@Override
    public synchronized void delete(final StemmerOverrideItem item) {
        final StemmerOverrideItem stemmerOverrideItem = item;
        stemmerOverrideItem.setNewInput(StringUtil.EMPTY);
        stemmerOverrideItem.setNewOutput(StringUtil.EMPTY);
        try (StemmerOverrideUpdater updater = new StemmerOverrideUpdater(item)) {
            reload(updater);
        }
    }

    /**

import java.util.stream.Stream;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.annotation.Secured;
import org.codelibs.fess.app.pager.RelatedQueryPager;
import org.codelibs.fess.app.service.RelatedQueryService;

 * governing permissions and limitations under the License.
 */
package org.codelibs.core.convert;

import java.text.SimpleDateFormat;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.text.DecimalFormatUtil;

/**
 * Utility class for conversions related to {@link Short}.
 *
 * @author higa
 */
public abstract class ShortConversionUtil {

    /**

            final String s = file.toUri().toString();
            final String b = basePath.toUri().toString();
            final String id = s.replace(b, StringUtil.EMPTY).replace("." + imageExtention, StringUtil.EMPTY).replace("/", StringUtil.EMPTY);
            if (logger.isDebugEnabled()) {
                logger.debug("Base: {} File: {} DocId: {}", b, s, id);
            }
            return id;
        }

import java.text.DecimalFormat;
import java.text.ParseException;

import org.codelibs.core.beans.Converter;
import org.codelibs.core.exception.ParseRuntimeException;
import org.codelibs.core.lang.StringUtil;

/**
 * Converter for numbers.
 *
 * @author higa
 */
public class NumberConverter implements Converter {

    /**
     * The pattern for numbers.
     */
    protected String pattern;

import java.io.IOException;
import java.io.InputStream;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.annotation.Secured;
import org.codelibs.fess.app.pager.StopwordsPager;
import org.codelibs.fess.app.service.StopwordsService;

                            }
                            paramMap.put(key, data);
                        } else {
                            paramMap.put(key, StringUtil.EMPTY);
                        }
                    } else {
                        paramMap.put(line.trim(), StringUtil.EMPTY);
                    }
                }
            }
        }
        return paramMap;
    }

    /**

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.util;

import java.util.Map;
import java.util.regex.Pattern;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.stream.StreamUtil;
import org.codelibs.fess.Constants;
import org.dbflute.optional.OptionalThing;

/**
 * Utility class for managing field configurations with parameter mappings.

import java.util.UUID;
import java.util.function.Supplier;
import java.util.stream.Collectors;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.web.api.ApiResult;
import org.codelibs.fess.app.web.api.ApiResult.ApiErrorResponse;
import org.codelibs.fess.app.web.api.ApiResult.Status;

import java.util.Map;
import java.util.stream.Collectors;

import org.apache.commons.text.StringEscapeUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.app.web.base.login.FessCredential;
import org.codelibs.fess.mylasta.action.FessUserBean;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.optional.OptionalThing;