1 /*
   2  * Copyright (c) 2009, 2020, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6657619
  27  * @modules jdk.naming.dns
  28  * @summary DnsContext.debug is public static mutable (findbugs)
  29  * @author Vincent Ryan
  30  */
  31 
  32 import java.lang.reflect.Field;
  33 import java.lang.reflect.Modifier;
  34 
  35 /*
  36  * Check that the 'debug' class member is no longer publicly accessible.
  37  */
  38 public class CheckAccess {
  39     public static final void main(String[] args) throws Exception {
  40         try {
  41             Class<?> clazz = Class.forName("com.sun.jndi.dns.DnsContext");
  42             Field field = clazz.getField("debug");
  43             if (Modifier.isPublic(field.getModifiers())) {
  44                 throw new Exception(
  45                     "class member 'debug' must not be publicly accessible");
  46             }
  47         } catch (NoSuchFieldException e) {
  48             // 'debug' is not publicly accessible, ignore exception
  49         }
  50     }
  51 }