if (!connected) { try { connect(); } catch (IOException e) { return (null); } }
	public String getContentType() {		if (!connected) {			try {				connect();			} catch (IOException e) {				return (null);			}		}		if (contentType == null) {			contentType = guessContentTypeFromName(bundleEntry.getName());			if (contentType == null) {				try {					InputStream in = bundleEntry.getInputStream();					try {						contentType = guessContentTypeFromStream(in);					} finally {						if (in != null) {							try {								in.close();							} catch (IOException ee) {							}						}					}				} catch (IOException e) {				}			}		}		return (contentType);	}