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<li>Summary: </li>
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<div class="subTitle">org.apache.tools.ant.filters</div>
<h2 title="Class TailFilter" class="title">Class TailFilter</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><a href="../../../../../org/apache/tools/ant/filters/BaseParamFilterReader.html" title="class in org.apache.tools.ant.filters">org.apache.tools.ant.filters.BaseParamFilterReader</a></li>
<li>
<ul class="inheritance">
<li>org.apache.tools.ant.filters.TailFilter</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
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<div class="description">
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<dl>
<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>, <a href="../../../../../org/apache/tools/ant/types/Parameterizable.html" title="interface in org.apache.tools.ant.types">Parameterizable</a></dd>
</dl>
<hr>
<br>
<pre>public final class <span class="strong">TailFilter</span>
extends <a href="../../../../../org/apache/tools/ant/filters/BaseParamFilterReader.html" title="class in org.apache.tools.ant.filters">BaseParamFilterReader</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">Reads the last <code>n</code> lines of a stream. (Default is last10 lines.)
Example:
<pre><tailfilter lines="3"/></pre>
Or:
<pre><filterreader classname="org.apache.tools.ant.filters.TailFilter">
<param name="lines" value="3"/>
</filterreader></pre></div>
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<h3>Fields inherited from class java.io.FilterReader</h3>
<code>in</code></li>
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<h3>Fields inherited from class java.io.Reader</h3>
<code>lock</code></li>
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<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
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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/TailFilter.html#TailFilter()">TailFilter</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/TailFilter.html#TailFilter(java.io.Reader)">TailFilter</a></strong>(java.io.Reader in)</code>
<div class="block">Creates a new filtered reader.</div>
</td>
</tr>
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.io.Reader</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/filters/TailFilter.html#chain(java.io.Reader)">chain</a></strong>(java.io.Reader rdr)</code>
<div class="block">Creates a new TailFilter using the passed in
Reader for instantiation.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/filters/TailFilter.html#read()">read</a></strong>()</code>
<div class="block">Returns the next character in the filtered stream.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/filters/TailFilter.html#setLines(long)">setLines</a></strong>(long lines)</code>
<div class="block">Sets the number of lines to be returned in the filtered stream.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/tools/ant/filters/TailFilter.html#setSkip(long)">setSkip</a></strong>(long skip)</code>
<div class="block">Sets the number of lines to be skipped 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/BaseParamFilterReader.html" title="class in org.apache.tools.ant.filters">BaseParamFilterReader</a></h3>
<code><a href="../../../../../org/apache/tools/ant/filters/BaseParamFilterReader.html#getParameters()">getParameters</a>, <a href="../../../../../org/apache/tools/ant/filters/BaseParamFilterReader.html#setParameters(org.apache.tools.ant.types.Parameter[])">setParameters</a></code></li>
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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.FilterReader</h3>
<code>close, mark, markSupported, ready, reset</code></li>
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<h3>Methods inherited from class java.io.Reader</h3>
<code>read, read</code></li>
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<h3>Methods inherited from class java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h3>Constructor Detail</h3>
<a name="TailFilter()">
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<h4>TailFilter</h4>
<pre>public TailFilter()</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>TailFilter</h4>
<pre>public TailFilter(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>
</li>
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<a name="read()">
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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. If the read-ahead
has been completed, the next character in the buffer is returned.
Otherwise, the stream is read to the end and buffered (with the buffer
growing as necessary), then the appropriate position in the buffer is
set to read from.</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>
<a name="setLines(long)">
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<h4>setLines</h4>
<pre>public void setLines(long lines)</pre>
<div class="block">Sets the number of lines to be returned in the filtered stream.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>lines</code> - the number of lines to be returned in the filtered stream</dd></dl>
</li>
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<a name="setSkip(long)">
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<h4>setSkip</h4>
<pre>public void setSkip(long skip)</pre>
<div class="block">Sets the number of lines to be skipped in the filtered stream.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>skip</code> - the number of lines to be skipped in the filtered stream</dd></dl>
</li>
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<h4>chain</h4>
<pre>public java.io.Reader chain(java.io.Reader rdr)</pre>
<div class="block">Creates a new TailFilter 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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