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 package org.apache.logging.log4j.util; 18 19 import java.util.Map.Entry; 20 21 /** 22 * <em>Consider this class private.</em> 23 */ 24 public class StringBuilders { 25 26 /** 27 * Appends in the following format: double quoted value. 28 * 29 * @param sb 30 * a string builder 31 * @param value 32 * a value 33 * @return {@code "value"} 34 */ 35 public static StringBuilder appendDqValue(StringBuilder sb, Object value) { 36 return sb.append(Chars.DQUOTE).append(value).append(Chars.DQUOTE); 37 } 38 39 /** 40 * Appends in the following format: key=double quoted value. 41 * 42 * @param sb 43 * a string builder 44 * @param entry 45 * a map entry 46 * @return {@code key="value"} 47 */ 48 public static StringBuilder appendKeyDqValue(StringBuilder sb, Entry<String, String> entry) { 49 return appendKeyDqValue(sb, entry.getKey(), entry.getValue()); 50 } 51 52 /** 53 * Appends in the following format: key=double quoted value. 54 * 55 * @param sb 56 * a string builder 57 * @param key 58 * a key 59 * @param value 60 * a value 61 * @return {@code key="value"} 62 */ 63 public static StringBuilder appendKeyDqValue(StringBuilder sb, String key, Object value) { 64 return sb.append(key).append(Chars.EQ).append(Chars.DQUOTE).append(value).append(Chars.DQUOTE); 65 } 66 67 }