DefaultConnectionKeepAliveStrategyHC4.java 文件源码

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) {
            }
        }
    }
    return -1;
}