Simon Steiner commented on FOP-2733:
createpdf.sh isnt used as far as i know
> [PATCH] Drop dependency on Avalon-Framework
> Key: FOP-2733
> URL: https://issues.apache.org/jira/browse/FOP-2733 > Project: FOP
> Issue Type: Bug
> Reporter: Chris West
> Assignee: Simon Steiner
> Priority: Major
> Attachments: barcode.pdf, fop-no-avalon-1.patch
> FOP depends on avalon-framework, an old Apache project officially abandoned in 2004. Nearly nobody uses avalon-framework anymore, and I'd like to see it laid to rest.
> avalon-framework no-longer compiles with Java 9. Fixing it yet again seems like insanity. This isn't a problem for Maven users, who can keep using the old binary (and suffer slow verification on startup), but is a problem for distros like Debian, who want to be able to build everything.
> Others have asked about this before, e.g. http://apache-fop.1065347.n5.nabble.com/FOP-and-Avalon-td44302.html > I propose removing the dependency on Avalon entirely, fixing the couple of cases where it breaks, and inlining the two packages that are actually still used.. I have created a patch here: https://github.com/apache/fop/compare/trunk...FauxFaux:trunk , also attached.
> It's not great to read in patch form, so here's a summary of the changes:
> * Remove dependence on avalon-framework from Maven, classpath variables etc.
> * Add Avalon's configuration package as main:org.apache.fop.configuration directly, and keep using it essentially unmodified.
> * Add Avalon's logging framework as test:org.apache.fop.threading.logger. This is only used in test code, in the threaded test code runner. It is essentially source compatible with log4j/commons-logging, so could probably be deleted.
> * Change `CIDFontType` from a Avalon enum to a Java5 `enum`. This appears to be source, but not binary, compatible.
> * Remove some use of lifecycle management interfaces in test code, which are not doing anything.
> * Change some exception printing in test code to print the full exception (using the Java api), instead of a truncated exception. The output is not asserted upon, just sent to stderr.
> * Stop using Cascading*Exception in tests, and for ConfigurationException. I doubt anyone will notice, as it offers no real functionality.
> That's it!
> The most controversial thing here is probably adding the configuration package, and the extra lines of code it drags along with it. I am happy to give it a bit of a polish; make significant changes to fop to remove all the unused interfaces / abstract classes (which are just waste); put some generics and formatting in, etc.?
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