[Biojava-dev] ZipChemCompProvider

[Matt Larson]

There is a set of available Chemical Component Providers in BioJava
including:

*ReducedChemCompProvider* - no network access, limited set.
*DownloadChemCompProvider* - network download of chemcomp files as needed.
*AllChemCompProvider* - loads all chem comps from a file into memory.

We've implemented another provider "*ZipChemCompProvider*" that has
properties of both AllChemCompProvider and DownloadChemCompProvider.  It
keeps the individual chemical components as a local zip archive.  It
doesn't load the chemical components in memory, so it might be a bit faster
than AllChemCompProvider.  Missing component files are downloaded when
queried with the DownloadChemCompProvider then appended to the archive for
future use.

I can package this as a branch and submit this to BioJava if it seems like
a useful alternative ChemComp provider.  What do you guys think?

-- 
Matt Larson, PhD
DNASTAR, Inc.
Madison, WI  53705 U.S.A.
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