[jira] Commented: (MNG-275) design and publish the Mojo API

["Brett Porter (JIRA)" <ji...@codehaus.org>]

     [ http://jira.codehaus.org/browse/MNG-275?page=comments#action_32101 ]
     
Brett Porter commented on MNG-275:
----------------------------------

I'd like to consider making the maven-plugin-api dependency optional, and review the split between maven-monitor and maven-plugin.

what is provided by the plugin interface is:
- execute() method
- setLog(Logger logger) method

The execute method can be looked up using reflection if the class does not implement Plugin.

While this could be done for setLog, the Logger must be something... I suggest that maven-plugin-api should provider the Logger interface (and only an interface - not an implementation), and a plugin wishing to Log will have to implement the Plugin interface (or extend AbstractPlugin).

So anything could use these beans by simply looking up and running the execute() method, and I believe that such means would already be valid Ant tasks as is as well as mojos (with appropriate metadata).

Then, if it implements plugin the setLog method can be called with a MavenPluginLogger or AntLogger implementation, etc.

This reduces the relevance of maven-monitor, and it may be appropriate to just take the interface from there, and then use plexus logging inside Maven itself (and provide a plexus logging implementation of the plugin's logger interface).


> design and publish the Mojo API
> -------------------------------
>
>          Key: MNG-275
>          URL: http://jira.codehaus.org/browse/MNG-275
>      Project: m2
>         Type: Task
>   Components: design
>     Reporter: Brett Porter
>      Fix For: 2.0-alpha-2

>
>
> we need to solidify the Mojo API so that others can start writing them with confidence.
> This includes:
> - strategy for dealing with types
> - dealing with responses
> - reviewing logging and events
> - considering whether extending a class is too cumbersome
> - what basic types we might want to provide without going overboard
> anything else?

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