Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
BeanValidatorWrapper |
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| 2.5;2.5 |
1 | // Copyright 2005 The Apache Software Foundation |
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2 | // |
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3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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4 | // you may not use this file except in compliance with the License. |
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5 | // You may obtain a copy of the License at |
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6 | // |
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7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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8 | // |
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9 | // Unless required by applicable law or agreed to in writing, software |
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10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 | // See the License for the specific language governing permissions and |
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13 | // limitations under the License. |
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14 | ||
15 | package org.apache.tapestry.form.validator; |
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16 | ||
17 | import org.apache.hivemind.ApplicationRuntimeException; |
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18 | import org.apache.hivemind.util.Defense; |
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19 | import org.apache.tapestry.IComponent; |
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20 | ||
21 | /** |
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22 | * Implementation of {@link org.apache.tapestry.form.validator.Validator} that delegates to a |
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23 | * managed bean obtained from a component. |
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24 | * |
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25 | * @author Howard Lewis Ship |
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26 | * @since 4.0 |
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27 | */ |
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28 | public class BeanValidatorWrapper extends AbstractValidatorWrapper |
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29 | { |
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30 | private final IComponent _component; |
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31 | ||
32 | private final String _name; |
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33 | ||
34 | public BeanValidatorWrapper(IComponent component, String name) |
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35 | 2 | { |
36 | 2 | Defense.notNull(component, "component"); |
37 | 2 | Defense.notNull(name, "name"); |
38 | ||
39 | 2 | _component = component; |
40 | 2 | _name = name; |
41 | 2 | } |
42 | ||
43 | protected Validator getDelegate() |
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44 | { |
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45 | 2 | Object bean = _component.getBeans().getBean(_name); |
46 | ||
47 | 2 | if (bean instanceof Validator) |
48 | 1 | return (Validator) bean; |
49 | ||
50 | 1 | throw new ApplicationRuntimeException(ValidatorMessages.beanNotValidator(_name), bean, |
51 | null, null); |
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52 | } |
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53 | ||
54 | } |