*/
    @Override
    protected Pattern getTagPattern() {
        // not used
        return null;
    }

    public void addFeature(final String key, final String value) {
        if (StringUtil.isBlank(key) || StringUtil.isBlank(value)) {
            throw new CrawlerSystemException("key or value is null.");
        }

        }

        final Matcher matcher = invalidUrlPattern.matcher(path);
        if (matcher.find()) {
            return false;
        }

        return true;
    }

    public void addFeature(final String key, final String value) {
        if (StringUtil.isBlank(key) || StringUtil.isBlank(value)) {
            throw new CrawlerSystemException("key or value is null.");
        }

        }
        return value;
    }

    public void addAttribute(final String name, final Object value) {
        attributeMap.put(name, value);
    }

    public void addFeature(final String key, final String value) {
        featureMap.put(key, value);
    }

    public void addFieldRule(final String name, final String xpath) {
        fieldRuleMap.put(name, xpath);
    }

		class="org.codelibs.fess.crawler.extractor.impl.XmlExtractor" />
	<component name="htmlXpathExtractor"
		class="org.codelibs.fess.crawler.extractor.impl.HtmlXpathExtractor">
		<postConstruct name="addFeature">
			<arg>"http://xml.org/sax/features/namespaces"</arg>
			<arg>"false"</arg>
		</postConstruct>
	</component>
	<component name="emlExtractor"
		class="org.codelibs.fess.crawler.extractor.impl.EmlExtractor"/>

if(this.is){this.is=this.is.toLowerCase();}}});Polymer.Base._addFeature({behaviors:[],_desugarBehaviors:function(){if(this.behaviors.length){this.behaviors=this._d...