protected String getFilePath(final String url) {
        return url.replaceAll("/+", "/")
                .replace("./", "")
                .replace("../", "")
                .replaceAll("/$", "/index.html")
                .replaceAll("\\?", questionStr)
                .replaceAll(":", colonStr)
                .replaceAll(";", semicolonStr)
                .replaceAll("&", ampersandStr);
    }

    /**

     */
    @Override
    public void processUrl(final String url) {
        if (includeFilteringPattern != null) {
            addInclude(url.replaceAll(urlPattern, includeFilteringPattern));
        }
        if (excludeFilteringPattern != null) {
            addExclude(url.replaceAll(urlPattern, excludeFilteringPattern));
        }
    }

    /**
     * Returns the URL pattern.
     * @return The URL pattern.

     * @return The extracted text.
     */
    protected String extractString(final String content) {
        String input = content.replaceAll("[\\r\\n]", " ");
        if (ignoreCommentTag) {
            input = input.replaceAll("<!--[^>]+-->", "");
        } else {
            input = input.replace("<!--", "").replace("-->", "");
        }

     *
     * @param resourceName the resource name
     * @return the file name
     */
    private String getFileName(final String resourceName) {
        final String name = resourceName.replaceAll("/+$", "");
        final int pos = name.lastIndexOf('/');
        if (pos >= 0) {
            return name.substring(pos + 1);
        }
        return name;
    }

    /**

        if (url == null) {
            return null;
        }
        String convertedUrl = url;
        for (final Map.Entry<String, String> entry : convertMap.entrySet()) {
            convertedUrl = convertedUrl.replaceAll(entry.getKey(), entry.getValue());
        }
        return convertedUrl;
    }

    /**
     * Adds a conversion rule.
     *
     * @param target The target string.

                extention = strings[strings.length - 1];
            } else {
                filePrefix = name;
                extention = "";
            }
            filePrefix = filePrefix.replaceAll("\\p{Zs}", "_");
        } else {
            filePrefix = "none";
            extention = "";
        }
        File inputFile = null;
        File outputFile = null;
        try {

        String name = responseData.getUrl();
        final String enc = responseData.getCharSet();

        if (name == null || enc == null) {
            return null;
        }

        name = name.replaceAll("/+$", "");
        final int idx = name.lastIndexOf('/');
        if (idx >= 0) {
            name = name.substring(idx + 1);
        }
        try {
            return URLDecoder.decode(name, enc);

                byte[] bytes = is.readAllBytes();
                String content = new String(bytes);
                for (Map.Entry<String, String> rule : transformationRules.entrySet()) {
                    content = content.replaceAll(rule.getKey(), rule.getValue());
                }
                resultData.setData(content.getBytes());
            } catch (Exception e) {
                throw new RuntimeException(e);
            }

            final String path = uri.getPath();
            if (path == null) {
                parent = "/";
                name = null;
            } else {
                final String[] values = path.replaceAll("/+", "/").replaceFirst("/$", "").split("/");
                if (values.length == 1) {
                    parent = "/";
                    name = null;
                } else if (values.length == 2) {

                final Node node = nodeList.get(i);
                buf.append(node.getTextContent()).append(' ');
            }
            return new ExtractData(buf.toString().replaceAll("\\s+", " ").trim());
        } catch (final Exception e) {
            throw new ExtractException(e);
        }
    }

    /**
     * Gets an XPathAPI instance from the cache for the current thread.