addFromStream(stream, allowDuplicates);
addFromStream(stream, allowDuplicates, false);
	public void addFromFile(File file, boolean allowDuplicates) throws CoreException {		InputStream stream= null;		try {			stream= new FileInputStream(file);			addFromStream(stream, allowDuplicates);		} catch (IOException e) {			throwReadException(e);		} finally {			try {				if (stream != null)					stream.close();			} catch (IOException e) {}		}			}