"\"data\":" + pingResponse.getMessage());
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to process a ping request.", e);
            }
            writeJsonResponse(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e);
        }
    }

            throws IOException, ServletException {
        final RequestManager requestManager = ComponentUtil.getRequestManager();
        if (!requestManager.findUserBean(FessUserBean.class).map(user -> user.hasRoles(acceptedRoles)).orElse(Boolean.FALSE)) {

                handler.process(origin, request, response);

                if (OPTIONS.equals(httpRequest.getMethod())) {
                    final HttpServletResponse httpResponse = (HttpServletResponse) response;
                    httpResponse.setStatus(HttpServletResponse.SC_ACCEPTED);
                    return;
                }
            } else if (logger.isDebugEnabled()) {

import org.lastaflute.web.util.LaRequestUtil;
import org.lastaflute.web.util.LaResponseUtil;

import jakarta.annotation.PostConstruct;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;

/**
 * Authenticator for SAML 2.0.
 *
 * <p>This authenticator enables Single Sign-On (SSO) using SAML 2.0 protocol

import org.lastaflute.web.util.LaResponseUtil;

import jakarta.annotation.PostConstruct;
import jakarta.servlet.FilterConfig;
import jakarta.servlet.ServletContext;
import jakarta.servlet.http.HttpServletResponse;

/**
 * SPNEGO (Security Provider Negotiation Protocol) authenticator implementation.
 *
 * This class provides Single Sign-On (SSO) authentication using the SPNEGO protocol,

import org.lastaflute.web.util.LaResponseUtil;

import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * RankFusionProcessor manages multiple search engines and combines their results using rank fusion algorithms.