Op Sun, 15 Feb 2015 07:09:37 +0100 schreef Hervé BOUTEMY
<[email protected]>:
> 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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