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| org.apache.commons.jelly.MapTagSupport |
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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 java.util.HashMap; |
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| 20 | ||
| 21 | import java.util.Map; |
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| 22 | ||
| 23 | /** |
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| 24 | * <p><code>MapTag</code> is a DynaTag implementation which uses a Map |
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| 25 | * to store its attribute values in. Derived tags can then process this |
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| 26 | * Map, change values, add or remove attributes or perform some other form |
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| 27 | * of processsing pretty easily. |
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| 28 | * </p> |
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| 29 | * |
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| 30 | * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
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| 31 | * @version $Revision: 155420 $ |
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| 32 | */ |
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| 33 | ||
| 34 | 117 | public abstract class MapTagSupport extends DynaTagSupport { |
| 35 | ||
| 36 | private Map map; |
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| 37 | ||
| 38 | /** Sets an attribute value of this tag before the tag is invoked |
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| 39 | */ |
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| 40 | public void setAttribute(String name, Object value) { |
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| 41 | 442 | getAttributes().put(name, value); |
| 42 | 442 | } |
| 43 | ||
| 44 | /** |
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| 45 | * Helper method which allows derived tags to access the attributes |
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| 46 | * associated with this tag |
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| 47 | */ |
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| 48 | protected Map getAttributes() { |
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| 49 | 559 | if (map == null) { |
| 50 | 117 | map = createAttributes(); |
| 51 | } |
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| 52 | 559 | return map; |
| 53 | } |
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| 54 | /** |
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| 55 | * A Factory Method which allows derived tags to overload the Map |
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| 56 | * implementation used by this tag |
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| 57 | */ |
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| 58 | ||
| 59 | protected Map createAttributes() { |
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| 60 | 117 | return new HashMap(); |
| 61 | } |
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| 62 | ||
| 63 | } |
| This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |