Re: What is the connection between the WO and the java file?
Re: What is the connection between the WO and the java file?
- Subject: Re: What is the connection between the WO and the java file?
- From: Matthew Kidd <email@hidden>
- Date: Tue, 5 May 2009 09:33:22 -0500
It seems like no matter what I will
have to open up the jar and adjust the class file either via a recompile
of the decompiled java file or by using javaassist.| Q <email@hidden> 05/04/09 08:32 PM | To | Matthew Kidd <email@hidden> | cc | Chuck Hill <email@hidden>,
email@hidden | Subject | Re: What is the connection between the
WO and the java file? |
|
You generally wouldn't integrate it into your application
for what you are trying to do. You would use it offline as part of the
build/deployment process.From what you have described, you should be able to either
simply replace the existing component class with a new one or rename the
existing class (you can do this using javaassist) and subclass it with
a new class of the same name to achieve what you want to do.On 05/05/2009, at 8:36 AM, Matthew Kidd wrote:
With regards to javaassist, how would I integrate this into an already
established WebObjects application?
On Apr 15, 2009, at 5:51 PM, Matthew Kidd wrote:
>
> I ask this because in my efforts to decompile a webobjects
> application from circa 2002 or 2003 I've encountered more errors
> than I care to deal and then I had an idea. If I could compile one
> java file, the only one I actually need to change, via commandline
> and swap the resulting .class files would the associated WO file be
> able to use it?
Yes, if you don't change the API.
> Or, is something done behind the scenes that I'm not readily able
to
> see that connects the method calls in the WO to the methods in the
> java and .class file?
No, it is just done by name and visibility.
> I realize I would need the same jdk but I'll attack that hurdle next
> if this is a plausible solution.
>
> Thanks for any help or ray of hope you may be able to provide.
Hope that helps. If you get extra desperate, you could get all
medieval on it: http://www.csg.is.titech.ac.jp/~chiba/javassist/
Where there is a will....
Chuck
--
Chuck Hill Senior Consultant
/ VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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