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 18 package org.apache.log4j.config; 19 20 /** 21 * Thrown when an error is encountered whilst attempting to set a property 22 * using the {@link PropertySetter} utility class. 23 * 24 * @author Anders Kristensen 25 * @since 1.1 26 */ 27 public class PropertySetterException extends Exception { 28 private static final long serialVersionUID = -1352613734254235861L; 29 protected Throwable rootCause; 30 31 public 32 PropertySetterException(String msg) { 33 super(msg); 34 } 35 36 public 37 PropertySetterException(Throwable rootCause) 38 { 39 super(); 40 this.rootCause = rootCause; 41 } 42 43 /** 44 Returns descriptive text on the cause of this exception. 45 */ 46 public 47 String getMessage() { 48 String msg = super.getMessage(); 49 if (msg == null && rootCause != null) { 50 msg = rootCause.getMessage(); 51 } 52 return msg; 53 } 54 }