public InputStream getInputStream(String target, int openMask) throws IOException {  if (useReliableFiles) { int id = manager.getId(target); return new ReliableFileInputStream(new File(manager.getBase(), target), id, openMask); } File lookup = manager.lookup(target, false); if (lookup == null) return null; return new FileInputStream(lookup);
public InputStream getInputStream(String target) throws IOException { return getInputStream(target, OPEN_BEST_AVAILABLE);
	public InputStream getInputStream(String target, int openMask) throws IOException {		if (useReliableFiles) {			int id = manager.getId(target);			return new ReliableFileInputStream(new File(manager.getBase(), target), id, openMask);		}		File lookup = manager.lookup(target, false);		if (lookup == null)			return null;		return new FileInputStream(lookup);	}