On 11/28/06, Dominique Devienne <[EMAIL PROTECTED]> wrote:
On 11/27/06, Peter Reilly <[EMAIL PROTECTED]> wrote:
> As java6 will be released shortly (I think in december)
> it would be nice to allow ant to use javax.scripting
> for a script engine. I would allow oob (out of the box)
> usage of a scripting language with ant on java6 and
> allow scripting with languages that only have javax.scripting
> engines (F3 for example - I think).
+1 to oob.
> I had proposed before to use the convention
> language="jsr:javascript" to denote the jaxax.scripting
> engine, and language="bsf:javascript" to denote the
> bsf engine with language="javascript" to denote seaching
> for the first implementation.
I'd prefer we make it more explicit. Using a prefix is shorter of
course, but I don't feel confortable using an XML namespace
like notation without the need for an XML namespace.
Couldn't we use an explicit 'engine' or 'scriptapi' new attribute,
that would default to bsf, but would accept jsr (or jdk1.6) in a
future release? Or even an engine "path", like "bsf, jsr" to
specify a given search order?
I would rather have the prefix in the language attribute, however
an explicit attribute could be acceptable as well.
If the attribute is not specified a default path will be used - all
the scriptapi's that ant known about. - bsf, jsr.
the 1.7.0 behaviour would be to find the first
script manager in the classpath and to use that
one.
Later versions of ant could check if a particular script manager
supported a particular language and use the first that "reported"
that it did.
If asked for, future versions of ant could use custom defined
script managers - using a JAR service specification - or an ant
task.
Peter
> The changes are very small the the current scripting classes.
Hopefully what I propose above doesn't make it too complex. --DD
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