[ http://jira.codehaus.org/browse/MECLIPSE-37?page=comments#action_58151 ] 

Kenney Westerhof commented on MECLIPSE-37:
------------------------------------------

Yup.. ;) but probably the most flexible one. There are tons of other solutions, 
like
adding a MojoConfigurator class for each mojo (optionally ofcourse), or add a
configure()/updateProject() method to each mojo that will update the 
sourceroots. Depending on
the dry run parameter either execute() or configure()/updateProject() would be 
called.

To be backwards compatible a simple solution like this might work:
- add a mode parameter to the execute tag: @execute phase="..." 
mode="configureProject"
- don't call execute() on the mojo but  a final method in the AbstractMojo, 
depending on the value of the mode parameter:
   - either public final void executeMojo for normal executions, that will just 
call the abstract method execute()
   - or public void configureProject() that will by default also call execute() 
but can be overridden in
     the mojo's to update the project with sourceroots etc..

I think this will ensure backwards compatibility and allow for future 
expansions on mojo execution
to extract other metadata, like ant code snippets for the Ant plugin.

> eclipse:eclipse should execute in a later phase than "generate-sources"
> -----------------------------------------------------------------------
>
>          Key: MECLIPSE-37
>          URL: http://jira.codehaus.org/browse/MECLIPSE-37
>      Project: Maven 2.x Eclipse Plugin
>         Type: Bug

>     Versions: 2.0
>     Reporter: Mark Donszelmann
>     Assignee: fabrizio giustina
>      Fix For: 2.1

>
>
> the eclipse:eclipse goal should run in a later phase than it currently does 
> (generate-sources)
> as user defined plugins may add to the compileSourceRoots and 
> testCompileSourceRoots.
> If it runs later, added paths will be written correctly to the .classpath.
> Suggested phase is "test"

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