/** * NOTE: you can only retrieve a ProxyGrantingTicket once with this method. Its removed after * retrieval. */ public String retrieve(final String proxyGrantingTicketIou) { if (CommonUtils.isBlank(proxyGrantingTicketIou)) { return null; } final ProxyGrantingTicketHolder holder = this.cache.get(proxyGrantingTicketIou); if (holder == null) { logger.info("No Proxy Ticket found for [{}].", proxyGrantingTicketIou); return null; } this.cache.remove(proxyGrantingTicketIou); logger.debug("Returned ProxyGrantingTicket of [{}]", holder.getProxyGrantingTicket()); return holder.getProxyGrantingTicket(); }