83 lines
3.2 KiB
HTML
83 lines
3.2 KiB
HTML
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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The ASF licenses this file to You under the Apache License, Version 2.0
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Unless required by applicable law or agreed to in writing, software
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<html>
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<head>
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<meta http-equiv="Content-Language" content="en-us">
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<link rel="stylesheet" type="text/css" href="../stylesheets/style.css">
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<title>Bindtargets Task</title>
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</head>
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<body>
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<h2 id="ant">Bindtargets</h2>
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<p><em>Since Apache Ant 1.8.2</em></p>
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<h3>Description</h3>
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<p>Make some target the extension of some
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defined <a href="../targets.html#extension-points">extension point</a>. It will make the list of
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targets dependencies of the extension point.</p>
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<p>This target is useful when you want to have a target to participate in another build workflow
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which explicitly exposes an extension point for that kind of insertion. Thus the target to bind and
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the extension point to bind to are both declared in some imported build files. But directly
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modifying the target dependency graph of these external build files may have a side effect on some
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other project which imports them. This task helps to modify the target dependencies but only in your
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context.</p>
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<p><strong>Note</strong>: this task is quite equivalent to the definition of an intermediate target
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which will be the bridge between the target to bind and the extension point. For instance:</p>
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<pre><bindtargets targets="jar,javadoc" extensionPoint="dist"/></pre>
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<p>is quite equivalent to:</p>
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<pre><target name="bind-to-dist" depends="jar,javadoc" extensionOf="dist"/></pre>
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<p>This task basically avoids the creation of a target.</p>
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<p>The <code>bindtargets</code> task may only be used as a top-level task. This means that it may
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not be used in a target. This is making the target dependency graph static and predictable as soon
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as every build file is loaded.</p>
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<h3>Parameters</h3>
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<table class="attr">
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<tr>
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<th scope="col">Attribute</th>
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<th scope="col">Description</th>
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<th scope="col">Required</th>
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</tr>
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<tr>
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<td>targets</td>
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<td>a comma separated list of target names to bind.</td>
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<td>Yes</td>
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</tr>
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<tr>
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<td>extensionPoint</td>
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<td>the name of the extension point to bind the targets to.</td>
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<td>Yes</td>
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</tr>
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<tr>
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<td>onMissingExtensionPoint</td>
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<td>What to do if this target tries to extend a
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missing <a href="../targets.html#extension-points">extension-point</a>: <q>fail</q>, <q>warn</q>, <q>ignore</q>.</td>
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<td>No; defaults to <q>fail</q></td>
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</tr>
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</table>
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<h3>Examples</h3>
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<pre><bindtargets targets="build-jar,build-src-jar" extensionPoint="dist"/></pre>
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</body>
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</html>
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