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[Acceleo] Running a installed acceleo bundle from a Java main method [message #535080]

Fri, 21 May 2010 09:15

Fabien Giquel

Messages: 147
Registered: July 2009

Senior Member

Hi,

here is a context of launching an acceleo module which does not work. I would like to know if it is an expected limit or if it is a bug :

- Helios M7 with acceleo bundles.
- installed an acceleo module X in plugins directory.
- creating in the workspace a simple Java project (not a plugin project) and adding to the classpath the emf and acceleo jars.
- writing a Java class with a main method which invokes the acceleo module X main Java class for generation (calling the doGenerate() method)

Running the java class as 'Java application' results in an error : "invalid relative pathName : ... .emtl" (more details in the thread http://www.eclipse.org/forums/index.php?t=msg&th=168568& amp;start=0&)
The problem is that the .emtl file is located in a .jar (the module X installed bundle) and acceleo generated code expects to find it unzipped (calling URI.createFileURI(..)).

Of course calling the same way from a plugin (eclipse context) works fine.

Thanks in advance.

----------------------------------------------------
Fabien GIQUEL
R&D Engineer
Mia-Software
rue Nina Simone
44000 NANTES
----------------------------------------------------

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Re: [Acceleo] Running a installed acceleo bundle from a Java main method [message #535101 is a reply to message #535080]

Fri, 21 May 2010 09:51

Laurent Goubet

Messages: 1876
Registered: July 2009

Senior Member

This is a multi-part message in MIME format.
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Hi Fabien,

This is a known limitation we're currently trying to break. I built a
little more than an hour ago a nightly that should fix the issue, but
have yet to confirm the fix. If you wish to help in the verification (or
check that it works in your context), the nightly can be retrieved from
http://modeling.eclipse.org/modeling/m2t/acceleo/downloads/d rops/3.0.0/N201005210354/m2t-acceleo-SDK-incubation-N2010052 10354.zip

Laurent Goubet
Obeo

Fabien Giquel wrote:
> Hi,
>
> here is a context of launching an acceleo module which does not work. I
> would like to know if it is an expected limit or if it is a bug :
>
> - Helios M7 with acceleo bundles.
> - installed an acceleo module X in plugins directory.
> - creating in the workspace a simple Java project (not a plugin project)
> and adding to the classpath the emf and acceleo jars.
> - writing a Java class with a main method which invokes the acceleo
> module X main Java class for generation (calling the doGenerate() method)
>
>
> Running the java class as 'Java application' results in an error :
> "invalid relative pathName : ... .emtl" (more details in the thread
> http://www.eclipse.org/forums/index.php?t=msg&th=168568& amp;start=0&) The
> problem is that the .emtl file is located in a .jar (the module X
> installed bundle) and acceleo generated code expects to find it unzipped
> (calling URI.createFileURI(..)).
>
> Of course calling the same way from a plugin (eclipse context) works fine.
>
> Thanks in advance.

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