import java.io.UnsupportedEncodingException;
import java.net.URL;
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.