parsing ant build scripts from unusual sources

[Robert Dockins <rd...@coral.tufts.edu>]

I'm interested in using Ant as part of a larger application, mostly to 
do file transformations and various kinds of validation.  What I'd like 
to do is store ant build files in a database, retrieve and parse them
and then run the resulting project to do the actions.

I've been able to start Ant from a java program using 
org.apache.ant.helpers.ProjectHelper2, but I've discovered that it only 
accepts File's and URL's as the xml source.  Because I'd like to store 
my scripts in a DB, I need to be able to use an InputStream or similar. 
  I've perused the code for ProjectHelper2, and it seems trivial to add 
support for InputStream and/or InputSource.  In fact, there are comments 
indicating that someone has considered this already.  However, I would 
like to be able to use virgin Ant binaries, if possible.

My questions are: why aren't InputSource and InputStream supported?  Is 
there an easy/preferred workaround?


Robert Dockins


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