DefaultConnectionKeepAliveStrategy.java 文件源码

@Override
public long getKeepAliveDuration(final HttpResponse response, final HttpContext context) {
   Args.notNull(response, "HTTP response");
   final HeaderElementIterator it = new BasicHeaderElementIterator(response.headerIterator(HTTP.CONN_KEEP_ALIVE));
   while (it.hasNext()) {
      final HeaderElement he = it.nextElement();
      final String param = he.getName();
      final String value = he.getValue();
      if (value != null && param.equalsIgnoreCase("timeout")) {
         try {
            return Long.parseLong(value) * 1000;
         } catch (final NumberFormatException ignore) {
            LOGGER.warn("keep alive timeout could not be parsed: param=" + param + " value:" + value, ignore);
         }
      }
   }
   return DEFAULT_KEEP_ALIVE;
}