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<title>SeekableInputStream (XZ data compression)</title>
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<h2 title="Class SeekableInputStream" class="title">Class SeekableInputStream</h2>
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<li><a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">java.io.InputStream</a></li>
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<li>org.tukaani.xz.SeekableInputStream</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="file:///usr/share/doc/default-jdk-doc/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></dd>
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<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../org/tukaani/xz/SeekableFileInputStream.html" title="class in org.tukaani.xz">SeekableFileInputStream</a>, <a href="../../../org/tukaani/xz/SeekableXZInputStream.html" title="class in org.tukaani.xz">SeekableXZInputStream</a></dd>
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<pre>public abstract class <span class="strong">SeekableInputStream</span>
extends <a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></pre>
<div class="block">Input stream with random access support.</div>
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<td class="colOne"><code><strong><a href="../../../org/tukaani/xz/SeekableInputStream.html#SeekableInputStream()">SeekableInputStream</a></strong>()</code> </td>
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<td class="colFirst"><code>abstract long</code></td>
<td class="colLast"><code><strong><a href="../../../org/tukaani/xz/SeekableInputStream.html#length()">length</a></strong>()</code>
<div class="block">Gets the size of the stream.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>abstract long</code></td>
<td class="colLast"><code><strong><a href="../../../org/tukaani/xz/SeekableInputStream.html#position()">position</a></strong>()</code>
<div class="block">Gets the current position in the stream.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><strong><a href="../../../org/tukaani/xz/SeekableInputStream.html#seek(long)">seek</a></strong>(long pos)</code>
<div class="block">Seeks to the specified absolute position in the stream.</div>
</td>
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<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../org/tukaani/xz/SeekableInputStream.html#skip(long)">skip</a></strong>(long n)</code>
<div class="block">Seeks <code>n</code> bytes forward in this stream.</div>
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<h3>Methods inherited from class java.io.<a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></h3>
<code><a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true#available()" title="class or interface in java.io">available</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true#close()" title="class or interface in java.io">close</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true#mark(int)" title="class or interface in java.io">mark</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true#markSupported()" title="class or interface in java.io">markSupported</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true#read()" title="class or interface in java.io">read</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true#read(byte[])" title="class or interface in java.io">read</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true#read(byte[], int, int)" title="class or interface in java.io">read</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true#reset()" title="class or interface in java.io">reset</a></code></li>
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<h3>Methods inherited from class java.lang.<a href="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="file:///usr/share/doc/default-jdk-doc/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>SeekableInputStream</h4>
<pre>public SeekableInputStream()</pre>
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<h4>skip</h4>
<pre>public long skip(long n)
throws <a href="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Seeks <code>n</code> bytes forward in this stream.
<p>
This will not seek past the end of the file. If the current position
is already at or past the end of the file, this doesn't seek at all
and returns <code>0</code>. Otherwise, if skipping <code>n</code> bytes
would cause the position to exceed the stream size, this will do
equivalent of <code>seek(length())</code> and the return value will
be adjusted accordingly.
<p>
If <code>n</code> is negative, the position isn't changed and
the return value is <code>0</code>. It doesn't seek backward
because it would conflict with the specification of
<a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true#skip(long)" title="class or interface in java.io"><code>InputStream.skip</code></a>.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true#skip(long)" title="class or interface in java.io">skip</a></code> in class <code><a href="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd><code>0</code> if <code>n</code> is negative,
less than <code>n</code> if skipping <code>n</code>
bytes would seek past the end of the file,
<code>n</code> otherwise</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - might be thrown by <a href="../../../org/tukaani/xz/SeekableInputStream.html#seek(long)"><code>seek(long)</code></a></dd></dl>
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<h4>length</h4>
<pre>public abstract long length()
throws <a href="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Gets the size of the stream.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd></dl>
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<h4>position</h4>
<pre>public abstract long position()
throws <a href="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Gets the current position in the stream.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd></dl>
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<h4>seek</h4>
<pre>public abstract void seek(long pos)
throws <a href="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Seeks to the specified absolute position in the stream.
<p>
Seeking past the end of the file should be supported by the subclasses
unless there is a good reason to do otherwise. If one has seeked
past the end of the stream, <code>read</code> will return
<code>-1</code> to indicate end of stream.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>pos</code> - new read position in the stream</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if <code>pos</code> is negative or if
a stream-specific I/O error occurs</dd></dl>
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