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<div class="subTitle">org.apache.tools.ant.filters</div>
<h2 title="Class ExpandProperties" class="title">Class ExpandProperties</h2>
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<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>java.io.Reader</li>
<li>
<ul class="inheritance">
<li>java.io.FilterReader</li>
<li>
<ul class="inheritance">
<li><a href="../../../../../org/apache/tools/ant/filters/BaseFilterReader.html" title="class in org.apache.tools.ant.filters">org.apache.tools.ant.filters.BaseFilterReader</a></li>
<li>
<ul class="inheritance">
<li>org.apache.tools.ant.filters.ExpandProperties</li>
</ul>
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</ul>
</li>
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<dt>All Implemented Interfaces:</dt>
<dd>java.io.Closeable, java.lang.AutoCloseable, java.lang.Readable, <a href="../../../../../org/apache/tools/ant/filters/ChainableReader.html" title="interface in org.apache.tools.ant.filters">ChainableReader</a></dd>
</dl>
<hr>
<br>
<pre>public final class <span class="strong">ExpandProperties</span>
extends <a href="../../../../../org/apache/tools/ant/filters/BaseFilterReader.html" title="class in org.apache.tools.ant.filters">BaseFilterReader</a>
implements <a href="../../../../../org/apache/tools/ant/filters/ChainableReader.html" title="interface in org.apache.tools.ant.filters">ChainableReader</a></pre>
<div class="block">Expands Ant properties, if any, in the data.
<p>
Example:<br>
<pre><expandproperties/></pre>
Or:
<pre><filterreader
classname="org.apache.tools.ant.filters.ExpandProperties"/></pre></div>
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<code>in</code></li>
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<code>lock</code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/tools/ant/filters/ExpandProperties.html#ExpandProperties()">ExpandProperties</a></strong>()</code>
<div class="block">Constructor for "dummy" instances.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/tools/ant/filters/ExpandProperties.html#ExpandProperties(java.io.Reader)">ExpandProperties</a></strong>(java.io.Reader in)</code>
<div class="block">Creates a new filtered reader.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/filters/ExpandProperties.html#add(org.apache.tools.ant.types.PropertySet)">add</a></strong>(<a href="../../../../../org/apache/tools/ant/types/PropertySet.html" title="class in org.apache.tools.ant.types">PropertySet</a> propertySet)</code>
<div class="block">Restrict the expanded properties using a PropertySet.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.io.Reader</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/filters/ExpandProperties.html#chain(java.io.Reader)">chain</a></strong>(java.io.Reader rdr)</code>
<div class="block">Creates a new ExpandProperties filter using the passed in
Reader for instantiation.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/filters/ExpandProperties.html#read()">read</a></strong>()</code>
<div class="block">Returns the next character in the filtered stream.</div>
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<h3>Methods inherited from class org.apache.tools.ant.filters.<a href="../../../../../org/apache/tools/ant/filters/BaseFilterReader.html" title="class in org.apache.tools.ant.filters">BaseFilterReader</a></h3>
<code><a href="../../../../../org/apache/tools/ant/filters/BaseFilterReader.html#getInitialized()">getInitialized</a>, <a href="../../../../../org/apache/tools/ant/filters/BaseFilterReader.html#getProject()">getProject</a>, <a href="../../../../../org/apache/tools/ant/filters/BaseFilterReader.html#read(char[], int, int)">read</a>, <a href="../../../../../org/apache/tools/ant/filters/BaseFilterReader.html#readFully()">readFully</a>, <a href="../../../../../org/apache/tools/ant/filters/BaseFilterReader.html#readLine()">readLine</a>, <a href="../../../../../org/apache/tools/ant/filters/BaseFilterReader.html#setInitialized(boolean)">setInitialized</a>, <a href="../../../../../org/apache/tools/ant/filters/BaseFilterReader.html#setProject(org.apache.tools.ant.Project)">setProject</a>, <a href="../../../../../org/apache/tools/ant/filters/BaseFilterReader.html#skip(long)">skip</a></code></li>
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<h3>Methods inherited from class java.io.Reader</h3>
<code>read, read</code></li>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h3>Constructor Detail</h3>
<a name="ExpandProperties()">
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<h4>ExpandProperties</h4>
<pre>public ExpandProperties()</pre>
<div class="block">Constructor for "dummy" instances.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/tools/ant/filters/BaseFilterReader.html#BaseFilterReader()"><code>BaseFilterReader.BaseFilterReader()</code></a></dd></dl>
</li>
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<h4>ExpandProperties</h4>
<pre>public ExpandProperties(java.io.Reader in)</pre>
<div class="block">Creates a new filtered reader.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>in</code> - A Reader object providing the underlying stream.
Must not be <code>null</code>.</dd></dl>
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<h4>add</h4>
<pre>public void add(<a href="../../../../../org/apache/tools/ant/types/PropertySet.html" title="class in org.apache.tools.ant.types">PropertySet</a> propertySet)</pre>
<div class="block">Restrict the expanded properties using a PropertySet.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>propertySet</code> - replacement lookup</dd></dl>
</li>
</ul>
<a name="read()">
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</a>
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<h4>read</h4>
<pre>public int read()
throws java.io.IOException</pre>
<div class="block">Returns the next character in the filtered stream. The original
stream is first read in fully, and the Ant properties are expanded.
The results of this expansion are then queued so they can be read
character-by-character.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code>read</code> in class <code>java.io.FilterReader</code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the next character in the resulting stream, or -1
if the end of the resulting stream has been reached</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if the underlying stream throws an IOException
during reading</dd></dl>
</li>
</ul>
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<h4>chain</h4>
<pre>public java.io.Reader chain(java.io.Reader rdr)</pre>
<div class="block">Creates a new ExpandProperties filter using the passed in
Reader for instantiation.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/tools/ant/filters/ChainableReader.html#chain(java.io.Reader)">chain</a></code> in interface <code><a href="../../../../../org/apache/tools/ant/filters/ChainableReader.html" title="interface in org.apache.tools.ant.filters">ChainableReader</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>rdr</code> - A Reader object providing the underlying stream.
Must not be <code>null</code>.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a new filter based on this configuration, but filtering
the specified reader</dd></dl>
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