import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.io.IOException;
import java.net.JarURLConnection;
import java.util.jar.JarFile;

import org.codelibs.core.exception.IORuntimeException;

/**
 * Utility class for {@link JarURLConnection}.
 *
 * @author higa
 */
public abstract class JarURLConnectionUtil {

    /**
     * Do not instantiate.
     */

                fos.write(chunk);
            }
        }

        try {
            FileUtil.readBytes(largeFile);
            fail("Expected IORuntimeException for large file");
        } catch (final IORuntimeException e) {
            assertTrue("Error message should mention file size", e.getMessage().contains("File too large"));
        }
    }

    /**

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;

import java.io.IOException;
import java.io.InputStream;
import java.net.URLConnection;

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.io.CloseableUtil;
import org.codelibs.core.io.ResourceUtil;

/**
 * Utility class for MIME types.
 *
 * @author shot
 */
public abstract class MimeTypeUtil {

    /**

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

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

import javax.xml.parsers.DocumentBuilder;

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.exception.SAXRuntimeException;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;

/**
 * Utility class for {@link DocumentBuilder}.
 *
 * @author higa
 */

import java.net.URLConnection;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.Map;

import org.codelibs.core.exception.ClRuntimeException;
import org.codelibs.core.exception.IORuntimeException;

/**
 * Utility class for handling {@link URL}.
 *
 * @author higa
 */
public abstract class URLUtil {

    /**
     * Do not instantiate.
     */
    protected URLUtil() {
    }

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.exception.IORuntimeException;
import org.codelibs.core.io.CopyUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.misc.Pair;
import org.codelibs.curl.CurlResponse;
import org.codelibs.fess.Constants;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

import org.codelibs.core.exception.IORuntimeException;

/**
 * Utility class for {@link InputStream}.
 *
 * @author higa
 */
public abstract class InputStreamUtil {

    /**
     * Do not instantiate.
     */
    protected InputStreamUtil() {

import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;

import org.codelibs.core.exception.IORuntimeException;

/**
 * Utility class for {@link Reader} operations.
 *
 * @author higa
 */
public abstract class ReaderUtil {

    /**
     * Do not instantiate.
     */
    protected ReaderUtil() {

import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.message.BasicNameValuePair;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.io.InputStreamUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.misc.Pair;
import org.codelibs.core.stream.StreamUtil;
import org.codelibs.fess.crawler.Constants;

import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;

import org.codelibs.core.exception.IORuntimeException;

/**
 * Utility class for {@link Writer} operations.
 *
 * @author koichik
 */
public abstract class WriterUtil {

    /**
     * Do not instantiate.
     */
    protected WriterUtil() {