* @see org.codelibs.fess.crawler.entity.AccessResultData
 * @see org.codelibs.core.lang.StringUtil
 */
public final class XmlUtil {

    private static final Logger logger = LogManager.getLogger(XmlUtil.class);

    private XmlUtil() {
    }

    /**
     * Escapes special characters in the given XML string to their corresponding

/**
 * Test class for XmlUtil.
 *
 * @author shinsuke
 */
public class XmlUtilTest extends PlainTestCase {

    public void test_escapeXml_null() {
        // Test null input
        assertEquals(StringUtil.EMPTY, XmlUtil.escapeXml(null));
    }

    public void test_escapeXml_empty() {
        // Test empty string
        assertEquals("", XmlUtil.escapeXml(""));
    }

import java.nio.charset.StandardCharsets;

import org.apache.lucene.analysis.CharArraySet;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.WordlistLoader;
import org.apache.lucene.util.IOUtils;
import org.codelibs.analysis.ja.NumberConcatenationFilter;
import org.opensearch.common.settings.Settings;
import org.opensearch.env.Environment;
import org.opensearch.index.IndexSettings;

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

import java.io.InputStream;

import org.apache.commons.io.IOUtils;
import org.codelibs.fess.crawler.entity.AccessResultDataImpl;
import org.codelibs.fess.crawler.entity.ResponseData;
import org.codelibs.fess.crawler.entity.ResultData;

 */
package org.codelibs.fess.crawler.transformer.impl;

import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;

import org.apache.commons.io.IOUtils;
import org.codelibs.fess.crawler.entity.AccessResultData;
import org.codelibs.fess.crawler.entity.ResponseData;
import org.codelibs.fess.crawler.entity.ResultData;