Téléchargez Messenger, c'est gratuit
!
> _______________________________________________
>
aspectj-users mailing list
> aspectj-users@xxxxxxxxxxx
>
https://dev.eclipse.org/mailman/listinfo/aspectj-users
>
>
--
Eric
Bodden
Sable Research Group
McGill University, Montréal,
Canada
------------------------------
Message: 6
Date:
Fri, 25 Apr 2008 09:10:34 -0500
From: Dean Wampler <dean@xxxxxxxxxxxxxxxxxxxxx>
Subject:
Re: [aspectj-users] Around Advice Generic
To: aspectj-users@xxxxxxxxxxx
Message-ID:
<BB1BB080-64AA-4EC5-9EDF-E6C09A9E2E7A@xxxxxxxxxxxxxxxxxxxxx>
Content-Type:
text/plain; charset="windows-1252"
Your "methods" pointcut is missing
the return type for the method and
you should have 2 periods for the
method argument list:
> pointcut methods (): execution (public *
A.* (..));
Actually, AspectJ might infer the return type. I always
put it in the
definition. The 2 periods is important! 3 periods should
give a
compilation error.
Also, make sure that "A" is visible
without the fully-qualified
package name, etc. I don't believe that
AspectJ will flag an error if
no "A" is visible, but you will get a
warning that no join points were
advised.
On Apr 25, 2008, at 5:35
AM, vtitou vergeos wrote:
> Hi,
>
> I try to use
around advice for a general use. I would like to use
> around for all
the methods of a class which one does not know in
> advance the
functions. For example, for a class A has which has 6
> methods and a
file aspectJ which defines a pointcut A.* for all the
> methods of A,
is it possible to define a generic around for example:
>
>
pointcut methods (): execution (public A.* (...));
>
> Object
around (): methods () {
> ....
> return proceed ();
>
}
>
> knowing that the methods of A have different signatures !
I tested
> the code written above and it does not function, it never
passes in
> the around method whereas with a before or an after
for the same
> pointcut, it works very well. If somebody already had
to deal with
> this problem, I am waiting your
answers!
>
> Cordially
>
> Antoine
>
>
Avec Windows Live Messenger restez en contact avec tous vos amis !
>
Téléchargez Messenger, c'est gratuit !
>
_______________________________________________
> aspectj-users
mailing list
> aspectj-users@xxxxxxxxxxx
>
https://dev.eclipse.org/mailman/listinfo/aspectj-users
Dean
Wampler, Ph.D.
dean at objectmentor.com
http://www.objectmentor.com
See also:
http://www.aspectprogramming.com AOP advocacy
site
http://aquarium.rubyforge.org AOP for
Ruby
http://www.contract4j.org
Design by Contract for Java5
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