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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  
18  package org.apache.logging.log4j.core.util;
19  
20  import javax.naming.Context;
21  import javax.naming.NamingException;
22  
23  /**
24   * Helper class for closing JNDI resources.
25   * 
26   * This class is separate from {@link Closer} because JNDI is not in Android.
27   */
28  public class JndiCloser {
29  
30      /**
31       * Closes the specified {@code Context}.
32       *
33       * @param context the JNDI Context to close, may be {@code null}
34       * @throws NamingException if a problem occurred closing the specified JNDI Context
35       */
36      public static void close(final Context context) throws NamingException {
37          if (context != null) {
38              context.close();
39          }
40      }
41  
42      /**
43       * Closes the specified {@code Context}, ignoring any exceptions thrown by the close operation.
44       *
45       * @param context the JNDI Context to close, may be {@code null}
46       */
47      public static void closeSilently(final Context context) {
48          try {
49              close(context);
50          } catch (final NamingException ignored) {
51              // ignored
52          }
53      }
54  
55  }