content: package org.libtorrent4j.alerts;
  
  import org.libtorrent4j.ErrorCode;
  import org.libtorrent4j.swig.url_seed_alert;
  
  /**
   * This alert is generated when a HTTP seed name lookup fails.
   *
   * @author gubatron
   * @author aldenml
   */
  public final class UrlSeedAlert extends TorrentAlert<url_seed_alert> {
  
      UrlSeedAlert(url_seed_alert alert) {
          super(alert);
      }
  
      /**
       * The error the web seed encountered. If this is not set, the server
       * sent an error message, call {@link #errorMessage()}.
       *
       * @return error code
       */
      public ErrorCode error() {
          return new ErrorCode(alert.getError());
      }
  
      /**
       * The URL the error is associated with.
       *
       * @return server url
       */
      public String serverUrl() {
          return alert.server_url();
      }
  
      /**
       * In case the web server sent an error message, this function returns
       * it.
       *
       * @return error message
       */
      public String errorMessage() {
          return alert.error_message();
      }
  }
  