1 package org.apache.commons.jcs3.utils.config; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 /** 23 * This class is based on the log4j class org.apache.log4j.config.PropertySetter that was made by 24 * Anders Kristensen 25 * <p> 26 * Thrown when an error is encountered whilst attempting to set a property using the 27 * {@link PropertySetter}utility class. 28 */ 29 public class PropertySetterException 30 extends Exception 31 { 32 /** DOn't change */ 33 private static final long serialVersionUID = -210271658004609028L; 34 35 /** Description of the Field */ 36 private final Throwable rootCause; 37 38 /** 39 * Constructor for the PropertySetterException object 40 * <p> 41 * @param msg 42 */ 43 public PropertySetterException( final String msg ) 44 { 45 super( msg ); 46 this.rootCause = null; 47 } 48 49 /** 50 * Constructor for the PropertySetterException object 51 * <p> 52 * @param rootCause 53 */ 54 public PropertySetterException( final Throwable rootCause ) 55 { 56 this.rootCause = rootCause; 57 } 58 59 /** 60 * Returns descriptive text on the cause of this exception. 61 * <p> 62 * @return The message value 63 */ 64 @Override 65 public String getMessage() 66 { 67 String msg = super.getMessage(); 68 if ( msg == null && rootCause != null ) 69 { 70 msg = rootCause.getMessage(); 71 } 72 return msg; 73 } 74 }