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.expr.ast.ExprList;
020import com.jfinal.template.io.Writer;
021import com.jfinal.template.stat.Scope;
022import io.jboot.utils.ArrayUtil;
023import io.jboot.web.directive.annotation.JFinalDirective;
024
025/**
026 * 有相应角色
027 * #shiroHasRole(roleName)
028 * body
029 * #end
030 */
031@JFinalDirective("shiroHasRole")
032public class ShiroHasRoleDirective extends JbootShiroDirectiveBase {
033
034    @Override
035    public void setExprList(ExprList exprList) {
036        if (exprList.getExprArray().length != 1) {
037            throw new IllegalArgumentException("#shiroHasRole must has one argument");
038        }
039        super.setExprList(exprList);
040    }
041
042    @Override
043    public void onRender(Env env, Scope scope, Writer writer) {
044        boolean hasRole = false;
045        if (getSubject() != null && ArrayUtil.isNotEmpty(exprList.getExprArray())) {
046            if (getSubject().hasRole(getPara(0, scope).toString())) {
047                hasRole = true;
048            }
049        }
050
051        if (hasRole) {
052            renderBody(env, scope, writer);
053        }
054    }
055
056    @Override
057    public boolean hasEnd() {
058        return true;
059    }
060
061}