* deleting stemmer override items, as well as reloading the dictionary
 * from its source file.
 */
public class StemmerOverrideFile extends DictionaryFile<StemmerOverrideItem> {
    private static final Logger logger = LogManager.getLogger(StemmerOverrideFile.class);

    private static final String STEMMER_OVERRIDE = "stemmeroverride";

     */
    public OptionalEntity<StemmerOverrideFile> getStemmerOverrideFile(final String dictId) {
        return dictionaryManager.getDictionaryFile(dictId)
                .filter(StemmerOverrideFile.class::isInstance)
                .map(file -> OptionalEntity.of((StemmerOverrideFile) file))
                .orElse(OptionalEntity.empty());
    }

    /**

    }

    /**
     * Creates a new {@link StemmerOverrideFile} instance.
     *
     * @param id        The unique identifier for the dictionary file.
     * @param path      The file path of the dictionary.
     * @param timestamp The last modified timestamp of the file.
     * @return A new {@link StemmerOverrideFile} associated with the dictionary manager.
     */
    @Override

import org.codelibs.fess.unit.UnitFessTestCase;

public class StemmerOverrideFileTest extends UnitFessTestCase {
    private StemmerOverrideFile stemmerOverrideFile;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        stemmerOverrideFile = new StemmerOverrideFile("1", "dummy", new Date());
        List<StemmerOverrideItem> itemList = new ArrayList<>();

                                    <label for="stemmeroverrideFile" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.dict_stemmeroverride_file"/></label>
                                    <div class="col-sm-9">
                                        <input type="file" id="stemmeroverrideFile" name="stemmeroverrideFile" class="form-control-file"/>

     * The multipart file containing the stemmer override rules to be uploaded.
     * This file should contain mappings that override default stemming for specific words.
     */
    @Required
    public MultipartFormFile stemmerOverrideFile;

    /**
     * Default constructor for UploadForm.
     * Creates a new instance with default values.
     */
    public UploadForm() {
        // Default constructor
    }

        validateApi(form, messages -> {});
        final StemmerOverrideFile file = stemmerOverrideService.getStemmerOverrideFile(form.dictId).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsFailedToUploadProtwordsFile(GLOBAL));
            return null;
        });
        try (InputStream inputStream = form.stemmerOverrideFile.getInputStream()) {
            file.update(inputStream);

labels.scriptType=Execution Method
labels.segmentation=Segmentation
labels.startTime=Start Time
labels.target=Target
labels.token=Token
labels.synonymFile=Synonym File
labels.stopwordsFile=Stopwords File
labels.stemmerOverrideFile=Stemmer Override File
labels.mappingFile=Mapping File
labels.protwordsFile=Protwords File
labels.kuromojiFile=Kuromoji File
labels.elevateWordFile=Elevate Word File
labels.badWordFile=Bad Word File

        verifyToken(() -> uploadpage(form.dictId));
        return stemmerOverrideService.getStemmerOverrideFile(form.dictId).map(file -> {
            try (InputStream inputStream = form.stemmerOverrideFile.getInputStream()) {
                file.update(inputStream);
            } catch (final IOException e) {
                logger.warn("Failed to process a request.", e);

labels.scriptData=腳本
labels.scriptResult=結果
labels.scriptType=執行方法
labels.segmentation=分段
labels.startTime=開始時間
labels.target=目標
labels.token=令牌
labels.synonymFile=同義詞檔案
labels.stopwordsFile=停用詞檔案
labels.stemmerOverrideFile=詞幹覆蓋檔案
labels.mappingFile=映射檔案
labels.protwordsFile=Protwords檔案
labels.kuromojiFile=Kuromoji檔案
labels.elevateWordFile=提升詞檔案
labels.badWordFile=不良詞檔案
labels.urlExpr=條件
labels.boostExpr=提升值表達式