001/* 002 * Copyright 2002-2012 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.beans; 018 019import org.springframework.core.NestedRuntimeException; 020import org.springframework.util.ObjectUtils; 021 022/** 023 * Abstract superclass for all exceptions thrown in the beans package 024 * and subpackages. 025 * 026 * <p>Note that this is a runtime (unchecked) exception. Beans exceptions 027 * are usually fatal; there is no reason for them to be checked. 028 * 029 * @author Rod Johnson 030 * @author Juergen Hoeller 031 */ 032@SuppressWarnings("serial") 033public abstract class BeansException extends NestedRuntimeException { 034 035 /** 036 * Create a new BeansException with the specified message. 037 * @param msg the detail message 038 */ 039 public BeansException(String msg) { 040 super(msg); 041 } 042 043 /** 044 * Create a new BeansException with the specified message 045 * and root cause. 046 * @param msg the detail message 047 * @param cause the root cause 048 */ 049 public BeansException(String msg, Throwable cause) { 050 super(msg, cause); 051 } 052 053 054 @Override 055 public boolean equals(Object other) { 056 if (this == other) { 057 return true; 058 } 059 if (!(other instanceof BeansException)) { 060 return false; 061 } 062 BeansException otherBe = (BeansException) other; 063 return (getMessage().equals(otherBe.getMessage()) && 064 ObjectUtils.nullSafeEquals(getCause(), otherBe.getCause())); 065 } 066 067 @Override 068 public int hashCode() { 069 return getMessage().hashCode(); 070 } 071 072}