responseData.setCharSet(defaultEncoding);
                }
            } else {
                responseData.setCharSet(encoding.trim());
            }

            if (!isSupportedCharset(responseData.getCharSet())) {
                responseData.setCharSet(Constants.UTF_8);
            }
        } catch (final CrawlerSystemException e) {
            throw e;
        } catch (final Exception e) {