1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.shiro.web.tags;
20
21 import org.apache.shiro.subject.Subject;
22
23
24 /**
25 * Displays body content if the current user has any of the roles specified.
26 *
27 * @since 0.2
28 */
29 public class HasAnyRolesTag extends RoleTag {
30
31 //TODO - complete JavaDoc
32
33 // Delimeter that separates role names in tag attribute
34 private static final String ROLE_NAMES_DELIMETER = ",";
35
36 public HasAnyRolesTag() {
37 }
38
39 protected boolean showTagBody(String roleNames) {
40 boolean hasAnyRole = false;
41
42 Subject subject = getSubject();
43
44 if (subject != null) {
45
46 // Iterate through roles and check to see if the user has one of the roles
47 for (String role : roleNames.split(ROLE_NAMES_DELIMETER)) {
48
49 if (subject.hasRole(role.trim())) {
50 hasAnyRole = true;
51 break;
52 }
53
54 }
55
56 }
57
58 return hasAnyRole;
59 }
60
61 }