/**
 * Denotes that a bean should be created as a singleton instance.
 * <p>
 * Singleton-scoped beans are instantiated once and reused throughout the entire
 * Maven execution. This scope should be used for stateless services or components
 * that can be safely shared across the entire build process.
 * <p>
 * Example usage:
 * <pre>
 * {@literal @}Singleton
 * public class GlobalConfiguration {
 *     // Implementation

        StandardCrawlerContainer container = new StandardCrawlerContainer();
        
        // Configure basic components
        container.singleton("crawler", Crawler.class)
                .singleton("httpClient", HcHttpClient.class)
                .singleton("fileTransformer", FileTransformer.class);
        
        // Get crawler instance
        Crawler crawler = container.getComponent("crawler");
        

import jcifs.config.PropertyConfiguration;

/**
 * Global singleton context
 *
 * @author mbechler
 *
 */
public class SingletonContext extends BaseContext implements CIFSContext {

    private static final Logger log = LoggerFactory.getLogger(SingletonContext.class);
    private static SingletonContext INSTANCE;

    /**
     * Initialize singleton context using custom properties
     *

        container.singleton("archiveStreamFactory", ArchiveStreamFactory.class)
                .singleton("compressorStreamFactory", CompressorStreamFactory.class)
                .singleton("mimeTypeHelper", MimeTypeHelperImpl.class)
                .singleton("tikaExtractor", TikaExtractor.class)
                .singleton("tarExtractor", TarExtractor.class)

     * @return this container instance for method chaining
     */
    public <T> StandardCrawlerContainer singleton(final String name, final Class<T> cls, final Consumer<T> initializer) {
        return singleton(name, cls, initializer, (Consumer<T>) null);
    }

    /**
     * Registers a singleton component with the specified name and class.
     * One instance will be shared throughout the container's lifecycle.

		<property name="name">"htmlTransformer"</property>
		<property name="featureMap">defaultFeatureMap</property>
		<property name="propertyMap">defaultPropertyMap</property>
		<property name="childUrlRuleMap">htmlUrlRuleMap</property>
	</component>

	<component name="textTransformer"
		class="org.codelibs.fess.crawler.transformer.impl.TextTransformer" instance="singleton">

	<component name="fessFileTransformer" class="org.codelibs.fess.crawler.transformer.FessFileTransformer" instance="singleton">
		<property name="name">"fessFileTransformer"</property>
	</component>

	<component name="fessStandardTransformer" class="org.codelibs.fess.crawler.transformer.FessStandardTransformer" instance="singleton">
		<property name="name">"fessStandardTransformer"</property>
	</component>

                .singleton("pdfExtractor", PdfExtractor.class)//
                .singleton("lhaExtractor", LhaExtractor.class)//
                .singleton("mimeTypeHelper", MimeTypeHelperImpl.class)//
                .singleton("contentLengthHelper", ContentLengthHelper.class)//
                .singleton("extractorFactory", ExtractorFactory.class);

        StandardCrawlerContainer container = new StandardCrawlerContainer().singleton("emlExtractor", EmlExtractor.class);
        container.singleton("mimeTypeHelper", MimeTypeHelperImpl.class)
                .singleton("tikaExtractor", TikaExtractor.class)
                .singleton("zipExtractor", ZipExtractor.class)
                .<ExtractorFactory> singleton("extractorFactory", ExtractorFactory.class, factory -> {

        super.setUp();
        StandardCrawlerContainer container = new StandardCrawlerContainer();
        container.singleton("mimeTypeHelper", MimeTypeHelperImpl.class)
                .singleton("tikaExtractor", TikaExtractor.class)
                .singleton("lhaExtractor", LhaExtractor.class)
                .<ExtractorFactory> singleton("extractorFactory", ExtractorFactory.class, factory -> {