| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.shiro.web.tags; |
| |
| import javax.servlet.jsp.JspException; |
| import javax.servlet.jsp.tagext.TagSupport; |
| |
| /** |
| * @since 0.1 |
| */ |
| public abstract class PermissionTag extends SecureTag { |
| |
| //TODO - complete JavaDoc |
| |
| private String name = null; |
| |
| public PermissionTag() { |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| protected void verifyAttributes() throws JspException { |
| String permission = getName(); |
| |
| if (permission == null || permission.length() == 0) { |
| String msg = "The 'name' tag attribute must be set."; |
| throw new JspException(msg); |
| } |
| } |
| |
| public int onDoStartTag() throws JspException { |
| |
| String p = getName(); |
| |
| boolean show = showTagBody(p); |
| if (show) { |
| return TagSupport.EVAL_BODY_INCLUDE; |
| } else { |
| return TagSupport.SKIP_BODY; |
| } |
| } |
| |
| protected boolean isPermitted(String p) { |
| return getSubject() != null && getSubject().isPermitted(p); |
| } |
| |
| protected abstract boolean showTagBody(String p); |
| |
| } |