[m2b2] reading velocity template from external projects

[Allan Ramirez <ar...@exist.com>]

Hi everyone,

I have this plugin  that can read a velocity template, but the template 
must be in the classpath of the plugin to read it.
Now, I am trying to modify the plugin which it can able to read 
templates from other projects. Any ideas?

 From my components.xml, I already tried to change the classpath 
resource loader path to a common path

--------------------------------------------------------------------------------
<plexus>
  <components>
    <component>
      <role>org.codehaus.plexus.velocity.VelocityComponent</role>
      
<implementation>org.codehaus.plexus.velocity.DefaultVelocityComponent</implementation>
      <configuration>

        <properties>
          <property>
              <name>resource.loader</name>
              <value>classpath</value>
          </property>
          <property>
              <name>classpath.resource.loader.class</name>
              
<value>org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader</value>
          </property>
          <property>
              <name>classpath.resource.loader.path</name>
              <value>C:\templates</value>
          </property>
        </properties>

      </configuration>
    </component>
  </components>
</plexus>
-------------------------------------------------------------------------------

But still no luck and the output is :

[ERROR] ResourceManager : unable to find resource 
'C:\templates\template.vm' in any resource loader.
[INFO] 
----------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] 
----------------------------------------------------------------------------
[INFO] Reason: resource not found.
[INFO] 
----------------------------------------------------------------------------
[INFO] Total time: 2 seconds
[INFO] Finished at: Fri Sep 30 09:54:22 CST 2005
[INFO] Final Memory: 5M/10M
[INFO] 
----------------------------------------------------------------------------


I s there a way on to make the resource loader path to read from the 
project and not from the plugin?


Thanks
-allan

Re: [m2b2] reading velocity template from external projects

[Jason van Zyl <ja...@maven.org>]

On Fri, 2005-09-30 at 10:03 +0800, Allan Ramirez wrote:
> Hi everyone,
> 
> I have this plugin  that can read a velocity template, but the template 
> must be in the classpath of the plugin to read it.
> Now, I am trying to modify the plugin which it can able to read 
> templates from other projects. Any ideas?

You can specify a parameter for the template as an URL and use the
URLResourceLoader buried in Velocity if you're looking for a general way
to locate a template.

So you can use:

http://svn.apache.org/viewcvs.cgi/jakarta/velocity/core/trunk/whiteboard/geir/URLResourceLoader.java?rev=191743&view=markup

Just make it part of the mojo.

You can also use the ContextClassLoaderResourceLoader which is part of
the plexus-velocity-component itself which is what the archetype
mechanism users. If you want to put your templates in a JAR, then create
your own classloader, add the JAR url and set the context classloader.
Or there's actually a JAR resource loader in velocity.

Or you can make your own resource loader :-)

-- 
jvz.

Jason van Zyl
jason at maven.org
http://maven.apache.org

We know what we are, but know not what we may be.

  -- Shakespeare


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