import org.codelibs.spnego.SpnegoPrincipal;
import org.dbflute.optional.OptionalEntity;
import org.lastaflute.web.login.credential.LoginCredential;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.servlet.filter.RequestLoggingFilter;
import org.lastaflute.web.util.LaRequestUtil;
import org.lastaflute.web.util.LaResponseUtil;

public class SpnegoAuthenticator implements SsoAuthenticator {

        this.defaultOperator = defaultOperator;
    }

    public void addFilter(final Filter filter) {
        filterList.add(filter);
        createFilterChain();
    }

    protected void createFilterChain() {
        FilterChain chain = createDefaultFilterChain();
        for (final Filter element : filterList) {
            chain = appendFilterChain(element, chain);
        }
        filterChain = chain;

        stream(conditions.get(SearchRequestParams.AS_OCCURRENCE))
                .of(stream -> stream.filter(this::isOccurrence).findFirst().ifPresent(q -> queryBuf.insert(0, q + ":")));

        stream(conditions.get(SearchRequestParams.AS_Q)).of(stream -> stream
                .filter(q -> StringUtil.isNotBlank(q) && q.length() <= maxQueryLength).forEach(q -> queryBuf.append(' ').append(q)));

                            .filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
                    form.virtualHosts = stream(entity.getVirtualHosts())
                            .get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).collect(Collectors.joining("\n")));
                    form.name = null;

                            .filter(StringUtil::isNotBlank).distinct().toArray(n -> new String[n]));
                    final String[] labels = split(getValue(list, 3), ",")
                            .get(stream -> stream.filter(StringUtil::isNotBlank).distinct().toArray(n -> new String[n]));

        return stream(getPermissions()).get(stream -> stream.filter(s -> s.startsWith(fessConfig.getRoleSearchRolePrefix()))
                .map(s -> s.substring(1)).toArray(n -> new String[n]));
    }

    @Override
    public String[] getGroupNames() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return stream(getPermissions()).get(stream -> stream.filter(s -> s.startsWith(fessConfig.getRoleSearchGroupPrefix()))

                copyOp.excludeNull();
                copyOp.exclude(Constants.QUERIES);
            });
            form.queries =
                    stream(entity.getQueries()).get(stream -> stream.filter(StringUtil::isNotBlank).collect(Collectors.joining("\n")));
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), this::asListHtml);
        });

    public interface BoolCall<CQ extends EsAbstractConditionQuery> {

        void callback(CQ must, CQ should, CQ mustNot, CQ filter);
    }

    @FunctionalInterface
    public interface FilteredCall<CQ extends EsAbstractConditionQuery, CF extends EsAbstractConditionQuery> {

        void callback(CQ query, CF filter);
    }

    @FunctionalInterface
    public interface OperatorCall<CQ extends EsAbstractConditionQuery> {

    public interface BoolCall<CQ extends EsAbstractConditionQuery> {

        void callback(CQ must, CQ should, CQ mustNot, CQ filter);
    }

    @FunctionalInterface
    public interface FilteredCall<CQ extends EsAbstractConditionQuery, CF extends EsAbstractConditionQuery> {

        void callback(CQ query, CF filter);
    }

    @FunctionalInterface
    public interface OperatorCall<CQ extends EsAbstractConditionQuery> {

    public static File[] getPluginJarFiles(final String namePrefix) {
        return getPluginJarFiles((file, name) -> name.startsWith(namePrefix));
    }

    public static File[] getPluginJarFiles(final FilenameFilter filter) {
        final ServletContext context = LaServletContextUtil.getServletContext();
        if (context == null) {
            return new File[0];
        }