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| 3 | <head>
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| 4 | <meta http-equiv="Content-Language" content="en-us">
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| 5 | <title>PatternSet Type</title>
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| 6 | <link rel="stylesheet" type="text/css" href="../stylesheets/antmanual.css">
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| 7 | </head>
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| 8 |
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| 9 | <body>
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| 10 |
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| 11 | <h2><a name="patternset">PatternSet</a></h2>
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| 12 | <p><a href="../dirtasks.html#patterns">Patterns</a> can be grouped to
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| 13 | sets and later be referenced by their <code>id</code> attribute. They
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| 14 | are defined via a <code>patternset</code> element, which can appear
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| 15 | nested into a <a href="fileset.html">FileSet</a> or a directory-based
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| 16 | task that constitutes an implicit FileSet. In addition,
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| 17 | <code>patternset</code>s can be defined as a stand alone element at
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| 18 | the same level as <code>target</code> — i.e., as children of
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| 19 | <code>project</code> as well as as children of
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| 20 | <code>target</code>.</p> <p>Patterns can be specified by nested
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| 21 | <code><include></code>, or <code><exclude></code> elements
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| 22 | or the following attributes.</p>
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| 23 | <table border="1" cellpadding="2" cellspacing="0">
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| 24 | <tr>
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| 25 | <td valign="top"><b>Attribute</b></td>
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| 26 | <td valign="top"><b>Description</b></td>
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| 27 | </tr>
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| 28 | <tr>
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| 29 | <td valign="top">includes</td>
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| 30 | <td valign="top">comma- or space-separated list of patterns of files that must be
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| 31 | included. All files are included when omitted.</td>
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| 32 | </tr>
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| 33 | <tr>
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| 34 | <td valign="top">includesfile</td>
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| 35 | <td valign="top">the name of a file; each line of this file is
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| 36 | taken to be an include pattern. You can specify more than one
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| 37 | include file by using a nested includesfile elements.</td>
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| 38 | </tr>
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| 39 | <tr>
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| 40 | <td valign="top">excludes</td>
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| 41 | <td valign="top">comma- or space-separated list of patterns of files that must be
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| 42 | excluded; no files (except default excludes) are excluded when omitted.</td>
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| 43 | </tr>
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| 44 | <tr>
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| 45 | <td valign="top">excludesfile</td>
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| 46 | <td valign="top">the name of a file; each line of this file is
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| 47 | taken to be an exclude pattern. You can specify more than one
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| 48 | exclude file by using a nested excludesfile elements.</td>
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| 49 | </tr>
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| 50 | </table>
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| 51 | <h3>Parameters specified as nested elements</h3>
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| 52 | <h4><code>include</code> and <code>exclude</code></h4>
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| 53 | <p>Each such element defines a single pattern for files to include or
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| 54 | exclude.</p>
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| 55 | <table border="1" cellpadding="2" cellspacing="0">
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| 56 | <tr>
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| 57 | <td valign="top"><b>Attribute</b></td>
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| 58 | <td valign="top"><b>Description</b></td>
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| 59 | <td align="center" valign="top"><b>Required</b></td>
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| 60 | </tr>
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| 61 | <tr>
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| 62 | <td valign="top">name</td>
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| 63 | <td valign="top">the <a href="../dirtasks.html#patterns">pattern</a>
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| 64 | to in/exclude.</td>
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| 65 | <td align="center" valign="top">Yes</td>
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| 66 | </tr>
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| 67 | <tr>
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| 68 | <td valign="top">if</td>
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| 69 | <td valign="top">Only use this pattern if the named property is set.</td>
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| 70 | <td align="center" valign="top">No</td>
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| 71 | </tr>
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| 72 | <tr>
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| 73 | <td valign="top">unless</td>
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| 74 | <td valign="top">Only use this pattern if the named property is
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| 75 | <b>not</b> set.</td>
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| 76 | <td align="center" valign="top">No</td>
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| 77 | </tr>
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| 78 | </table>
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| 79 | <h4><code>includesfile</code> and <code>excludesfile</code></h4>
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| 80 | <p>If you want to list the files to include or exclude external to
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| 81 | your build file, you should use the includesfile/excludesfile
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| 82 | attributes or elements. Using the attribute, you can only specify a
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| 83 | single file of each type, while the nested elements can be specified
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| 84 | more than once - the nested elements also support if/unless attributes
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| 85 | you can use to test the existance of a property.</p>
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| 86 | <table border="1" cellpadding="2" cellspacing="0">
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| 87 | <tr>
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| 88 | <td valign="top"><b>Attribute</b></td>
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| 89 | <td valign="top"><b>Description</b></td>
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| 90 | <td align="center" valign="top"><b>Required</b></td>
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| 91 | </tr>
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| 92 | <tr>
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| 93 | <td valign="top">name</td>
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| 94 | <td valign="top">the name of the file holding the patterns to
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| 95 | in/exclude.</td>
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| 96 | <td align="center" valign="top">Yes</td>
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| 97 | </tr>
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| 98 | <tr>
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| 99 | <td valign="top">if</td>
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| 100 | <td valign="top">Only read this file if the named property is set.</td>
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| 101 | <td align="center" valign="top">No</td>
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| 102 | </tr>
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| 103 | <tr>
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| 104 | <td valign="top">unless</td>
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| 105 | <td valign="top">Only read this file if the named property is
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| 106 | <b>not</b> set.</td>
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| 107 | <td align="center" valign="top">No</td>
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| 108 | </tr>
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| 109 | </table>
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| 110 | <h4><code>patternset</code></h4>
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| 111 | <p>Patternsets may be nested within one another, adding the nested
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| 112 | patterns to the parent patternset.</p>
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| 113 | <h3>Examples</h3>
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| 114 | <blockquote><pre>
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| 115 | <patternset id="non.test.sources">
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| 116 | <include name="**/*.java"/>
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| 117 | <exclude name="**/*Test*"/>
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| 118 | </patternset>
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| 119 | </pre></blockquote>
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| 120 | <p>Builds a set of patterns that matches all <code>.java</code> files
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| 121 | that do not contain the text <code>Test</code> in their name. This set
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| 122 | can be <a href="../using.html#references">referred</a> to via
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| 123 | <code><patternset refid="non.test.sources"/></code>,
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| 124 | by tasks that support this feature, or by FileSets.</p>
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| 125 | <p>Note that while the <code>includes</code> and
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| 126 | <code>excludes</code> attributes accept
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| 127 | multiple elements separated by commas or spaces, the nested
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| 128 | <code><include></code> and <code><exclude></code> elements expect their name
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| 129 | attribute to hold a single pattern.</p>
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| 130 | <p>The nested elements allow you to use if and unless arguments to
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| 131 | specify that the element should only be used if a property is set, or
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| 132 | that it should be used only if a property is not set.</p>
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| 133 | <p>For example</p>
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| 134 | <blockquote><pre>
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| 135 | <patternset id="sources">
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| 136 | <include name="std/**/*.java"/>
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| 137 | <include name="prof/**/*.java" if="professional"/>
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| 138 | <exclude name="**/*Test*"/>
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| 139 | </patternset>
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| 140 | </pre></blockquote>
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| 141 | <p>will only include the files in the sub-directory <em>prof</em> if the property
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| 142 | <em>professional</em> is set to some value.</p>
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| 143 | <p>The two sets</p>
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| 144 | <blockquote><pre>
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| 145 | <patternset includesfile="some-file"/>
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| 146 | </pre></blockquote>
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| 147 | <p>and</p>
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| 148 | <blockquote><pre>
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| 149 | <patternset>
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| 150 | <includesfile name="some-file"/>
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| 151 | <patternset/>
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| 152 | </pre></blockquote>
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| 153 | <p>are identical. The include patterns will be read from the file
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| 154 | <code>some-file</code>, one pattern per line.</p>
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| 155 | <blockquote><pre>
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| 156 | <patternset>
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| 157 | <includesfile name="some-file"/>
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| 158 | <includesfile name="${some-other-file}"
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| 159 | if="some-other-file"
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| 160 | />
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| 161 | <patternset/>
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| 162 | </pre></blockquote>
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| 163 | <p>will also read include patterns from the file the property
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| 164 | <code>some-other-file</code> points to, if a property of that name has
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| 165 | been defined.</p>
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| 166 | <hr>
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| 167 | <p align="center">Copyright © 2000-2002,2004 The Apache Software Foundation. All rights
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| 168 | Reserved.</p>
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| 169 |
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| 170 | </body>
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| 171 | </html>
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| 172 |
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