//                                                                      Implementation
    //                                                                      ==============
    @Override
    public String getUserId() {
        return user.getName();
    }

    // ===================================================================================
    //                                                                            Accessor

        this.attributes = attributes;
    }

    @Override
    public String toString() {
        return "{" + getUserId() + "}";
    }

    @Override
    public String getUserId() {
        return DocumentUtil.getValue(attributes, "email", String.class);
    }

    /**
     * Gets the user groups.
     *
     * @return the user groups
     */

            form.clearSecurityInfo();
            return asIndexHtml();
        };
        validatePasswordForm(form, toIndexPage);
        final String username = getUserBean().map(FessUserBean::getUserId).get();
        try {
            userService.changePassword(username, form.newPassword);
            saveInfo(messages -> messages.addSuccessChangedPassword(GLOBAL));
        } catch (final Exception e) {

        nameidSPNameQualifier = auth.getNameIdSPNameQualifier();
    }

    @Override
    public String toString() {
        return "{" + getUserId() + "}";
    }

    @Override
    public String getUserId() {
        return nameId;
    }

    /**
     * Gets the SAML user.
     * @return The SAML user.
     */
    public SamlUser getUser() {

        this.username = username;
    }

    /**
     * Gets the user identifier from this credential.
     *
     * @return The username from SPNEGO authentication
     */
    @Override
    public String getUserId() {
        return username;
    }

    /**
     * Returns a string representation of this credential.
     *
     * @return A string representation containing the username in braces
     */
    @Override

                    .orElseGet(() -> redirect(LoginAction.class));
        };
        validatePasswordForm(form, toIndexPage);
        final String username = getUserBean().map(FessUserBean::getUserId).get();
        try {
            userService.changePassword(username, form.password);
            saveInfo(messages -> messages.addSuccessChangedPassword(GLOBAL));
        } catch (final Exception e) {

 * Provides access to user identification information.
 */
public interface FessCredential {

    /**
     * Gets the user ID for this credential.
     * @return The user ID.
     */
    String getUserId();

     * @param password the password
     */
    public LocalUserCredential(final String user, final String password) {
        super(user, password);
    }

    @Override
    public String getUserId() {
        return getUser();
    }

        assertArrayEquals(new String[] { "group1", "group2" }, groups);

        OpenIdConnectCredential credential = new OpenIdConnectCredential(attributes);
        assertEquals("******@****.***", credential.getUserId());
        assertArrayEquals(new String[] { "group1", "group2" }, credential.getUserGroups());
    }

            return null;
        });
        getUserBean().ifPresent(u -> {
            if (u.getFessUser() instanceof User && entity.getName().equals(u.getUserId())) {
                throwValidationErrorApi(messages -> messages.addErrorsCouldNotDeleteLoggedInUser(GLOBAL));
            }
        });
        try {
            userService.delete(entity);