*/
    public boolean isInfoEnabled() {
        return INFO.equals(logLevel);
    }

    /**
     * Checks if the log level is WARN.
     *
     * @return true if WARN, false otherwise
     */
    public boolean isWarnEnabled() {
        return WARN.equals(logLevel);
    }

    /**
     * Checks if the log level is ERROR.
     * @return true if ERROR, false otherwise.
     */

                    if (logger.isDebugEnabled()) {
                        logger.warn("[{}][{}] Failed to analyze a text(size:{}).", field, lang, buf.length(), e);
                    } else {
                        logger.warn("[{}][{}] Failed to analyze a text(size:{}). {}", field, lang, buf.length(), e.getMessage());
                    }
                }

    public void addExclude(final String urlPattern) {
        try {
            Pattern.compile(urlPattern);
        } catch (final Exception e) {
            if (logger.isWarnEnabled()) {
                logger.warn("Invalid exclude pattern: {}", urlPattern);
            }
            return;
        }
        if (sessionId == null) {
            cachedExcludeSet.add(urlPattern);
        } else {

                                logger.warn(msg);
                            } else if (logger.isErrorEnabled()) {
                                logger.error(msg);
                            }
                        }
                    } catch (final Exception e) {
                        logger.warn(e.getLocalizedMessage());
                    }
                    buf.reset();

                    logger.debug("{} is not an object.", path);
                }
                break;
            default:
                logger.warn(path + " is not an object.", e);
                break;
            }
        } catch (final Exception e) {
            logger.warn(path + " is not an object.", e);
        }
        return null;
    }

    /**

    /** Indicates an unsupported URL was encountered when crawling started. */
    UNSUPPORTED_URL_AT_CRAWLING_STARTED,
    /** Indicates checking the last modified date of a resource. */
    CHECK_LAST_MODIFIED,
    /** Indicates the resource has not been modified. */
    NOT_MODIFIED,
    /** Indicates getting content from a resource. */
    GET_CONTENT,
    /** Indicates a redirect location was found. */
    REDIRECT_LOCATION,

 * and processing of Sitemap data.
 * </p>
 *
 * <p>
 * The {@code loc} attribute specifies the URL of the Sitemap, while the {@code lastmod} attribute
 * indicates the last time the Sitemap file was modified.  The {@code lastmod} attribute is used by crawlers
 * to incrementally fetch sitemaps that have been updated since a certain date.
 * </p>
 *
 * <p>

                try {
                    l.onConnect();
                } catch (final Exception e) {
                    logger.warn("Failed to invoke " + l, e);
                }
            });

            connected = true;
        } else {
            logger.warn("Could not connect to {}", address);
        }
    }

    /**
     * Creates a new OpenSearch client based on the configured address.

                    } catch (Exception e) {
                        logger.warn("Failed to set originalOutStream.", e);
                    }
                }
                if (originalErrStream != null) {
                    try {
                        System.setErr(originalErrStream);
                    } catch (Exception e) {
                        logger.warn("Failed to set originalErrStream.", e);
                    }

            final String redirectUrl;
            if (urlConvertHelper != null) {
                redirectUrl = urlConvertHelper.convert(redirectUrlObj.toString());
            } else {
                logger.warn("urlConvertHelper is null.");
                redirectUrl = redirectUrlObj.toString();
            }
            resultData.addUrl(RequestDataBuilder.newRequestData().get().url(redirectUrl).build());
        }