* @param hook The error hook.
     * @return An optional entity of a stemmer override item.
     */
    protected OptionalEntity<StemmerOverrideItem> createStemmerOverrideItem(final CreateForm form, final VaErrorHook hook) {
        try {
            return createStemmerOverrideItem(this, form, hook);
        } catch (final ValidationErrorException e) {
            saveToken();
            throw e;
        }
    }

    /**

 */
package org.codelibs.fess.app.web.api.admin.dict.stemmeroverride;

import static org.codelibs.fess.app.web.admin.dict.stemmeroverride.AdminDictStemmeroverrideAction.createStemmerOverrideItem;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.stream.Collectors;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;