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1   /**
2    * Logback: the reliable, generic, fast and flexible logging framework.
3    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
4    *
5    * This program and the accompanying materials are dual-licensed under
6    * either the terms of the Eclipse Public License v1.0 as published by
7    * the Eclipse Foundation
8    *
9    *   or (per the licensee's choosing)
10   *
11   * under the terms of the GNU Lesser General Public License version 2.1
12   * as published by the Free Software Foundation.
13   */
14  package ch.qos.logback.classic.spi;
15  
16  /**
17   * This class provides information about the runtime platform.
18   *
19   * @author Ceki Gulcu
20   * */
21  public class PlatformInfo {
22  
23      private static final int UNINITIALIZED = -1;
24  
25      private static int hasJMXObjectName = UNINITIALIZED;
26  
27      public static boolean hasJMXObjectName() {
28          if (hasJMXObjectName == UNINITIALIZED) {
29              try {
30                  Class.forName("javax.management.ObjectName");
31                  hasJMXObjectName = 1;
32              } catch (Throwable e) {
33                  hasJMXObjectName = 0;
34              }
35          }
36          return (hasJMXObjectName == 1);
37      }
38  }