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Java > Open Source Codes > org > apache > tapestry > bean > AbstractBeanInitializer


1 // Copyright 2004, 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.tapestry.bean;
16
17 import org.apache.hivemind.ApplicationRuntimeException;
18 import org.apache.hivemind.impl.BaseLocatable;
19 import org.apache.hivemind.util.PropertyUtils;
20 import org.apache.tapestry.Tapestry;
21
22 /**
23  * Base class for initializing a property of a JavaBean.
24  *
25  * @author Howard Lewis Ship
26  * @since 1.0.5
27  */
28
29 abstract public class AbstractBeanInitializer extends BaseLocatable implements IBeanInitializer
30 {
31     protected String JavaDoc _propertyName;
32
33     public String JavaDoc getPropertyName()
34     {
35         return _propertyName;
36     }
37
38     /** @since 3.0 * */
39
40     public void setPropertyName(String JavaDoc propertyName)
41     {
42         _propertyName = propertyName;
43     }
44
45     protected void setBeanProperty(Object JavaDoc bean, Object JavaDoc value)
46     {
47         try
48         {
49             PropertyUtils.write(bean, _propertyName, value);
50         }
51         catch (ApplicationRuntimeException ex)
52         {
53             String JavaDoc message = Tapestry.format(
54                     "AbstractBeanInitializer.unable-to-set-property",
55                     _propertyName,
56                     bean,
57                     value);
58
59             throw new ApplicationRuntimeException(message, getLocation(), ex);
60         }
61
62     }
63 }
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