*/
package org.codelibs.fess.crawler.helper;

import java.io.InputStream;
import java.util.Map;

/**
 * MimeTypeHelper provides methods to determine the content type of a given input stream or file.
 * It allows content type detection based on the stream's content and/or filename.
 */
public interface MimeTypeHelper {
    /**
     * Determines the content type of the given input stream and filename.

 * </p>
 *
 * <p>
 * Usage:
 * </p>
 * <pre>
 * MimeTypeHelperImpl mimeTypeHelper = new MimeTypeHelperImpl();
 * String contentType = mimeTypeHelper.getContentType(inputStream, filename);
 * </pre>
 */
public class MimeTypeHelperImpl implements MimeTypeHelper {
    /** The resource name for the MIME types configuration file. */

        if (in == null) {
            throw new CrawlerSystemException("LHA archive input stream is null. Cannot extract text from null input.");
        }

        final MimeTypeHelper mimeTypeHelper = getMimeTypeHelper();
        final ExtractorFactory extractorFactory = getExtractorFactory();
        final StringBuilder buf = new StringBuilder(1000);

        File tempFile = null;

    }

    /**
     * Returns the MimeTypeHelper instance from the CrawlerContainer.
     * @return The MimeTypeHelper instance.
     */
    protected MimeTypeHelper getMimeTypeHelper() {
        final MimeTypeHelper mimeTypeHelper = crawlerContainer.getComponent("mimeTypeHelper");
        if (mimeTypeHelper == null) {
            throw new CrawlerSystemException("MimeTypeHelper is unavailable.");
        }

        validateInputStream(in);

        final MimeTypeHelper mimeTypeHelper = getMimeTypeHelper();
        final ExtractorFactory extractorFactory = getExtractorFactory();
        return new ExtractData(getTextInternal(in, mimeTypeHelper, extractorFactory));
    }

    /**
     * Returns a text from the input stream.
     *
     * @param in The input stream.
     * @param mimeTypeHelper The mime type helper.

    public ZipExtractor() {
        super();
    }

    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        validateInputStream(in);

        final MimeTypeHelper mimeTypeHelper = getMimeTypeHelper();
        final ExtractorFactory extractorFactory = getExtractorFactory();
        final StringBuilder buf = new StringBuilder(1000);
        int processedEntries = 0;

<!DOCTYPE components PUBLIC "-//DBFLUTE//DTD LastaDi 1.0//EN"
	"http://dbflute.org/meta/lastadi10.dtd">
<components namespace="fessCrawler">
	<include path="crawler/container.xml" />

	<component name="mimeTypeHelper"
		class="org.codelibs.fess.crawler.helper.impl.MimeTypeHelperImpl" instance="singleton">
	</component>

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        StandardCrawlerContainer container = new StandardCrawlerContainer();
        container.singleton("mimeTypeHelper", MimeTypeHelperImpl.class)
                .singleton("tikaExtractor", TikaExtractor.class)
                .singleton("lhaExtractor", LhaExtractor.class)

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

        container.singleton("pdfExtractor", PdfExtractor.class)//
                .singleton("pdfExtractorForPdfPassword", PdfExtractor.class)//
                .singleton("mimeTypeHelper", MimeTypeHelperImpl.class)//
                .singleton("tikaExtractor", TikaExtractor.class)//
                .<ExtractorFactory> singleton("extractorFactory", ExtractorFactory.class, factory -> {