Re: [rules-users] Get compiled Java Code of Rules
Here's the way it works for those who are interested
-- 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(a)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(a)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(a)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(a)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(a)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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