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.core.util; 18 19 /** 20 * Boolean helpers. 21 */ 22 public final class Booleans { 23 24 private Booleans() { 25 } 26 27 /** 28 * Returns {@code true} if {@code s} is {@code "true"} (case-insensitive), {@code false} if {@code s} is 29 * {@code "false"} (case-insensitive), and {@code defaultValue} if {@code s} is anything else (including null or 30 * empty). 31 * 32 * @param s The {@code String} to parse into a {@code boolean} 33 * @param defaultValue The default value to use if {@code s} is neither {@code "true"} nor {@code "false"} 34 * @return the {@code boolean} value represented by the argument, or {@code defaultValue}. 35 */ 36 public static boolean parseBoolean(final String s, final boolean defaultValue) { 37 return "true".equalsIgnoreCase(s) || (defaultValue && !"false".equalsIgnoreCase(s)); 38 } 39 40 }