RemoteAddressBlocker.java 文件源码

@Nonnull
private static String getRemoteAddress(@Nonnull final Authentication authentication) {
    final Object details = authentication.getDetails();
    if (details != null) {
        if (details instanceof WebAuthenticationDetails) {
            final WebAuthenticationDetails webAuthenticationDetails = (WebAuthenticationDetails) details;
            return webAuthenticationDetails.getRemoteAddress();

        } else if (details instanceof ExternalAuthenticationDetails) {
            final ExternalAuthenticationDetails externalAuthenticationDetails =
                (ExternalAuthenticationDetails) details;
            return externalAuthenticationDetails.getRemoteAddress();
        }
    }
    throw new InternalAuthenticationServiceException("Authentication details is missing");
}