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<div class="subTitle">org.apache.commons.io.input</div>
<h2 title="Class ProxyReader" class="title">Class ProxyReader</h2>
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<ul class="inheritance">
<li><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">java.io.Reader</a></li>
<li>
<ul class="inheritance">
<li><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true" title="class or interface in java.io">java.io.FilterReader</a></li>
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<ul class="inheritance">
<li>org.apache.commons.io.input.ProxyReader</li>
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<pre>public abstract class <span class="typeNameLabel">ProxyReader</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true" title="class or interface in java.io">FilterReader</a></pre>
<div class="block">A Proxy stream which acts as expected, that is it passes the method
 calls on to the proxied stream and doesn't change which methods are
 being called.
 <p>
 It is an alternative base class to FilterReader
 to increase reusability, because FilterReader changes the
 methods being called, such as read(char[]) to read(char[], int, int).</div>
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<h3>Fields inherited from class&nbsp;java.io.<a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true" title="class or interface in java.io">FilterReader</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true#in" title="class or interface in java.io">in</a></code></li>
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<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true#lock" title="class or interface in java.io">lock</a></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><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#ProxyReader-java.io.Reader-">ProxyReader</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a>&nbsp;proxy)</code>
<div class="block">Constructs a new ProxyReader.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#afterRead-int-">afterRead</a></span>(int&nbsp;n)</code>
<div class="block">Invoked by the read methods after the proxied call has returned
 successfully.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#beforeRead-int-">beforeRead</a></span>(int&nbsp;n)</code>
<div class="block">Invoked by the read methods before the call is proxied.</div>
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</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#close--">close</a></span>()</code>
<div class="block">Invokes the delegate's <code>close()</code> method.</div>
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</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#handleIOException-java.io.IOException-">handleIOException</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>&nbsp;e)</code>
<div class="block">Handle any IOExceptions thrown.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#mark-int-">mark</a></span>(int&nbsp;idx)</code>
<div class="block">Invokes the delegate's <code>mark(int)</code> method.</div>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#markSupported--">markSupported</a></span>()</code>
<div class="block">Invokes the delegate's <code>markSupported()</code> method.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#read--">read</a></span>()</code>
<div class="block">Invokes the delegate's <code>read()</code> method.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#read-char:A-">read</a></span>(char[]&nbsp;chr)</code>
<div class="block">Invokes the delegate's <code>read(char[])</code> method.</div>
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<tr id="i8" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#read-char:A-int-int-">read</a></span>(char[]&nbsp;chr,
    int&nbsp;st,
    int&nbsp;len)</code>
<div class="block">Invokes the delegate's <code>read(char[], int, int)</code> method.</div>
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<tr id="i9" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#read-java.nio.CharBuffer-">read</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/CharBuffer.html?is-external=true" title="class or interface in java.nio">CharBuffer</a>&nbsp;target)</code>
<div class="block">Invokes the delegate's <code>read(CharBuffer)</code> method.</div>
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<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#ready--">ready</a></span>()</code>
<div class="block">Invokes the delegate's <code>ready()</code> method.</div>
</td>
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<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#reset--">reset</a></span>()</code>
<div class="block">Invokes the delegate's <code>reset()</code> method.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/ProxyReader.html#skip-long-">skip</a></span>(long&nbsp;ln)</code>
<div class="block">Invokes the delegate's <code>skip(long)</code> method.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>ProxyReader</h4>
<pre>public&nbsp;ProxyReader(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a>&nbsp;proxy)</pre>
<div class="block">Constructs a new ProxyReader.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>proxy</code> - the Reader to delegate to</dd>
</dl>
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<h4>read</h4>
<pre>public&nbsp;int&nbsp;read()
         throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Invokes the delegate's <code>read()</code> method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true#read--" title="class or interface in java.io">read</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true" title="class or interface in java.io">FilterReader</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the character read or -1 if the end of stream</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<pre>public&nbsp;int&nbsp;read(char[]&nbsp;chr)
         throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Invokes the delegate's <code>read(char[])</code> method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true#read-char:A-" title="class or interface in java.io">read</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>chr</code> - the buffer to read the characters into</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of characters read or -1 if the end of stream</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<pre>public&nbsp;int&nbsp;read(char[]&nbsp;chr,
                int&nbsp;st,
                int&nbsp;len)
         throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Invokes the delegate's <code>read(char[], int, int)</code> method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true#read-char:A-int-int-" title="class or interface in java.io">read</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true" title="class or interface in java.io">FilterReader</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>chr</code> - the buffer to read the characters into</dd>
<dd><code>st</code> - The start offset</dd>
<dd><code>len</code> - The number of bytes to read</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of characters read or -1 if the end of stream</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<h4>read</h4>
<pre>public&nbsp;int&nbsp;read(<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/CharBuffer.html?is-external=true" title="class or interface in java.nio">CharBuffer</a>&nbsp;target)
         throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Invokes the delegate's <code>read(CharBuffer)</code> method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Readable.html?is-external=true#read-java.nio.CharBuffer-" title="class or interface in java.lang">read</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Readable.html?is-external=true" title="class or interface in java.lang">Readable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true#read-java.nio.CharBuffer-" title="class or interface in java.io">read</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>target</code> - the char buffer to read the characters into</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of characters read or -1 if the end of stream</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.0</dd>
</dl>
</li>
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<h4>skip</h4>
<pre>public&nbsp;long&nbsp;skip(long&nbsp;ln)
          throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Invokes the delegate's <code>skip(long)</code> method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true#skip-long-" title="class or interface in java.io">skip</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true" title="class or interface in java.io">FilterReader</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ln</code> - the number of bytes to skip</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of bytes to skipped or EOF if the end of stream</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<pre>public&nbsp;boolean&nbsp;ready()
              throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Invokes the delegate's <code>ready()</code> method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true#ready--" title="class or interface in java.io">ready</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true" title="class or interface in java.io">FilterReader</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the stream is ready to be read</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<pre>public&nbsp;void&nbsp;close()
           throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Invokes the delegate's <code>close()</code> method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true#close--" title="class or interface in java.io">close</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true#close--" title="class or interface in java.lang">close</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true#close--" title="class or interface in java.io">close</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true" title="class or interface in java.io">FilterReader</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<h4>mark</h4>
<pre>public&nbsp;void&nbsp;mark(int&nbsp;idx)
          throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Invokes the delegate's <code>mark(int)</code> method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true#mark-int-" title="class or interface in java.io">mark</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true" title="class or interface in java.io">FilterReader</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>idx</code> - read ahead limit</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<pre>public&nbsp;void&nbsp;reset()
           throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Invokes the delegate's <code>reset()</code> method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true#reset--" title="class or interface in java.io">reset</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true" title="class or interface in java.io">FilterReader</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
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<h4>markSupported</h4>
<pre>public&nbsp;boolean&nbsp;markSupported()</pre>
<div class="block">Invokes the delegate's <code>markSupported()</code> method.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true#markSupported--" title="class or interface in java.io">markSupported</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/FilterReader.html?is-external=true" title="class or interface in java.io">FilterReader</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if mark is supported, otherwise false</dd>
</dl>
</li>
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<h4>beforeRead</h4>
<pre>protected&nbsp;void&nbsp;beforeRead(int&nbsp;n)
                   throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Invoked by the read methods before the call is proxied. The number
 of chars that the caller wanted to read (1 for the <a href="../../../../../org/apache/commons/io/input/ProxyReader.html#read--"><code>read()</code></a>
 method, buffer length for <a href="../../../../../org/apache/commons/io/input/ProxyReader.html#read-char:A-"><code>read(char[])</code></a>, etc.) is given as
 an argument.
 <p>
 Subclasses can override this method to add common pre-processing
 functionality without having to override all the read methods.
 The default implementation does nothing.
 <p>
 Note this method is <em>not</em> called from <a href="../../../../../org/apache/commons/io/input/ProxyReader.html#skip-long-"><code>skip(long)</code></a> or
 <a href="../../../../../org/apache/commons/io/input/ProxyReader.html#reset--"><code>reset()</code></a>. You need to explicitly override those methods if
 you want to add pre-processing steps also to them.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>n</code> - number of chars that the caller asked to be read</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if the pre-processing fails</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.0</dd>
</dl>
</li>
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<h4>afterRead</h4>
<pre>protected&nbsp;void&nbsp;afterRead(int&nbsp;n)
                  throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Invoked by the read methods after the proxied call has returned
 successfully. The number of chars returned to the caller (or -1 if
 the end of stream was reached) is given as an argument.
 <p>
 Subclasses can override this method to add common post-processing
 functionality without having to override all the read methods.
 The default implementation does nothing.
 <p>
 Note this method is <em>not</em> called from <a href="../../../../../org/apache/commons/io/input/ProxyReader.html#skip-long-"><code>skip(long)</code></a> or
 <a href="../../../../../org/apache/commons/io/input/ProxyReader.html#reset--"><code>reset()</code></a>. You need to explicitly override those methods if
 you want to add post-processing steps also to them.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>n</code> - number of chars read, or -1 if the end of stream was reached</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if the post-processing fails</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.0</dd>
</dl>
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<h4>handleIOException</h4>
<pre>protected&nbsp;void&nbsp;handleIOException(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>&nbsp;e)
                          throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Handle any IOExceptions thrown.
 <p>
 This method provides a point to implement custom exception
 handling. The default behaviour is to re-throw the exception.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>e</code> - The IOException thrown</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an I/O error occurs</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.0</dd>
</dl>
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