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org.apache.commons.jelly.DynaBeanTagSupport |
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1 | /* |
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2 | * Copyright 2002,2004 The Apache Software Foundation. |
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3 | * |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * |
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8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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9 | * |
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10 | * Unless required by applicable law or agreed to in writing, software |
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11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 | * See the License for the specific language governing permissions and |
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14 | * limitations under the License. |
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15 | */ |
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16 | ||
17 | package org.apache.commons.jelly; |
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18 | ||
19 | import org.apache.commons.beanutils.DynaBean; |
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20 | import org.apache.commons.beanutils.DynaProperty; |
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21 | ||
22 | /** |
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23 | * <p><code>DynaBeanTag</code> is a DynaTag implementation which uses a DynaBean |
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24 | * to store its attribute values in. Derived tags can then process this |
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25 | * DynaBean in any way it wishes. |
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26 | * </p> |
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27 | * |
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28 | * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
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29 | * @version $Revision: 1.3 $ |
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30 | */ |
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31 | ||
32 | 0 | public abstract class DynaBeanTagSupport extends DynaTagSupport { |
33 | ||
34 | /** the DynaBean which is used to store the attributes of this tag. */ |
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35 | private DynaBean dynaBean; |
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36 | ||
37 | 0 | public DynaBeanTagSupport() { |
38 | 0 | } |
39 | ||
40 | 0 | public DynaBeanTagSupport(DynaBean dynaBean) { |
41 | 0 | this.dynaBean = dynaBean; |
42 | 0 | } |
43 | ||
44 | /** Sets the context in which the tag will be run. */ |
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45 | public void setContext(JellyContext context) throws JellyTagException { |
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46 | 0 | this.context = context; |
47 | 0 | beforeSetAttributes(); |
48 | 0 | } |
49 | ||
50 | /** Sets an attribute value of this tag before the tag is invoked |
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51 | */ |
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52 | public void setAttribute(String name, Object value) throws JellyTagException { |
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53 | 0 | getDynaBean().set(name, value); |
54 | 0 | } |
55 | ||
56 | /** |
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57 | * @return the type of the given attribute. By default just return |
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58 | * Object.class if this is not known. |
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59 | */ |
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60 | public Class getAttributeType(String name) throws JellyTagException { |
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61 | 0 | DynaProperty property = getDynaBean().getDynaClass().getDynaProperty(name); |
62 | 0 | if (property != null) { |
63 | 0 | return property.getType(); |
64 | } |
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65 | 0 | return Object.class; |
66 | } |
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67 | ||
68 | /** |
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69 | * @return the DynaBean which is used to store the |
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70 | * attributes of this tag |
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71 | */ |
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72 | public DynaBean getDynaBean() { |
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73 | 0 | return dynaBean; |
74 | } |
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75 | ||
76 | /** |
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77 | * Sets the DynaBean which is used to store the |
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78 | * attributes of this tag |
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79 | */ |
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80 | public void setDynaBean(DynaBean dynaBean) { |
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81 | 0 | this.dynaBean = dynaBean; |
82 | 0 | } |
83 | ||
84 | /** |
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85 | * Callback to allow processing to occur before the attributes are about to be set |
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86 | */ |
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87 | public void beforeSetAttributes() throws JellyTagException { |
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88 | 0 | } |
89 | ||
90 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |