Would it be easier if we just packaged jul-over-slf4j in the distribution to
cover these cases?
On Feb 2, 2015, at 10:07 AM, Lennart Jörelid <lennart.jore...@gmail.com> wrote:
> Hello all,
>
> I'm in the final phase of revamping the Jaxb2-Maven-Plugin, and have
> encountered a (presumably) common problem. The plugin delegates most of its
> work to the JDK-distributed tools XJC and SchemaGen. These two tools use
> JUL for logging; and their respective outputs should be emitted onto the
> Maven Log for debugging and clarity.
>
> Writing a small Handler which delegates the JUL LogRecords to the active
> Maven Log is trivial - but I wonder if I need to reset the JUL root logger
> after the tool has been run, or if that is done automagically by Maven.
>
> Basically - will the next downstream plugin which needs to wrap a tool
> using JUL be affected by my fiddlings according to the snippet below?
>
> // Redirect the JUL Logging statements to the Maven Log.
> final Logger rootLogger = Logger.getLogger("");
> rootLogger.setLevel(Level.FINER);
> for(Handler current : rootLogger.getHandlers()) {
> rootLogger.removeHandler(current);
> }
> rootLogger.addHandler(new MavenLogHandler(getLog(), "XJC",
> getEncoding(false)));
>
> // Fire XJC
> if (XJC_COMPLETED_OK != Driver.run(xjcArguments, new
> XjcLogAdapter(getLog()))) { ... display error message ... }
>
> The approach works as expected - the boldfaced logging statements below are
> harvested from the XJC tool being put to work by the jabx2-maven-plugin:
>
> [DEBUG] Created episode directory
> [/Users/lj/Development/Projects/Codehaus/github_jaxb2_plugin/target/it/xjc-include-xsds-in-artifact/target/generated-sources/jaxb/META-INF]:
> true
> [DEBUG] Using explicitly configured encoding [UTF-8]
>
>
>
>
>
> *[DEBUG] [XJC]: feb 02, 2015 3:51:53 EM com.sun.xml.bind.v2.util.XmlFactory
> createSchemaFactoryFIN: SchemaFactory instance:
> com.sun.org.apache.xerces.internal.jaxp.validation.XMLSchemaFactory@5b6813df[DEBUG]
> [XJC]: feb 02, 2015 3:51:53 EM com.sun.xml.bind.v2.util.XmlFactory
> allowExternalAccessFIN: Property
> "http://javax.xml.XMLConstants/property/accessExternalSchema
> <http://javax.xml.XMLConstants/property/accessExternalSchema>" is supported
> and has been successfully set by used JAXP implementation.*
>
> --
>
> --
> +==============================+
> | Bästa hälsningar,
> | [sw. "Best regards"]
> |
> | Lennart Jörelid
> | EAI Architect & Integrator
> |
> | jGuru Europe AB
> | Mölnlycke - Kista
> |
> | Email: l...@jguru.se
> | URL: www.jguru.se
> | Phone
> | (skype): jgurueurope
> | (intl): +46 708 507 603
> | (domestic): 0708 - 507 603
> +==============================+
Thanks,
Jason
----------------------------------------------------------
Jason van Zyl
Founder, Takari and Apache Maven
http://twitter.com/jvanzyl
http://twitter.com/takari_io
---------------------------------------------------------
In short, man creates for himself a new religion of a rational
and technical order to justify his work and to be justified in it.
-- Jacques Ellul, The Technological Society
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