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 /**
21 * Helper class for closing resources.
22 */
23 public final class Closer {
24
25 private Closer() {
26 }
27
28 /**
29 * Closes an AutoCloseable or ignores if {@code null}.
30 *
31 * @param closeable the resource to close; may be null
32 * @throws Exception if the resource cannot be closed
33 * @since 2.8
34 */
35 public static void close(final AutoCloseable closeable) throws Exception {
36 if (closeable != null) {
37 closeable.close();
38 }
39 }
40
41 /**
42 * Closes an AutoCloseable and returns {@code true} if it closed without exception.
43 *
44 * @param closeable the resource to close; may be null
45 * @return true if resource was closed successfully, or false if an exception was thrown
46 */
47 public static boolean closeSilently(final AutoCloseable closeable) {
48 try {
49 close(closeable);
50 return true;
51 } catch (final Exception ignored) {
52 return false;
53 }
54 }
55
56 }