001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.shiro.web.tags;
020
021import javax.servlet.jsp.JspException;
022import javax.servlet.jsp.tagext.TagSupport;
023
024/**
025 * @since 0.1
026 */
027public abstract class RoleTag extends SecureTag {
028
029    private String name;
030
031    public RoleTag() {
032    }
033
034    public String getName() {
035        return name;
036    }
037
038    public void setName(String name) {
039        this.name = name;
040    }
041
042    public int onDoStartTag() throws JspException {
043        boolean show = showTagBody(getName());
044        if (show) {
045            return TagSupport.EVAL_BODY_INCLUDE;
046        } else {
047            return TagSupport.SKIP_BODY;
048        }
049    }
050
051    protected abstract boolean showTagBody(String roleName);
052
053}