// get bitstream filename, calculate destination filename
String newName = formatFilter.getFilteredName(source.getName());
Bitstream existingBitstream = null; // is there an existing rendition?
Bundle targetBundle = null; // bundle we're modifying
Bundle[] bundles = item.getBundles(formatFilter.getBundleName());
// check if destination bitstream exists
if (bundles.length > 0)
{
// only finds the last match (FIXME?)
for (int i = 0; i < bundles.length; i++)
{
Bitstream[] bitstreams = bundles[i].getBitstreams();
for (int j = 0; j < bitstreams.length; j++)
{
if (bitstreams[j].getName().equals(newName))
{
targetBundle = bundles[i];
existingBitstream = bitstreams[j];
}
}
}
}
// if exists and overwrite = false, exit
if (!overWrite && (existingBitstream != null))
{
if (!isQuiet)
System.out.println("SKIPPED: bitstream " + source.getID()
+ " (item: " + item.getHandle() + ") because '" + newName + "' already exists");
return false;
}
InputStream destStream = formatFilter.getDestinationStream(source.retrieve());
if (destStream == null)
{
if (!isQuiet)
System.out.println("SKIPPED: bitstream " + source.getID()
+ " (item: " + item.getHandle() + ") because filtering was unsuccessful");
return false;
}
// create new bundle if needed
if (bundles.length < 1)
{
targetBundle = item.createBundle(formatFilter.getBundleName());
}
else
{
// take the first match
targetBundle = bundles[0];
}
Bitstream b = targetBundle.createBitstream(destStream);
// Now set the format and name of the bitstream
b.setName(newName);
b.setSource("Written by FormatFilter " + formatFilter.getClass().getName() +
" on " + DCDate.getCurrent() + " (GMT).");
b.setDescription(formatFilter.getDescription());
// Find the proper format
BitstreamFormat bf = BitstreamFormat.findByShortDescription(c,
formatFilter.getFormatString());
b.setFormat(bf);
b.update();
//Inherit policies from the source bitstream
//(first remove any existing policies)
AuthorizeManager.removeAllPolicies(c, b);
AuthorizeManager.inheritPolicies(c, source, b);
// fixme - set date?
// we are overwriting, so remove old bitstream
if (existingBitstream != null)
{
targetBundle.removeBitstream(existingBitstream);
}
if (!isQuiet)
System.out.println("FILTERED: bitstream " + source.getID()
+ " (item: " + item.getHandle() + ") and created '" + newName + "'");