[jira] Closed: (VELOCITY-189) Provide access to the underlying RuntimeInstance instance of Velocity/VelocityEngine class

["Henning Schmiedehausen (JIRA)" <de...@velocity.apache.org>]

     [ https://issues.apache.org/jira/browse/VELOCITY-189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Henning Schmiedehausen closed VELOCITY-189.
-------------------------------------------


> Provide access to the underlying RuntimeInstance instance of Velocity/VelocityEngine class
> ------------------------------------------------------------------------------------------
>
>                 Key: VELOCITY-189
>                 URL: https://issues.apache.org/jira/browse/VELOCITY-189
>             Project: Velocity
>          Issue Type: Improvement
>          Components: Engine
>    Affects Versions: 1.3.1
>         Environment: Operating System: All
> Platform: All
>            Reporter: Dan Kokotov
>            Priority: Minor
>
> It would be nice to be able to access the underlying VelocityEngine instance to
> which the Velocity facade class delegates. That way i can have logic that either
> uses a default application-wide velocity config or a specific one, i.e.
> public class AppConfig {
>   public void init (...) {
>     // init app-wide velocity 
>     Velocity.init (..);
>   }
> }
> public class Foo {
>   private VelocityEngine m_engine;
>   public void init (String velConfigFile, ...) {
>     ..
>     if (velConfigFile != null) {
>       m_engine = new VelocityEngine ();
>       m_engine.init (velConfigFile);
>     } else {
>       m_engine = Velocity.getEngine ();
>     }
>   }
>   // other methods use m_engine
> }
> As it is now, to do something like this you'd have to have everywhere you use
> velocity the logic of
> if (haveOwnConfig) {
>   my_engine.merge (..);
> } else {
>   Velocity.merge (..);
> }

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