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| org.apache.commons.jelly.impl.ScriptBlock |
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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 |
|
| 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. |
|
| 13 | * See the License for the specific language governing permissions and |
|
| 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.ArrayList; |
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| 19 | import java.util.Iterator; |
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| 20 | import java.util.List; |
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| 21 | ||
| 22 | import org.apache.commons.jelly.JellyContext; |
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| 23 | import org.apache.commons.jelly.JellyException; |
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| 24 | import org.apache.commons.jelly.JellyTagException; |
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| 25 | import org.apache.commons.jelly.Script; |
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| 26 | import org.apache.commons.jelly.XMLOutput; |
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| 27 | ||
| 28 | /** <p><code>ScriptBlock</code> a block of scripts.</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 | public class ScriptBlock implements Script { |
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| 34 | ||
| 35 | /** The list of scripts */ |
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| 36 | 21203 | private List list = new ArrayList(); |
| 37 | ||
| 38 | /** |
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| 39 | * Create a new instance. |
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| 40 | */ |
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| 41 | 21203 | public ScriptBlock() { |
| 42 | 21203 | } |
| 43 | ||
| 44 | /** |
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| 45 | * @see Object#toString() |
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| 46 | */ |
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| 47 | public String toString() { |
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| 48 | 0 | return super.toString() + "[scripts=" + list + "]"; |
| 49 | } |
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| 50 | ||
| 51 | /** Add a new script to the end of this block */ |
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| 52 | public void addScript(Script script) { |
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| 53 | 48373 | list.add(script); |
| 54 | 48373 | } |
| 55 | ||
| 56 | /** Removes a script from this block */ |
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| 57 | public void removeScript(Script script) { |
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| 58 | 0 | list.remove(script); |
| 59 | 0 | } |
| 60 | ||
| 61 | /** |
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| 62 | * Gets the child scripts that make up this block. This list is live |
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| 63 | * so that it can be modified if requried |
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| 64 | */ |
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| 65 | public List getScriptList() { |
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| 66 | 4290 | return list; |
| 67 | } |
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| 68 | ||
| 69 | // Script interface |
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| 70 | //------------------------------------------------------------------------- |
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| 71 | public Script compile() throws JellyException { |
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| 72 | 21086 | int size = list.size(); |
| 73 | 21086 | if (size == 1) { |
| 74 | 3926 | Script script = (Script) list.get(0); |
| 75 | 3926 | return script.compile(); |
| 76 | } |
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| 77 | // now compile children |
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| 78 | 61516 | for (int i = 0; i < size; i++) { |
| 79 | 44356 | Script script = (Script) list.get(i); |
| 80 | 44356 | list.set(i, script.compile()); |
| 81 | } |
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| 82 | 17160 | return this; |
| 83 | } |
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| 84 | ||
| 85 | /** Evaluates the body of a tag */ |
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| 86 | public void run(JellyContext context, XMLOutput output) throws JellyTagException { |
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| 87 | /* |
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| 88 | for (int i = 0, size = scripts.length; i < size; i++) { |
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| 89 | Script script = scripts[i]; |
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| 90 | script.run(context, output); |
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| 91 | } |
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| 92 | */ |
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| 93 | 5993 | for (Iterator iter = list.iterator(); iter.hasNext(); ) { |
| 94 | 12675 | Script script = (Script) iter.next(); |
| 95 | 12675 | script.run(context, output); |
| 96 | 12129 | } |
| 97 | 5447 | } |
| 98 | ||
| 99 | /** |
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| 100 | * Trim the body of the script. |
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| 101 | * In this case, trim all elements, removing any that are empty text. |
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| 102 | */ |
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| 103 | public void trimWhitespace() { |
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| 104 | 4225 | List list = getScriptList(); |
| 105 | 24258 | for ( int i = list.size() - 1; i >= 0; i-- ) { |
| 106 | 20033 | Script script = (Script) list.get(i); |
| 107 | 20033 | if ( script instanceof TextScript ) { |
| 108 | 11401 | TextScript textScript = (TextScript) script; |
| 109 | 11401 | String text = textScript.getText(); |
| 110 | 11401 | text = text.trim(); |
| 111 | 11401 | if ( text.length() == 0 ) { |
| 112 | 11336 | list.remove(i); |
| 113 | 11336 | } |
| 114 | else { |
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| 115 | 65 | textScript.setText(text); |
| 116 | } |
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| 117 | } |
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| 118 | } |
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| 119 | 4225 | } |
| 120 | } |
| This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |