1 /*
2 * Copyright 2002-2008 the original author or authors.
3 *
4 * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
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
17 package org.springframework.beans;
18
19 import org.springframework.core.NestedRuntimeException;
20 import org.springframework.util.ObjectUtils;
21
22 /**
23 * Abstract superclass for all exceptions thrown in the beans package
24 * and subpackages.
25 *
26 * <p>Note that this is a runtime (unchecked) exception. Beans exceptions
27 * are usually fatal; there is no reason for them to be checked.
28 *
29 * @author Rod Johnson
30 * @author Juergen Hoeller
31 */
32 public abstract class BeansException extends NestedRuntimeException {
33
34 /**
35 * Create a new BeansException with the specified message.
36 * @param msg the detail message
37 */
38 public BeansException(String msg) {
39 super(msg);
40 }
41
42 /**
43 * Create a new BeansException with the specified message
44 * and root cause.
45 * @param msg the detail message
46 * @param cause the root cause
47 */
48 public BeansException(String msg, Throwable cause) {
49 super(msg, cause);
50 }
51
52
53 public boolean equals(Object other) {
54 if (this == other) {
55 return true;
56 }
57 if (!(other instanceof BeansException)) {
58 return false;
59 }
60 BeansException otherBe = (BeansException) other;
61 return (getMessage().equals(otherBe.getMessage()) &&
62 ObjectUtils.nullSafeEquals(getCause(), otherBe.getCause()));
63 }
64
65 public int hashCode() {
66 return getMessage().hashCode();
67 }
68
69 }