001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache license, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the license for the specific language governing permissions and 015 * limitations under the license. 016 */ 017 018package org.apache.logging.log4j.message; 019 020import java.util.Map; 021 022import org.apache.logging.log4j.util.PerformanceSensitive; 023 024/** 025 * A {@link StringMapMessage} typed to {@link String}-only values. This is like the MapMessage class before 2.9. 026 * 027 * @since 2.9 028 */ 029@PerformanceSensitive("allocation") 030@AsynchronouslyFormattable 031public class StringMapMessage extends MapMessage<StringMapMessage, String> { 032 033 private static final long serialVersionUID = 1L; 034 035 /** 036 * Constructs a new instance. 037 */ 038 public StringMapMessage() { 039 super(); 040 } 041 042 /** 043 * Constructs a new instance. 044 * 045 * @param initialCapacity 046 * the initial capacity. 047 */ 048 public StringMapMessage(final int initialCapacity) { 049 super(initialCapacity); 050 } 051 052 /** 053 * Constructs a new instance based on an existing Map. 054 * 055 * @param map 056 * The Map. 057 */ 058 public StringMapMessage(final Map<String, String> map) { 059 super(map); 060 } 061 062 /** 063 * Constructs a new instance based on an existing Map. 064 * @param map The Map. 065 * @return A new StringMapMessage 066 */ 067 @Override 068 public StringMapMessage newInstance(final Map<String, String> map) { 069 return new StringMapMessage(map); 070 } 071}