private DataService dataService;

    @Resource
    private UrlQueueService urlQueueService;

    @Resource
    private UrlFilterService urlFilterService;

    @Resource
    private FileTransformer fileTransformer;

    @Resource
    private FesenClient fesenClient;

    private OpenSearchRunner runner;

    @Override
    protected String prepareConfigFile() {
        return "app.xml";
    }

		</postConstruct>
		<postConstruct name="put">
			<arg>"//LINK"</arg>
			<arg>"href"</arg>
		</postConstruct>
	</component>

	<component name="fileTransformer"
		class="org.codelibs.fess.crawler.transformer.impl.FileTransformer" instance="singleton">
		<property name="name">"fileTransformer"</property>
		<property name="featureMap">defaultFeatureMap</property>
		<property name="propertyMap">defaultPropertyMap</property>

		<property name="defaultRule">true</property>
		<property name="responseProcessor">
			<component
				class="org.codelibs.fess.crawler.processor.impl.DefaultResponseProcessor">
				<property name="transformer">fileTransformer</property>
				<property name="successfulHttpCodes">(int[])[200]</property>
				<property name="notModifiedHttpCodes">(int[])[304]</property>
			</component>
		</property>
	</component>

- **ResponseProcessor**: `DefaultResponseProcessor`, `SitemapsResponseProcessor`, `NullResponseProcessor`
- **Transformer**: `HtmlTransformer`, `XmlTransformer`, `FileTransformer`, etc.
- **Extractor**: Weight-based selection (tries in descending weight order)

### Key Extractors