the most interesting code is probably in maven-reporting-executor
http://maven.apache.org/shared/maven-reporting-exec/, which is used by m-site-
p
Regards,
Hervé
Le jeudi 9 août 2012 12:29:44 Olivier Lamy a écrit :
> Hi
> Have a look at how we solve that in the site plugin sources
> That will probably help you.
>
> --
> Olivier
>
> Le 9 août 2012 09:29, "Kinai User" <ki...@live.nl> a écrit :
> > Hi there,
> >
> > I have developed a plugin which can execute other Maven plugins depending
> > on
> > certain properties available in a project.
> >
> > The process is like this:
> > 1. Maven build starts
> > 2. Plugin A is triggered which has several executions defined. Depending
> > on
> > properties in the project on hand a execution is triggered
> > 3. Plugin B (or C, D etc) will be triggered.
> >
> > The problem is I do not have access to the MavenProject and MavenSession
> > in
> > Plugin B (or C, D) because these are not injected resulting in
> > NullPointerExceptions. The BuildPluginManager however is correctly
> > injected
> > (however not needed in this plugin but added it to test the mechanism).
> >
> > I'm using the same syntax in Plugin A and there both MavenProject and
> > MavenSession are injected.
> >
> > Some code examples:
> >
> > Plugin A executing other plugins:
> > ----------------------------------------
> >
> > private void executePlugin ( Plugin plugin, String executionId, String
> >
> > goal ) throws MojoExecutionException
> >
> > {
> >
> > try
> > {
> >
> > List<RemoteRepository> repositories =
> >
> > session.getCurrentProject().getRemoteProjectRepositories();
> >
> > MojoDescriptor mojoDescriptor =
> >
> > pluginManager.getMojoDescriptor(plugin, goal, repositories,
> >
> > session.getRepositorySession());
> >
> > MojoExecution mojoExecution = new MojoExecution( mojoDescriptor,
> >
> > executionId );
> >
> > getLog().info( "Executing goal " + goal + " within execution " +
> >
> > executionId + " for plugin " + plugin );
> >
> > pluginManager.executeMojo(session , mojoExecution);
> >
> > }
> > catch ( Exception e )
> >
> > {
> >
> > throw new MojoExecutionException( "Error executing plugin " +
> >
> > plugin + " with execution id " +
> >
> > executionId, e );
> >
> > }
> >
> > }
> >
> > Plugin B
> > ----------------
> > /**
> >
> > * Goal which updates the VersionIF.java with the current version.
> > * @goal updateVersion
> > * @phase process-sources
> > *
> > */
> >
> > public class VersionIFMojo extends AbstractMojo {
> >
> > /**
> >
> > * The Maven project.
> > *
> > * @parameter expression="${project}"
> > */
> >
> > private MavenProject project;
> >
> > /**
> >
> > * The Maven Session Object
> > *
> > * @parameter expression="${session}"
> > * @readonly
> > */
> >
> > protected MavenSession session;
> >
> > /**
> >
> > * Plugin manager used to invoke plugin executions.
> > *
> > * @required
> > * @component
> >
> > */
> >
> > private BuildPluginManager pManager;
> >
> > <...>
> >
> > All worked well when using Maven 2 but after migrating to Maven 3 builds
> > stopped working.
> > Can somebody help me resolving this issue?
> >
> > Thank you
> >
> > Kind regards,
> > Richad
> >
> >
> >
> > --
> > View this message in context:
> > http://maven.40175.n5.nabble.com/MavenProject-MavenSession-not-injected-wh
> > en-executing-plugin-from-a-plugin-tp5716570.html Sent from the Maven -
> > Users mailing list archive at Nabble.com.
> >
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