Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
BeanValidatorWrapper |
|
| 2.5;2.5 |
1 | // Copyright 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.form.validator; | |
16 | ||
17 | import org.apache.hivemind.ApplicationRuntimeException; | |
18 | import org.apache.hivemind.util.Defense; | |
19 | import org.apache.tapestry.IComponent; | |
20 | ||
21 | /** | |
22 | * Implementation of {@link org.apache.tapestry.form.validator.Validator} that delegates to a | |
23 | * managed bean obtained from a component. | |
24 | * | |
25 | * @author Howard Lewis Ship | |
26 | * @since 4.0 | |
27 | */ | |
28 | public class BeanValidatorWrapper extends AbstractValidatorWrapper | |
29 | { | |
30 | private final IComponent _component; | |
31 | ||
32 | private final String _name; | |
33 | ||
34 | public BeanValidatorWrapper(IComponent component, String name) | |
35 | 0 | { |
36 | 0 | Defense.notNull(component, "component"); |
37 | 0 | Defense.notNull(name, "name"); |
38 | ||
39 | 0 | _component = component; |
40 | 0 | _name = name; |
41 | 0 | } |
42 | ||
43 | protected Validator getDelegate() | |
44 | { | |
45 | 0 | Object bean = _component.getBeans().getBean(_name); |
46 | ||
47 | 0 | if (bean instanceof Validator) |
48 | 0 | return (Validator) bean; |
49 | ||
50 | 0 | throw new ApplicationRuntimeException(ValidatorMessages.beanNotValidator(_name), bean, |
51 | null, null); | |
52 | } | |
53 | ||
54 | } |