1 /** 2 * Copyright 2010-2014 The Kuali Foundation 3 * 4 * Licensed under the Educational Community License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.opensource.org/licenses/ecl2.php 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.kuali.common.util.log4j.model; 17 18 /** 19 * @deprecated 20 */ 21 @Deprecated 22 public enum Value { 23 24 ALL, TRACE, DEBUG, INFO, WARN, ERROR, FATAL, OFF, NULL; 25 // Log4j only supports "null" (lowercase) as a text value inside log4j.xml 26 // "NULL" (uppercase) is not supported and causes log4j to emit a WARN level logging message as an unknown level. 27 // The best solution would be to get log4j to recognize "NULL" as a synonym for "null" 28 // Failing that, another solution would be to get JAXB to translate "NULL" to "null" and vice versa when writing/reading xml. 29 // What happens at the moment, is we detect "NULL" and set it to null when creating xml from an object. 30 // This causes JAXB to omit the "value" attribute entirely from the xml. 31 // When going the other way (ie creating an object from xml) "NULL" is the default value if the "value" attribute is not present. 32 // Thus we have a method that works in both directions for dealing with "NULL" vs "null" 33 // Granted, this is a tad bit crazy and supremely brittle... 34 35 }