[jira] [Created] (JEXL-333) Allow declaration of namespace within script

["Henri Biestro (Jira)" <ji...@apache.org>]

Henri Biestro created JEXL-333:
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             Summary: Allow declaration of namespace within script
                 Key: JEXL-333
                 URL: https://issues.apache.org/jira/browse/JEXL-333
             Project: Commons JEXL
          Issue Type: Improvement
    Affects Versions: 3.1
            Reporter: Henri Biestro
            Assignee: Henri Biestro
             Fix For: 3.2


WHAT:
Allow declaration of a namespace within a script.
WHY:
As of 3.1, namespaces must be declared at Jexl engine building time. With an external (properties) configuration, adding new namespaces requires rebuilding the engine or updating the namespace map. This is often inconvenient in test or dev scenarios.
HOW:
Using a pragma, it is possible to statically add namespace entries for valid for the duration of the script execution. The options vehicle can be reused.
The syntax will be: 
{code}#pragma jexl.namespace.xyz f.q.c.n{code}
Where xyz is the actual namespace prefix and 'f.q.c.n.' the fully qualified class name.



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