001/**
002 * Copyright (c) 2015-2022, Michael Yang 杨福海 (fuhai999@gmail.com).
003 * <p>
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * <p>
008 * http://www.apache.org/licenses/LICENSE-2.0
009 * <p>
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package io.jboot.support.shiro.directives;
017
018import com.jfinal.template.Env;
019import com.jfinal.template.io.Writer;
020import com.jfinal.template.stat.Scope;
021import io.jboot.web.directive.annotation.JFinalDirective;
022
023
024/**
025 * 游客访问时。
026 * 但是，当用户登录成功了就不显示了
027 * #shiroGuest()
028 * body
029 * #end
030 */
031@JFinalDirective("shiroGuest")
032public class ShiroGuestDirective extends JbootShiroDirectiveBase {
033
034    @Override
035    public void onRender(Env env, Scope scope, Writer writer) {
036
037        if (getSubject() == null || getSubject().getPrincipal() == null) {
038            renderBody(env, scope, writer);
039        }
040
041    }
042
043    @Override
044    public boolean hasEnd() {
045        return true;
046    }
047}