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.log4j.config; 18 19 /** 20 * Thrown when an error is encountered whilst attempting to set a property 21 * using the {@link PropertySetter} utility class. 22 * 23 * @since 1.1 24 */ 25 public class PropertySetterException extends Exception { 26 private static final long serialVersionUID = -1352613734254235861L; 27 protected Throwable rootCause; 28 29 public PropertySetterException(String msg) { 30 super(msg); 31 } 32 33 public PropertySetterException(Throwable rootCause) { 34 super(); 35 this.rootCause = rootCause; 36 } 37 38 /** 39 * Returns descriptive text on the cause of this exception. 40 */ 41 public String getMessage() { 42 String msg = super.getMessage(); 43 if (msg == null && rootCause != null) { 44 msg = rootCause.getMessage(); 45 } 46 return msg; 47 } 48 }