* @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;

        // TODO: Support other XML footer types
        // TODO: Support other field types and trimming options
        return "<field name=\"" + XmlUtil.escapeXml(name) + "\">" + trimSpace(XmlUtil.escapeXml(value != null ? value : "")) + "</field>\n";
    }

    /**
     * Returns the result data body for multiple values.
     * @param name The name of the field.

 * 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;

     */
    protected String getResultDataBody(final String name, final String value) {
        // TODO support other type
        // TODO trim(default)
        return "<field name=\"" + XmlUtil.escapeXml(name) + "\">" + trimSpace(XmlUtil.escapeXml(value != null ? value : "")) + "</field>\n";
    }

    /**
     * Returns the body of the result data for multiple values.
     * @param name The name of the field.

import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.function.Consumer;

import org.apache.commons.io.IOUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.io.CloseableUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.exception.JobNotFoundException;

import java.util.function.Supplier;
import java.util.logging.Logger;
import java.util.zip.GZIPInputStream;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLSocketFactory;

import org.apache.commons.io.IOUtils;
import org.codelibs.curl.Curl.Method;
import org.codelibs.curl.io.ContentCache;
import org.codelibs.curl.io.ContentOutputStream;

/**