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org.apache.commons.jelly.tags.util.FileTag |
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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.tags.util; |
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18 | ||
19 | import java.io.File; |
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20 | ||
21 | import org.apache.commons.jelly.JellyTagException; |
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22 | import org.apache.commons.jelly.MissingAttributeException; |
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23 | import org.apache.commons.jelly.TagSupport; |
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24 | import org.apache.commons.jelly.XMLOutput; |
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25 | ||
26 | /** |
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27 | * A tag which creates a {@link File} from a given name. |
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28 | * |
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29 | * @author <a href="mailto:dion@apache.org">dIon Gillard</a> |
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30 | * @version $Revision: 1.6 $ |
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31 | */ |
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32 | 1 | public class FileTag extends TagSupport { |
33 | ||
34 | /** The file to place into the context */ |
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35 | private String name; |
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36 | ||
37 | /** The variable name to place the file into */ |
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38 | private String var; |
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39 | ||
40 | // Tag interface |
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41 | //------------------------------------------------------------------------- |
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42 | public void doTag(final XMLOutput output) throws MissingAttributeException, JellyTagException { |
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43 | 1 | boolean available = false; |
44 | ||
45 | 1 | if (name == null) { |
46 | 0 | throw new MissingAttributeException("name must be specified"); |
47 | } |
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48 | ||
49 | 1 | if (var == null) { |
50 | 0 | throw new MissingAttributeException("var must be specified"); |
51 | } |
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52 | ||
53 | 1 | File newFile = new File(name); |
54 | 1 | getContext().setVariable(var, newFile); |
55 | 1 | } |
56 | ||
57 | /** |
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58 | * Name of the file to be placed into the context |
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59 | * @param name The fileName to set |
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60 | */ |
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61 | public void setName(String name) { |
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62 | 1 | this.name = name; |
63 | 1 | } |
64 | ||
65 | /** |
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66 | * Name of the variable to contain the file |
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67 | * @param var The var to set |
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68 | */ |
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69 | public void setVar(String var) { |
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70 | 1 | this.var = class="keyword">var; |
71 | 1 | } |
72 | ||
73 | } |
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