if ((_content == null) && _isAvailable) {
if (_content == null) {
    public FileContent getContent() throws IOException {    	if ((_content == null) && _isAvailable) { 			try {				_content = _resourceImpl.getContent();			} catch (FileSystemException e) {				IOException error = new IOException(e.getLocalizedMessage());				error.initCause(e);	 			throw error;			}    	}    	return _content;    }