[jira] Commented: (MCOMPILER-75) Add apt support for Java 6

["Jesse Glick (JIRA)" <ji...@codehaus.org>]

    [ http://jira.codehaus.org/browse/MCOMPILER-75?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=179898#action_179898 ] 

Jesse Glick commented on MCOMPILER-75:
--------------------------------------

I think the correct behavior would be to pass something like

-s ${project.basedir}/target/generated-sources/annotation-processing

by default whenever a 269-capable javac is detected.

Part of Maven's appeal is doing the right thing without being told. Since it knows where generated sources ought to be placed in the project structure, it should tell javac that. As usual it could be permitted to _override_ this directory if you had a particular reason to do so.

Note that passing -processorpath or -processor is unnecessary if (1) processors are defined in JARs in your project's classpath, (2) they are registered ServiceLoader-style. In such a case they are all run automatically.

> Add apt support for Java 6
> --------------------------
>
>                 Key: MCOMPILER-75
>                 URL: http://jira.codehaus.org/browse/MCOMPILER-75
>             Project: Maven 2.x Compiler Plugin
>          Issue Type: New Feature
>    Affects Versions: 2.0.2
>            Reporter: Mark Hobson
>
> Apt (Annotation Processing Tool) was merged into javac in Java 6.  The compiler plugin should support this new functionality, which means supporting the following new arguments:
> {noformat}
>   -proc:{none,only}          Control whether annotation processing and/or compilation is done.
>   -processor <class1>[,<class2>,<class3>...]Names of the annotation processors to run; bypasses default discovery process
>   -processorpath <path>      Specify where to find annotation processors
>   -s <directory>             Specify where to place generated source files
>   -implicit:{none,class}     Specify whether or not to generate class files for implicitly referenced files
>   -Akey[=value]              Options to pass to annotation processors
> {noformat}
> Note that this should supersede the Apt Maven Plugin at Mojo by encompassing all of its functionality:
> http://mojo.codehaus.org/apt-maven-plugin/index.html

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