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