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<!--
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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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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<html>
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<head>
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<link rel="stylesheet" type="text/css" href="../stylesheets/style.css">
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<title>LoadProperties Task</title>
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</head>
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<body>
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<h2 id="loadproperties">LoadProperties</h2>
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<h3>Description</h3>
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<p>Load a file's contents as Apache Ant properties. This is equivalent to <code><property
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file|resource=<q>...</q>/></code> except that it supports nested <code><filterchain></code>
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elements. Also if the file is missing, the build is halted with an error, rather than a warning
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being printed.</p>
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<p><strong>Note</strong>: the default value of this task's <var>prefixValues</var> attribute is
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different from the default value of the same attribute in
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the <a href="property.html"><code><property></code></a> task.</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>srcFile</td>
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<td>source file</td>
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<td rowspan="2">One of these or a nested resource</td>
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</tr>
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<tr>
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<td>resource</td>
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<td class="left">the resource name of the property file</td>
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</tr>
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<tr>
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<td>encoding</td>
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<td>encoding to use when loading the file</td>
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<td>No</td>
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</tr>
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<tr>
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<td>classpath</td>
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<td>the classpath to use when looking up a resource.</td>
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<td>No</td>
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</tr>
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<tr>
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<td>classpathref</td>
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<td>the classpath to use when looking up a resource, given
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as <a href="../using.html#references">reference</a> to a <code><path></code> defined
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elsewhere.</td>
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<td>No</td>
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</tr>
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<tr>
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<td>prefix</td>
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<td>Prefix to apply to loaded properties. <em>Since Ant 1.8.1</em></td>
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<td>No; default is <q>.</q></td>
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</tr>
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<tr>
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<td>prefixValues</td>
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<td>Whether to apply the prefix when expanding the right hand side of the properties. <em>Since
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Ant 1.8.2</em></td>
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<td>No; default is <q>true</q></td>
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</tr>
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</table>
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<h3>Parameters specified as nested elements</h3>
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<h4>any <a href="../Types/resources.html">resource</a> or single element
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resource collection</h4>
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<p><em>Since Ant 1.7</em></p>
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<p>The specified resource will be used as <var>srcFile</var> or <var>resource</var>.</p>
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<h4><a href="../Types/filterchain.html">FilterChain</a></h4>
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<h4>classpath</h4>
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<p>for use with the <var>resource</var> attribute.</p>
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<h3>Examples</h3>
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<p>Load contents of <samp>file.properties</samp> as Ant properties.</p>
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<pre><loadproperties srcFile="file.properties"/></pre>
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<p>or</p>
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<pre>
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<loadproperties>
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<file file="file.properties"/>
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</loadproperties></pre>
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<p>Read the lines that contain the string <q>import.</q> from the file <samp>file.properties</samp>
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and load them as Ant properties.</p>
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<pre>
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<loadproperties srcFile="file.properties">
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<filterchain>
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<<a href="../Types/filterchain.html#linecontains">linecontains</a>>
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<contains value="import."/>
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</linecontains>
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</filterchain>
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</loadproperties></pre>
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<p>Load contents of <samp>http://example.org/url.properties.gz</samp>, uncompress it on the fly and
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load the contents as Ant properties.</p>
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<pre>
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<loadproperties>
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<<a href="../Types/resources.html#gzipresource">gzipresource</a>>
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<<a href="../Types/resources.html#url">url</a> url="http://example.org/url.properties.gz"/>
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</gzipresource>
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</loadproperties></pre>
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</body>
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</html>
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