*/
    public String getMessageCode() {
        return messageCode;
    }

    /**
     * Returns arguments of a message
     *
     * @return array of arguments
     */
    public Object[] getArgs() {
        return args;
    }

    @Override
    public String getMessage() {
        return message;
    }

    /**
     * Returns a simple message without a message code.
     *

        if (childUrlSet != null) {
            // add an url
            try {
                storeChildUrls(childUrlSet.stream().filter(rd -> StringUtil.isNotBlank(rd.getUrl())).collect(Collectors.toSet()),
                        urlQueue.getUrl(), urlQueue.getDepth() != null ? urlQueue.getDepth() + 1 : 1);
            } catch (final Throwable t) {
                if (!ComponentUtil.available()) {

        }
        final Extractor extractor = extractorFactory.getExtractor(responseData.getMimeType());
        if (logger.isDebugEnabled()) {
            logger.debug("url={}, extractor={}", responseData.getUrl(), extractor);
        }
        return extractor;
    }

        asDocMeta().version(version);
    }

    public void addField(final String key, final Object value) {
        fields.put(key, value);
    }

    public String getLogMessage() {
        return getUrl();
    }

    @Override
    public Map<String, Object> toSource() {
        final Map<String, Object> sourceMap = super.toSource();
        if (fields != null) {
            sourceMap.putAll(fields);
        }

        return convertEmptyToNull(threadName);
    }

    public void setThreadName(String value) {
        registerModifiedProperty("threadName");
        this.threadName = value;
    }

    public String getUrl() {
        checkSpecifiedProperty("url");
        return convertEmptyToNull(url);
    }

    public void setUrl(String value) {
        registerModifiedProperty("url");
        this.url = value;
    }

        return requestedAt;
    }

    public void setRequestedAt(LocalDateTime value) {
        registerModifiedProperty("requestedAt");
        this.requestedAt = value;
    }

    public String getUrl() {
        checkSpecifiedProperty("url");
        return convertEmptyToNull(url);
    }

    public void setUrl(String value) {
        registerModifiedProperty("url");
        this.url = value;
    }

            if (pattern != null) {
                if (!pattern.matcher(failureUrl.getErrorName()).matches()) {
                    urlList.add(failureUrl.getUrl());
                }
            } else {
                urlList.add(failureUrl.getUrl());
            }
        }
        return urlList;
    }

    /**

        setupEpg(_epgMap, et -> ((FailureUrl) et).getThreadName(), (et, vl) -> ((FailureUrl) et).setThreadName(DfTypeUtil.toString(vl)),
                "threadName");
        setupEpg(_epgMap, et -> ((FailureUrl) et).getUrl(), (et, vl) -> ((FailureUrl) et).setUrl(DfTypeUtil.toString(vl)), "url");
    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {
        return doFindEpg(_epgMap, prop);
    }

        final BeanDesc beanDesc = new BeanDescImpl(MyBean.class);
        final PropertyDesc propDesc = beanDesc.getPropertyDesc("URL");
        propDesc.setValue(myBean, "http://www.seasar.org");
        assertThat(myBean.getURL(), is(notNullValue()));
    }

    /**
     *
     */
    public void testConvertWithString() {
        final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(MyDto.class);

        setupEpg(_epgMap, et -> ((ClickLog) et).getRequestedAt(),
                (et, vl) -> ((ClickLog) et).setRequestedAt(DfTypeUtil.toLocalDateTime(vl)), "requestedAt");
        setupEpg(_epgMap, et -> ((ClickLog) et).getUrl(), (et, vl) -> ((ClickLog) et).setUrl(DfTypeUtil.toString(vl)), "url");
        setupEpg(_epgMap, et -> ((ClickLog) et).getUserSessionId(), (et, vl) -> ((ClickLog) et).setUserSessionId(DfTypeUtil.toString(vl)),