[rules-users] Get compiled Java Code of Rules

[Markus Helbig]

done ... http://wiki.jboss.org/wiki/Wiki.jsp?page=RetrieveCompiledRulesSourceCode

2007/12/5, Mark Proctor <mproctor at codehaus.org>:
> Markus Helbig wrote:
> > i will do that the next days ... where should i post it?
> >
> http://wiki.jboss.org/wiki/Wiki.jsp?page=JBossRules
> Just add a link to a page under the Tips and Tricks - it only takes a
> minute to do.
> > Cheers
> >
> > Markus
> >
> > 2007/12/5, Mark Proctor <mproctor at codehaus.org>:
> >
> >>  Markus Helbig wrote:
> >>  Here's the way it works for those who are interested
> >>
> >>  Could you put that up on the wiki for us?
> >>
> >>
> >>
> >> -- create a Packagebuilder and build package
> >>
> >> JavaDialect jd = (JavaDialect)
> >> builder.getDialectRegistry().getDialect("java");
> >>
> >> Field field = jd.getClass().getDeclaredField("src");
> >> field.setAccessible(true);
> >>
> >> MemoryResourceReader src = (MemoryResourceReader) field.get(jd);
> >>
> >> String[] list = src.list();
> >>
> >> for (int z = 0; z < list.length; z++)
> >> {
> >>  String name = (String) list[z];
> >>  byte[] bytes = src.getBytes( name );
> >>
> >>  System.out.println(new String(bytes));
> >> }
> >>
> >> -----
> >>
> >> thx for the help ...
> >>
> >> 2007/11/29, Markus Helbig <mhelbig81 at googlemail.com>:
> >>
> >>
> >>  hmm ...
> >>
> >> PackageCompilatData data = pkg.getPackageCompilationData(); // gets the
> >> String[] list = data.list() // returns the list of files
> >> Byte[] bytes = data.read( list[0] ) // get the bytecode for
> >> new String(bytes);
> >>
> >> just gives me the bytecode ... but i will try with the PackageBuilder ...
> >>
> >> Cheers
> >>
> >> Markus
> >>
> >> 2007/11/29, Mark Proctor <mproctor at codehaus.org>:
> >>
> >>
> >>  The src code is not kept. You would have to get this from the
> >> PackageBuilder and the JavaDialect, which is in the DialectRegistry. You'll
> >> need to do this via reflection. When you get a reference to the mape it'll
> >> be bytes again, just do new String(byte[] bytes).
> >>
> >>  Mark
> >>
> >>  Markus Helbig wrote:
> >>  I decompiled the class files, but there's sth curious in the Constant
> >> Pool there is an invalid TagValue it is 97, it occurs in the
> >> *ReturnValueInvoker Classes any idea what's 97 (or it should be mapped
> >> to)?
> >>
> >> valid types are (as far as i know):
> >>
> >> CONSTANT_Class 7
> >> CONSTANT_Fieldref 9
> >> CONSTANT_Methodref 10
> >> CONSTANT_InterfaceMethodref 11
> >> CONSTANT_String 8
> >> CONSTANT_Integer 3
> >> CONSTANT_Float 4
> >> CONSTANT_Long 5
> >> CONSTANT_Double 6
> >> CONSTANT_NameAndType 12
> >> CONSTANT_Utf8 1
> >>
> >> Cheers
> >>
> >> Markus
> >>
> >> 2007/11/29, Markus Helbig <mhelbig81 at googlemail.com>:
> >>
> >>
> >>  now i tried Mark's suggestion but this is also just bytecode i get ...
> >> ok with byte code it would be possible to decompile ...
> >>
> >> Cheers
> >>
> >> Markus
> >>
> >> 2007/11/28, Darko IVANCAN <ivancan at gmx.de>:
> >>
> >>
> >>  Hi,
> >>
> >> Obviously Mark's suggestion is better.
> >>
> >> Anyway: Seen, that the BRMS gives you a package (as .pkg) and the
> >> RuleAgents can load those files and Packages are Serializable, I think
> >> you want to investigate also in this possibility, by looking how current
> >> DRools code is doing this job.
> >>
> >> Darko
> >>
> >> On 28/11/2007 16:00, Markus Helbig wrote:
> >>
> >>
> >>  that's right, but can you read bytecode? Or is there a way to
> >> serialize into pure Java Code,
> >>
> >> i think i'll try the way Mark provided ...
> >>
> >> Cheers
> >>
> >> Markus
> >>
> >> 2007/11/28, Darko IVANCAN <ivancan at gmx.de>:
> >>
> >>
> >>
> >>  Hi,
> >>
> >> The package can be serialized. See manual: deployment options.
> >> The package can also be downloaded from the BRMS.
> >>
> >> Hope this helps,
> >> Darko Ivancan
> >>
> >> On 28/11/2007 13:58, Markus Helbig wrote:
> >>
> >>
> >>
> >>  Hi,
> >>
> >> is there any possibility to get the compiled java code of the rules
> >> ... could be helpful for several reasons ...
> >>
> >> Cheers
> >>
> >> Markus
> >>
>
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