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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.struts2.jasper.security;
18  
19  /***
20   * Util class for Security related operations.
21   *
22   * @author Jean-Francois Arcand
23   */
24  
25  public final class SecurityUtil {
26  
27      private static boolean packageDefinitionEnabled =
28              System.getProperty("package.definition") == null ? false : true;
29  
30      /***
31       * Return the <code>SecurityManager</code> only if Security is enabled AND
32       * package protection mechanism is enabled.
33       */
34      public static boolean isPackageProtectionEnabled() {
35          if (packageDefinitionEnabled && System.getSecurityManager() != null) {
36              return true;
37          }
38          return false;
39      }
40  
41  
42  }