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Posted to fop-users@xmlgraphics.apache.org by Wiström,
Magnus <Ma...@consignit.se> on 2005/07/05 16:33:41 UTC
FOP and Avalon
Hi,
We have developed a system which uses FOP for generating PDF's. This works just fine and there is no issue with the functionality.
However, our code has been under the scrutiny of a code review and from that a concern has been highlighted that we are using FOP which is dependent on the abandoned project Avalon (using avalon-framework-cvs-20020806.jar). Our customer is concerned that this might be a support/upgrade issue.
1. Is there any plan on removing the dependency to Avalon on later versions on FOP?
2. Is this support issue at all? I'll guess the FOP project will supply what ever jars needed.
I'm grateful for any comments that could calm down our customer.
Many Thanks for you reply.
Magnus Wiström
Re: FOP and Avalon
Posted by Jeremias Maerki <de...@greenmail.ch>.
On 05.07.2005 16:33:41 Wiström, Magnus wrote:
> We have developed a system which uses FOP for generating PDF's. This
> works just fine and there is no issue with the functionality.
> However, our code has been under the scrutiny of a code review and from
> that a concern has been highlighted that we are using FOP which is
> dependent on the abandoned project Avalon (using
> avalon-framework-cvs-20020806.jar).
The Avalon project has been closed, yes, but the maintenance of the
Avalon Framework which we are still using has been transferred to the
Excalibur project.
http://excalibur.apache.org
http://excalibur.apache.org/framework/index.html
> Our customer is concerned that this might be a support/upgrade issue.
I don't think it is. It's published under the Apache license and
therefore the source code is available and can be freely modified if
necessary. Furthermore, the Avalon Framework has been stable for years.
> 1. Is there any plan on removing the dependency to Avalon on later versions on FOP?
There's no concrete plan because we haven't decided how the parts of
Avalon Framework we're currently using would be replaced. We're still
using the configuration package in Avalon Framework because it's very
handy. After all, it's better to use something existing that works than
something you have to build and test and maintain yourself.
> 2. Is this support issue at all? I'll guess the FOP project will supply what ever jars needed.
As Chris already said, the JAR is supplied but you can always get the
source code from here:
http://archive.apache.org/dist/avalon/avalon-framework/
> I'm grateful for any comments that could calm down our customer.
HTH
Jeremias Maerki
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Re: FOP and Avalon
Posted by Chris Bowditch <bo...@hotmail.com>.
Welcome back from the wildnerness :-)
Jeremias Maerki wrote:
> On 05.07.2005 16:48:57 Chris Bowditch wrote:
>
>>Yes, the logging part of avalon has been replaced by Apache Common Logging in
>>the development version. However, there are some pieces of code that still
>>require avalon. I'm not sure how much work it would be to remove it
>>completely, but I think its on the TODO list.
>
>
> I't not on my TODO list. :-) I don't see a reason to remove it,
> especially since the functionality delivered by the configuration
> package would have to be replaced somehow.
Thats OK, I didnt mean to imply it was on any individuals TODO list, but I
seem to remember it being discussed whether avalon should be removed on fop-dev.
Chris
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Re: FOP and Avalon
Posted by Jeremias Maerki <de...@greenmail.ch>.
On 05.07.2005 16:48:57 Chris Bowditch wrote:
> Wiström wrote:
>
> <snip/>
>
> > 1. Is there any plan on removing the dependency to Avalon on later
> > versions on FOP?
>
> Yes, the logging part of avalon has been replaced by Apache Common Logging in
> the development version. However, there are some pieces of code that still
> require avalon. I'm not sure how much work it would be to remove it
> completely, but I think its on the TODO list.
I't not on my TODO list. :-) I don't see a reason to remove it,
especially since the functionality delivered by the configuration
package would have to be replaced somehow.
<snip/>
Jeremias Maerki
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Re: FOP and Avalon
Posted by Chris Bowditch <bo...@hotmail.com>.
Wiström wrote:
<snip/>
> 1. Is there any plan on removing the dependency to Avalon on later
> versions on FOP?
Yes, the logging part of avalon has been replaced by Apache Common Logging in
the development version. However, there are some pieces of code that still
require avalon. I'm not sure how much work it would be to remove it
completely, but I think its on the TODO list.
> 2. Is this support issue at all? I’ll guess the FOP project will
> supply what ever jars needed.
Thats right, FOP will be supplied with the released version of avalon if it
still requires it when the development version is ready.
Chris
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