import java.util.List;
import java.util.Set;
import java.util.concurrent.ConcurrentMap;
import java.util.jar.JarFile;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

import org.codelibs.core.jar.JarFileUtil;
import org.codelibs.core.lang.ClassLoaderUtil;
import org.codelibs.core.lang.ClassUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.log.Logger;
import org.codelibs.core.net.URLUtil;

import java.net.URL;
import java.util.Properties;

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.exception.ResourceNotFoundRuntimeException;
import org.codelibs.core.jar.JarFileUtil;
import org.codelibs.core.net.URLUtil;

/**
 * Utility class for resource handling.
 *
 * @author higa
 */
public abstract class ResourceUtil {

    /**
     * Do not instantiate.
     */