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 */ 017package org.apache.logging.log4j.core.helpers; 018 019/** 020 * Boolean helpers. 021 */ 022public class Booleans { 023 024 /** 025 * Returns {@code true} if {@code s} is {@code "true"} (case-insensitive), {@code false} if {@code s} is 026 * {@code "false"} (case-insensitive), and {@code defaultValue} if {@code s} is anything else (including null or 027 * empty). 028 * 029 * @param s The {@code String} to parse into a {@code boolean} 030 * @param defaultValue The default value to use if {@code s} is neither {@code "true"} nor {@code "false"} 031 * @return the {@code boolean} value represented by the argument, or {@code defaultValue}. 032 */ 033 public static boolean parseBoolean(String s, boolean defaultValue) { 034 return "true".equalsIgnoreCase(s) || (defaultValue && !"false".equalsIgnoreCase(s)); 035 } 036 037}