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.message;
19
20 import java.util.Map;
21
22 import org.apache.logging.log4j.util.PerformanceSensitive;
23
24 /**
25 * A {@link StringMapMessage} typed to {@link String}-only values. This is like the MapMessage class before 2.9.
26 *
27 * @since 2.9
28 */
29 @PerformanceSensitive("allocation")
30 @AsynchronouslyFormattable
31 public class StringMapMessage extends MapMessage<StringMapMessage, String> {
32
33 private static final long serialVersionUID = 1L;
34
35 /**
36 * Constructs a new instance.
37 */
38 public StringMapMessage() {
39 super();
40 }
41
42 /**
43 * Constructs a new instance.
44 *
45 * @param initialCapacity
46 * the initial capacity.
47 */
48 public StringMapMessage(final int initialCapacity) {
49 super(initialCapacity);
50 }
51
52 /**
53 * Constructs a new instance based on an existing Map.
54 *
55 * @param map
56 * The Map.
57 */
58 public StringMapMessage(final Map<String, String> map) {
59 super(map);
60 }
61
62 /**
63 * Constructs a new instance based on an existing Map.
64 * @param map The Map.
65 * @return A new StringMapMessage
66 */
67 @Override
68 public StringMapMessage newInstance(final Map<String, String> map) {
69 return new StringMapMessage(map);
70 }
71 }