import org.codelibs.core.exception.IORuntimeException;

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

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

    /**
     * A method that wraps the exception handling of {@link JarURLConnection#getJarFile()}.
     *
     * @param conn

import java.util.jar.JarFile;
import java.util.zip.ZipEntry;

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.io.FileUtil;
import org.codelibs.core.log.Logger;
import org.codelibs.core.net.JarURLConnectionUtil;
import org.codelibs.core.net.URLUtil;

/**
 * Utility class for handling {@link java.util.jar.JarFile}.
 *
 * @author higa
 */
public abstract class JarFileUtil {

    /**