Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
PersistAnnotationWorker |
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| 1.0;1 |
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.annotations; |
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16 | ||
17 | import java.lang.reflect.Method; |
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18 | ||
19 | import org.apache.hivemind.Location; |
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20 | import org.apache.tapestry.enhance.EnhancementOperation; |
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21 | import org.apache.tapestry.spec.IComponentSpecification; |
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22 | import org.apache.tapestry.spec.IPropertySpecification; |
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23 | import org.apache.tapestry.spec.PropertySpecification; |
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24 | ||
25 | /** |
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26 | * Allow a property to be marked as persistent, and (optionally) allows a strategy to be set. Works |
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27 | * by adding a new {@link org.apache.tapestry.spec.IPropertySpecification} to the |
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28 | * {@link org.apache.tapestry.spec.IComponentSpecification}. |
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29 | * <p> |
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30 | * The {@link org.apache.tapestry.annotations.Persist} annotation may <em>optionally</em> by |
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31 | * accompanied by a {@link org.apache.tapestry.annotations.InitialValue} annotation; this sets the |
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32 | * initial value, as a binding reference, used to initialize and re-initialize the property. |
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33 | * |
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34 | * @author Howard M. Lewis Ship |
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35 | * @since 4.0 |
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36 | * @see org.apache.tapestry.annotations.Persist |
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37 | */ |
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38 | 3 | public class PersistAnnotationWorker implements MethodAnnotationEnhancementWorker |
39 | { |
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40 | public void performEnhancement(EnhancementOperation op, IComponentSpecification spec, |
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41 | Method method, Location location) |
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42 | { |
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43 | 3 | Persist p = method.getAnnotation(Persist.class); |
44 | 3 | InitialValue iv = method.getAnnotation(InitialValue.class); |
45 | ||
46 | 3 | String propertyName = AnnotationUtils.getPropertyName(method); |
47 | 3 | String stategy = p.value(); |
48 | ||
49 | 3 | IPropertySpecification pspec = new PropertySpecification(); |
50 | ||
51 | 3 | pspec.setName(propertyName); |
52 | 3 | pspec.setPersistence(stategy); |
53 | 3 | pspec.setLocation(location); |
54 | 3 | pspec.setInitialValue(iv == null ? null : iv.value()); |
55 | ||
56 | 3 | spec.addPropertySpecification(pspec); |
57 | 3 | } |
58 | ||
59 | } |