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SharedInputStream.html
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<!DOCTYPE HTML>
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<title>SharedInputStream (Jakarta Mail API documentation)</title>
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<h2 title="Interface SharedInputStream" class="title">Interface SharedInputStream</h2>
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<dd><code><a href="../util/SharedByteArrayInputStream.html" title="class in jakarta.mail.util">SharedByteArrayInputStream</a></code>, <code><a href="../util/SharedFileInputStream.html" title="class in jakarta.mail.util">SharedFileInputStream</a></code></dd>
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<pre>public interface <span class="typeNameLabel">SharedInputStream</span></pre>
<div class="block">An InputStream that is backed by data that can be shared by multiple
readers may implement this interface. This allows users of such an
InputStream to determine the current position in the InputStream, and
to create new InputStreams representing a subset of the data in the
original InputStream. The new InputStream will access the same
underlying data as the original, without copying the data. <p>
Note that implementations of this interface must ensure that the
<code>close</code> method does not close any underlying stream
that might be shared by multiple instances of <code>SharedInputStream</code>
until all shared instances have been closed.</div>
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<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Bill Shannon</dd>
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<td class="colFirst"><code>long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPosition()">getPosition</a></span>()</code></th>
<td class="colLast">
<div class="block">Return the current position in the InputStream, as an
offset from the beginning of the InputStream.</div>
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<td class="colFirst"><code>java.io.InputStream</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#newStream(long,long)">newStream</a></span>​(long start,
long end)</code></th>
<td class="colLast">
<div class="block">Return a new InputStream representing a subset of the data
from this InputStream, starting at <code>start</code> (inclusive)
up to <code>end</code> (exclusive).</div>
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<h4>getPosition</h4>
<pre class="methodSignature">long getPosition()</pre>
<div class="block">Return the current position in the InputStream, as an
offset from the beginning of the InputStream.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the current position</dd>
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<pre class="methodSignature">java.io.InputStream newStream​(long start,
long end)</pre>
<div class="block">Return a new InputStream representing a subset of the data
from this InputStream, starting at <code>start</code> (inclusive)
up to <code>end</code> (exclusive). <code>start</code> must be
non-negative. If <code>end</code> is -1, the new stream ends
at the same place as this stream. The returned InputStream
will also implement the SharedInputStream interface.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>start</code> - the starting position</dd>
<dd><code>end</code> - the ending position + 1</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the new stream</dd>
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