Op Sun, 15 Feb 2015 07:09:37 +0100 schreef Hervé BOUTEMY
<herve.bout...@free.fr>:
another topic:
"When using Apache Maven 3.2.6 you don't need to include the <<<maven-
toolchain-plugin>>>; the <<<maven-jdeps-plugin>>>
can pick up..."
looking at the code, IIUC: the plugin doesn't use the jdk toolchain
configured
(or not) for the whole build with maven-toolchain-plugin but will select
a jdk
toolchain based on its own preference
isn't it?
yes. Up until Maven 3.2.5 the maven-toolchain-plugin was responsible for
reading the toolchains.xml, so in a multimodule project the same file was
read over and over again.
This has been rewritten. Now it is read only once on startup. This also
made it possible to read it without the maven-toolchain-plugin, which
makes sense in this case. You probably want to verify if your current
(older JDK) code is ready according to jdeps (newer JDK, i.e. 8 and above).
This is the magic line:
List<Toolchain> tcs =
(List<Toolchain>) getToolchainsMethod.invoke( toolchainManager, session,
"jdk",
Collections.singletonMap( "version", "[1.8,)" ) );
The final arguments defines the restriction.
We could make a mojo parameter for this, so users can lock it to a
specific tool.
thanks,
Robert
Regards,
Hervé
Le samedi 14 février 2015 16:32:23 Robert Scholte a écrit :
Hi,
during FOSDEM 2015 a few members of the Apache Maven team visited a talk
of Oracle, presented by Rory O'Donnell and Dalibor Topic.
Their talk ended with encouraging everybody to use the JDeps tool to
analyze your dependencies in preparation of JDK9s jigsaw.
On behalf of the Maven team I've picked up the task to develop a plugin
which can do the analysis during the build of a Java project. Call it a
thin Maven wrapper around the JDeps tool.
The sources can be found here:
http://svn.apache.org/repos/asf/maven/plugins/trunk/maven-jdeps-plugin/
The documentation can be found here:
http://maven.apache.org/plugins-archives/maven-jdeps-plugin-LATEST/maven-jde
ps-plugin/
http://maven.apache.org/plugins-archives/maven-jdeps-plugin-LATEST/maven-jd
eps-plugin/usage.html
There's a SNAPSHOT version availabe at
https://repository.apache.org/content/repositories/snapshots/
The plugin is still in development, but now would be an appropriate
moment
to share your thoughts on what this plugin should do. For instance:
break
the build if the project depends on JDK internal APIs (already
implemented).
So please, share your ideas.
thanks,
Robert Scholte
ps. Quite a lot of users relate the plugin version to the Maven version.
For that reason the maven-jdeps-plugin version starts with 3.0,
indicating
you need to use at least Maven-3.
ps2. Documentation already refers to Apache Maven 3.2.6, even though it
is
not released yet. Chances are that Maven 3.2.6 will be released before
Maven JDeps Plugin 3.0
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