ResponseData data = new ResponseData();

        byte[] content = "Test content".getBytes(StandardCharsets.UTF_8);
        data.setResponseBody(content);

        assertTrue(data.hasResponseBody());
        assertNotNull(data.getResponseBody());

        try (InputStream is = data.getResponseBody()) {
            byte[] buffer = new byte[content.length];
            int bytesRead = is.read(buffer);

    /**
     * Extracts the token value from the content using the given pattern.
     * @param tokenPattern The regex pattern.
     * @param content The content to search.
     * @return The extracted token value.
     */
    protected String getTokenValue(final String tokenPattern, final String content) {
        final Matcher matcher = Pattern.compile(tokenPattern).matcher(content);
        if (matcher.find()) {

        String field = "content";
        String lang = "en";

        List<AnalyzeToken> tokens = analyzer.analyze(text, field, lang);

        assertNotNull(tokens);
        assertTrue(tokens.isEmpty());
    }

    @Test
    public void testAnalyzeWithNullText() {
        // Test analyze with null text
        String text = null;
        String field = "content";
        String lang = "en";

     * Allows clients to provide custom content building implementations.
     */
    public interface XContentBuilderCallback {
        /**
         * Applies custom logic to build XContent using the provided builder and parameters.
         *
         * @param builder the XContentBuilder to use for building content
         * @param params the parameters to use during content building
         * @return the modified XContentBuilder

import org.lastaflute.web.response.JsonResponse;

import jakarta.annotation.Resource;

/**
 * API action for admin related content management.
 * Provides RESTful API endpoints for managing related content settings in the Fess search engine.
 * Related content settings define content relationships and associations for search results.
 */
public class ApiAdminRelatedcontentAction extends FessApiAdminAction {

    }

    /**
     * Appends line numbers to each line of content with a given prefix.
     * Useful for debugging and displaying content with line references.
     *
     * @param prefix the prefix to add before each line number
     * @param content the content to add line numbers to
     * @return the content with line numbers prepended, or empty string if content is blank
     */

import jakarta.validation.constraints.Size;

/**
 * Form class for editing related content configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing related content entries,
 * including tracking information for optimistic locking and audit trails.
 * Related content configurations define relationships between documents for enhanced search results.
 *
 */

    public static final String ACCESS_TIMEOUT_PROPERTY = "accessTimeout";

    /** The property name for maximum content length. */
    public static final String MAX_CONTENT_LENGTH = "maxContentLength";

    /** The property name for maximum cached content size. */
    public static final String MAX_CACHED_CONTENT_SIZE = "maxCachedContentSize";

    /** The crawler container. */
    @Resource

    public void test_getText() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/msoffice/test.xls");
        final String content = msExcelExtractor.getText(in, null).getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getText_null() {
        try {
            msExcelExtractor.getText(null, null);

    public void test_getText() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/msoffice/test.ppt");
        final String content = msPowerPointExtractor.getText(in, null).getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getText_null() {
        try {
            msPowerPointExtractor.getText(null, null);