Hi Chris,
yes, this is a right approach, matches close to what I described.
Robert
Op Sun, 02 Dec 2012 16:05:23 +0100 schreef christofer.d...@c-ware.de
christofer.d...@c-ware.de:
Hi Robert,
I managed to actually get something working in the meanwhile.
Here's what I did:
- I created an API artifact containing the interface of my modules.
- I created several Implementations of the Interfaces each one annotated
with @Component with the Role set to the Interface class and each one
with an individual hint-name.
- I create one Mojo with a map property with MapHintName, ModuleType
and a String property to select the desired implementation (defaulting
to a default string)
- Now in the execute method of my Mojo I simply read the desired
implementation name, fetch that instance from the map and use the Module
interface to relay the call to that particular instance.
Semms to be doing the jobe nicely ... is this a valid approch or would a
best practice do it differently?
Chris
-Ursprüngliche Nachricht-
Von: Robert Scholte [mailto:rfscho...@apache.org]
Gesendet: Sonntag, 2. Dezember 2012 15:57
An: Maven Users List
Betreff: Re: Implementing a Maven plugin with alternate mojo/component
implementations?
Here are some plugins which you should have a look at:
maven-compiler-plugin ( compilerId )
maven-release-plugin ( mavenExecutorId )
Now you need to do some Plexus-stuff, since that's the DI-framework for
Maven.
Every task-implementation needs to have the same interface (plexus role)
and a specific id (role-hint) In your manager you can let Plexus fill a
map based on the plexus role.
So now you can add a parameter to your plugin with a default taskId, and
users can overrule it.
I think this meets your requirements.
Good luck,
Robert
Op Sun, 02 Dec 2012 12:33:43 +0100 schreef christofer.d...@c-ware.de
christofer.d...@c-ware.de:
Hi,
I am currently setting up a new Maven plugin project and am currently
faced with the following problem:
I have fefined a dafaultLifecycle which defines which mojos should
generally be invoked in which phase. My problem now is that I would
like to have different implementations used for performing the tasks.
There should allways be a default mojo/component that is used if the
user doesn't specify which implementation he wants to use, but should
offer a way to tell the build to use a different implementation.
Would it be good to have some sort of proxy-mojo that is allways
called and then relays to an implementation component based upon the
configuration, or would it be better do define completely independent
Mojos? The Internet seems to be full of tutorials on creating Maven
plugins, but I haven't found a single one dealing with this particular
problem.
Help greatly appreciated,
Chris
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