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org.apache.commons.jelly.impl.CompositeTextScriptBlock |
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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 | package org.apache.commons.jelly.impl; |
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17 | ||
18 | import java.util.List; |
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19 | ||
20 | import org.apache.commons.jelly.Script; |
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21 | ||
22 | ||
23 | /** |
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24 | * <p><code>CompositeTextScriptBlock</code> represents a text body of a |
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25 | * a tag which contains expressions, so that whitespace trimming |
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26 | * can be handled differently.</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: 155420 $ |
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30 | */ |
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31 | public class CompositeTextScriptBlock extends ScriptBlock { |
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32 | ||
33 | /** |
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34 | * Create an instance. |
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35 | */ |
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36 | 208 | public CompositeTextScriptBlock() { |
37 | 208 | } |
38 | ||
39 | ||
40 | /** |
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41 | * Trim the body of the script. |
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42 | * In this case, trim the whitespace from the start of the first element |
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43 | * and from the end of the last element. |
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44 | */ |
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45 | public void trimWhitespace() { |
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46 | 65 | List list = getScriptList(); |
47 | 65 | int size = list.size(); |
48 | 65 | if ( size > 0 ) { |
49 | 65 | Script script = (Script) list.get(0); |
50 | 65 | if ( script instanceof TextScript ) { |
51 | 65 | TextScript textScript = (TextScript) script; |
52 | 65 | textScript.trimStartWhitespace(); |
53 | } |
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54 | 65 | if ( size > 1 ) { |
55 | 65 | script = (Script) list.get(size - 1); |
56 | 65 | if ( script instanceof TextScript ) { |
57 | 65 | TextScript textScript = (TextScript) script; |
58 | 65 | textScript.trimEndWhitespace(); |
59 | } |
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60 | } |
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61 | } |
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62 | 65 | } |
63 | ||
64 | ||
65 | } |
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