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<div class="subTitle">org.apache.commons.io.input</div>
<h2 title="Class NullInputStream" class="title">Class NullInputStream</h2>
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<li>
<ul class="inheritance">
<li><a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">java.io.InputStream</a></li>
<li>
<ul class="inheritance">
<li>org.apache.commons.io.input.NullInputStream</li>
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<dt>All Implemented Interfaces:</dt>
<dd><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>, <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></dd>
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<pre>public class <span class="typeNameLabel">NullInputStream</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></pre>
<div class="block">A functional, light weight <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><code>InputStream</code></a> that emulates
 a stream of a specified size.
 <p>
 This implementation provides a light weight
 object for testing with an <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><code>InputStream</code></a>
 where the contents don't matter.
 <p>
 One use case would be for testing the handling of
 large <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><code>InputStream</code></a> as it can emulate that
 scenario without the overhead of actually processing
 large numbers of bytes - significantly speeding up
 test execution times.
 <p>
 This implementation returns zero from the method that
 reads a byte and leaves the array unchanged in the read
 methods that are passed a byte array.
 If alternative data is required the <code>processByte()</code> and
 <code>processBytes()</code> methods can be implemented to generate
 data, for example:

 <pre>
  public class TestInputStream extends NullInputStream {
      public TestInputStream(int size) {
          super(size);
      }
      protected int processByte() {
          return ... // return required value here
      }
      protected void processBytes(byte[] bytes, int offset, int length) {
          for (int i = offset; i &lt; length; i++) {
              bytes[i] = ... // set array value here
          }
      }
  }
 </pre></div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.3</dd>
<dt><span class="simpleTagLabel">Version:</span></dt>
<dd>$Id$</dd>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/NullInputStream.html#NullInputStream-long-">NullInputStream</a></span>(long&nbsp;size)</code>
<div class="block">Create an <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><code>InputStream</code></a> that emulates a specified size
 which supports marking and does not throw EOFException.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/NullInputStream.html#NullInputStream-long-boolean-boolean-">NullInputStream</a></span>(long&nbsp;size,
               boolean&nbsp;markSupported,
               boolean&nbsp;throwEofException)</code>
<div class="block">Create an <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><code>InputStream</code></a> that emulates a specified
 size with option settings.</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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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/NullInputStream.html#available--">available</a></span>()</code>
<div class="block">Return the number of bytes that can be read.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/NullInputStream.html#close--">close</a></span>()</code>
<div class="block">Close this input stream - resets the internal state to
 the initial values.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/NullInputStream.html#getPosition--">getPosition</a></span>()</code>
<div class="block">Return the current position.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/NullInputStream.html#getSize--">getSize</a></span>()</code>
<div class="block">Return the size this <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><code>InputStream</code></a> emulates.</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/NullInputStream.html#mark-int-">mark</a></span>(int&nbsp;readlimit)</code>
<div class="block">Mark the current position.</div>
</td>
</tr>
<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/NullInputStream.html#markSupported--">markSupported</a></span>()</code>
<div class="block">Indicates whether <i>mark</i> is supported.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/NullInputStream.html#processByte--">processByte</a></span>()</code>
<div class="block">Return a byte value for the  <code>read()</code> method.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/NullInputStream.html#processBytes-byte:A-int-int-">processBytes</a></span>(byte[]&nbsp;bytes,
            int&nbsp;offset,
            int&nbsp;length)</code>
<div class="block">Process the bytes for the <code>read(byte[], offset, length)</code>
 method.</div>
</td>
</tr>
<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/NullInputStream.html#read--">read</a></span>()</code>
<div class="block">Read a byte.</div>
</td>
</tr>
<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/NullInputStream.html#read-byte:A-">read</a></span>(byte[]&nbsp;bytes)</code>
<div class="block">Read some bytes into the specified array.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/commons/io/input/NullInputStream.html#read-byte:A-int-int-">read</a></span>(byte[]&nbsp;bytes,
    int&nbsp;offset,
    int&nbsp;length)</code>
<div class="block">Read the specified number bytes into an array.</div>
</td>
</tr>
<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/NullInputStream.html#reset--">reset</a></span>()</code>
<div class="block">Reset the stream to the point when mark was last called.</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/NullInputStream.html#skip-long-">skip</a></span>(long&nbsp;numberOfBytes)</code>
<div class="block">Skip a specified number of bytes.</div>
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<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>NullInputStream</h4>
<pre>public&nbsp;NullInputStream(long&nbsp;size)</pre>
<div class="block">Create an <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><code>InputStream</code></a> that emulates a specified size
 which supports marking and does not throw EOFException.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>size</code> - The size of the input stream to emulate.</dd>
</dl>
</li>
</ul>
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<h4>NullInputStream</h4>
<pre>public&nbsp;NullInputStream(long&nbsp;size,
                       boolean&nbsp;markSupported,
                       boolean&nbsp;throwEofException)</pre>
<div class="block">Create an <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><code>InputStream</code></a> that emulates a specified
 size with option settings.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>size</code> - The size of the input stream to emulate.</dd>
<dd><code>markSupported</code> - Whether this instance will support
 the <code>mark()</code> functionality.</dd>
<dd><code>throwEofException</code> - Whether this implementation
 will throw an <a href="http://docs.oracle.com/javase/7/docs/api/java/io/EOFException.html?is-external=true" title="class or interface in java.io"><code>EOFException</code></a> or return -1 when the
 end of file is reached.</dd>
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<h4>getPosition</h4>
<pre>public&nbsp;long&nbsp;getPosition()</pre>
<div class="block">Return the current position.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the current position.</dd>
</dl>
</li>
</ul>
<a name="getSize--">
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</a>
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<h4>getSize</h4>
<pre>public&nbsp;long&nbsp;getSize()</pre>
<div class="block">Return the size this <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><code>InputStream</code></a> emulates.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The size of the input stream to emulate.</dd>
</dl>
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<h4>available</h4>
<pre>public&nbsp;int&nbsp;available()</pre>
<div class="block">Return the number of bytes that can be read.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true#available--" title="class or interface in java.io">available</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The number of bytes that can be read.</dd>
</dl>
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<h4>close</h4>
<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">Close this input stream - resets the internal state to
 the initial values.</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/InputStream.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/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</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 error occurs.</dd>
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<pre>public&nbsp;void&nbsp;mark(int&nbsp;readlimit)</pre>
<div class="block">Mark the current position.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.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/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>readlimit</code> - The number of bytes before this marked position
 is invalid.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></code> - if mark is not supported.</dd>
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<pre>public&nbsp;boolean&nbsp;markSupported()</pre>
<div class="block">Indicates whether <i>mark</i> is supported.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.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/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Whether <i>mark</i> is supported or not.</dd>
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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">Read a byte.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.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/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Either The byte value returned by <code>processByte()</code>
 or <code>-1</code> if the end of file has been reached and
 <code>throwEofException</code> is set to <code>false</code>.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/EOFException.html?is-external=true" title="class or interface in java.io">EOFException</a></code> - if the end of file is reached and
 <code>throwEofException</code> is set to <code>true</code>.</dd>
<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 trying to read past the end of file.</dd>
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<pre>public&nbsp;int&nbsp;read(byte[]&nbsp;bytes)
         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">Read some bytes into the specified array.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true#read-byte: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/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>bytes</code> - The byte array to read into</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The number of bytes read or <code>-1</code>
 if the end of file has been reached and
 <code>throwEofException</code> is set to <code>false</code>.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/EOFException.html?is-external=true" title="class or interface in java.io">EOFException</a></code> - if the end of file is reached and
 <code>throwEofException</code> is set to <code>true</code>.</dd>
<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 trying to read past the end of file.</dd>
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<pre>public&nbsp;int&nbsp;read(byte[]&nbsp;bytes,
                int&nbsp;offset,
                int&nbsp;length)
         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">Read the specified number bytes into an array.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true#read-byte: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/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>bytes</code> - The byte array to read into.</dd>
<dd><code>offset</code> - The offset to start reading bytes into.</dd>
<dd><code>length</code> - The number of bytes to read.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The number of bytes read or <code>-1</code>
 if the end of file has been reached and
 <code>throwEofException</code> is set to <code>false</code>.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/EOFException.html?is-external=true" title="class or interface in java.io">EOFException</a></code> - if the end of file is reached and
 <code>throwEofException</code> is set to <code>true</code>.</dd>
<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 trying to read past the end of file.</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">Reset the stream to the point when mark was last called.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.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/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></code> - if mark is not supported.</dd>
<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 no position has been marked
 or the read limit has been exceed since the last position was
 marked.</dd>
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<pre>public&nbsp;long&nbsp;skip(long&nbsp;numberOfBytes)
          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">Skip a specified number of bytes.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.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/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>numberOfBytes</code> - The number of bytes to skip.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The number of bytes skipped or <code>-1</code>
 if the end of file has been reached and
 <code>throwEofException</code> is set to <code>false</code>.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/EOFException.html?is-external=true" title="class or interface in java.io">EOFException</a></code> - if the end of file is reached and
 <code>throwEofException</code> is set to <code>true</code>.</dd>
<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 trying to read past the end of file.</dd>
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<pre>protected&nbsp;int&nbsp;processByte()</pre>
<div class="block">Return a byte value for the  <code>read()</code> method.
 <p>
 This implementation returns zero.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>This implementation always returns zero.</dd>
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<pre>protected&nbsp;void&nbsp;processBytes(byte[]&nbsp;bytes,
                            int&nbsp;offset,
                            int&nbsp;length)</pre>
<div class="block">Process the bytes for the <code>read(byte[], offset, length)</code>
 method.
 <p>
 This implementation leaves the byte array unchanged.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>bytes</code> - The byte array</dd>
<dd><code>offset</code> - The offset to start at.</dd>
<dd><code>length</code> - The number of bytes.</dd>
</dl>
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