001/* 002 * Logback: the reliable, generic, fast and flexible logging framework. 003 * Copyright (C) 1999-2024, QOS.ch. All rights reserved. 004 * 005 * This program and the accompanying materials are dual-licensed under 006 * either the terms of the Eclipse Public License v1.0 as published by 007 * the Eclipse Foundation 008 * 009 * or (per the licensee's choosing) 010 * 011 * under the terms of the GNU Lesser General Public License version 2.1 012 * as published by the Free Software Foundation. 013 */ 014 015package ch.qos.logback.classic.util; 016 017import ch.qos.logback.classic.Level; 018import ch.qos.logback.core.joran.JoranConstants; 019import ch.qos.logback.core.util.OptionHelper; 020 021import static ch.qos.logback.core.joran.JoranConstants.NULL; 022 023/** 024 * 025 * Utility methods for transforming string values to Level. 026 * 027 * @since 1.5.1 028 */ 029public class LevelUtil { 030 031 032 public static boolean isInheritedLevelString(String levelStr) { 033 if (JoranConstants.INHERITED.equalsIgnoreCase(levelStr) || NULL.equalsIgnoreCase(levelStr)) { 034 return true; 035 } else 036 return false; 037 } 038 039 public static Level levelStringToLevel(String levelStr) { 040 if (!OptionHelper.isNullOrEmptyOrAllSpaces(levelStr)) { 041 if (isInheritedLevelString(levelStr)) { 042 return null; 043 } else { 044 Level level = Level.toLevel(levelStr); 045 return level; 046 } 047 } 048 return null; 049 } 050 051}