}

    /**
     * SSO logout endpoint.
     *
     * This method handles SSO logout requests, coordinating with the SSO provider
     * to properly terminate the user's SSO session. It may involve redirecting
     * to the SSO provider's logout endpoint or performing local logout operations.
     *
     * @return ActionResponse directing to the logout page or SSO provider logout endpoint
     */
    @Execute

<components>
	<component name="entraidAuthenticator" class="org.codelibs.fess.sso.entraid.EntraIdAuthenticator">
	</component>
	<component name="oicAuthenticator" class="org.codelibs.fess.sso.oic.OpenIdConnectAuthenticator">
	</component>
	<component name="samlAuthenticator" class="org.codelibs.fess.sso.saml.SamlAuthenticator">
	</component>
	<component name="spnegoAuthenticator" class="org.codelibs.fess.sso.spnego.SpnegoAuthenticator">
	</component>

 */
package org.codelibs.fess.sso;

/**
 * Represents the type of SSO (Single Sign-On) response being requested.
 * This enum is used to differentiate between various SSO operations,
 * such as metadata requests and logout actions.
 */
public enum SsoResponseType {
    /**
     * Indicates a request for SSO metadata, which is typically used for

import org.codelibs.fess.mylasta.action.FessMessages;
import org.lastaflute.web.validation.VaMessenger;

/**
 * Exception thrown during SSO (Single Sign-On) processing with message code support.
 *
 * This exception is used to indicate errors that occur during SSO authentication
 * and authorization processes. It carries both a message code for internationalization

import org.lastaflute.web.response.ActionResponse;

/**
 * Manager class for coordinating SSO (Single Sign-On) authentication operations.
 *
 * This class serves as the central coordinator for SSO authentication in Fess.
 * It manages registered SSO authenticators, determines when SSO is available,
 * and delegates authentication operations to the appropriate SSO provider based
 * on the current configuration.
 */
public class SsoManager {

public class SitemapAlternateLink implements Serializable {

    private static final long serialVersionUID = 1L;

    /**
     * The language/region code for this alternate link.
     * Should be in ISO 639-1 format (language) optionally followed by ISO 3166-1 Alpha 2 format (region).
     * For example: "en", "en-US", "de-CH", "x-default"
     */
    private String hreflang;

    /**
     * The URL of the alternate version of the page.

 */
package org.codelibs.fess.exception;

/**
 * Exception thrown when SSO (Single Sign-On) login operations fail.
 *
 * This exception is used to indicate various SSO authentication failures
 * including configuration errors, authentication token validation failures,
 * communication issues with SSO providers, and other SSO-related problems.
 */
public class SsoLoginException extends FessSystemException {

 */
package org.codelibs.fess.exception;

/**
 * Exception thrown during SSO (Single Sign-On) processing operations.
 *
 * This exception is used to indicate errors that occur during the execution
 * of SSO authentication and authorization processes. It extends FessSystemException
 * to provide consistent error handling within the Fess system for SSO-related
 * processing failures such as token validation errors, communication failures

 * integrated with Fess. Implementations handle specific SSO protocols like SAML,
 * OAuth, SPNEGO, or other authentication mechanisms. Each authenticator is responsible
 * for obtaining login credentials, resolving user information, and managing SSO
 * lifecycle operations like logout and metadata exchange.
 */
public interface SsoAuthenticator {

    /**

        final String originalEncoding = textExtractor.getEncoding();
        assertEquals("UTF-8", originalEncoding);

        textExtractor.setEncoding("ISO-8859-1");
        assertEquals("ISO-8859-1", textExtractor.getEncoding());

        // Reset
        textExtractor.setEncoding("UTF-8");
        assertEquals("UTF-8", textExtractor.getEncoding());
    }

    /**