* </p>
 *
 * <p>
 * Example usage:
 * </p>
 *
 * <pre>
 * try {
 *     // Attempt to access a resource
 * } catch (CrawlingAccessException e) {
 *     if (e.isErrorEnabled()) {
 *         // Log the error
 *     }
 * }
 * </pre>
 */
public class CrawlingAccessException extends CrawlerSystemException {

    private static final long serialVersionUID = 1L;

    /**

     *
     * @param objs the log objects (should contain a Throwable)
     */
    protected void processSystemError(final Object... objs) {
        final Throwable t = (Throwable) objs[0];
        if (logger.isErrorEnabled()) {
            logger.error("System Error.", t);
        }
    }

    /**
     * Processes no rule found log events.
     *
     * @param objs the log objects (should contain ResponseData)

            } else if (logger.isDebugEnabled()) {
                LogStream.setLevel(3);
            } else if (logger.isWarnEnabled()) {
                LogStream.setLevel(2);
            } else if (logger.isErrorEnabled()) {
                LogStream.setLevel(1);
            } else {
                LogStream.setLevel(0);
            }
        }

        LogStream.setInstance(new PrintStream(new OutputStream() {

    void warn(Supplier<String> content);

    void warn(Supplier<String> content, Throwable error);

    /**
     * {@return true if the <b>error</b> error level is enabled}
     */
    boolean isErrorEnabled();

    /**
     * Sends a message to the user in the <b>error</b> error level.
     *
     * @param content the message to log
     */
    void error(CharSequence content);

    /**