1 /*
2 * Copyright 2002-2007 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.factory;
18
19 import org.springframework.beans.BeansException;
20
21 /**
22 * Thrown when a bean doesn't match the expected type.
23 *
24 * @author Rod Johnson
25 * @author Juergen Hoeller
26 */
27 public class BeanNotOfRequiredTypeException extends BeansException {
28
29 /** The name of the instance that was of the wrong type */
30 private String beanName;
31
32 /** The required type */
33 private Class requiredType;
34
35 /** The offending type */
36 private Class actualType;
37
38
39 /**
40 * Create a new BeanNotOfRequiredTypeException.
41 * @param beanName the name of the bean requested
42 * @param requiredType the required type
43 * @param actualType the actual type returned, which did not match
44 * the expected type
45 */
46 public BeanNotOfRequiredTypeException(String beanName, Class requiredType, Class actualType) {
47 super("Bean named '" + beanName + "' must be of type [" + requiredType.getName() +
48 "], but was actually of type [" + actualType.getName() + "]");
49 this.beanName = beanName;
50 this.requiredType = requiredType;
51 this.actualType = actualType;
52 }
53
54
55 /**
56 * Return the name of the instance that was of the wrong type.
57 */
58 public String getBeanName() {
59 return this.beanName;
60 }
61
62 /**
63 * Return the expected type for the bean.
64 */
65 public Class getRequiredType() {
66 return this.requiredType;
67 }
68
69 /**
70 * Return the actual type of the instance found.
71 */
72 public Class getActualType() {
73 return this.actualType;
74 }
75
76 }
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