api/jdk16/openj9.dtfj/com/ibm/dtfj/corereaders/ClosingFileReader.html - www.eclipse.org/openj9/docs - Git at Google

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 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">com.ibm.dtfj.corereaders</a></div>
 <h1 title="Class ClosingFileReader" class="title">Class ClosingFileReader</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">java.lang.Object</a>
 <div class="inheritance"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">javax.imageio.stream.ImageInputStreamImpl</a>
 <div class="inheritance">com.ibm.dtfj.corereaders.ClosingFileReader</div>
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 </div>
 <section class="description">
 <dl class="notes">
 <dt>All Implemented Interfaces:</dt>
 <dd><code><a href="ResourceReleaser.html" title="interface in com.ibm.dtfj.corereaders">ResourceReleaser</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/Closeable.html" title="class or interface in java.io" class="external-link" target="_blank">Closeable</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/DataInput.html" title="class or interface in java.io" class="external-link" target="_blank">DataInput</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/AutoCloseable.html" title="class or interface in java.lang" class="external-link" target="_blank">AutoCloseable</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStream.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">ImageInputStream</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">ClosingFileReader</span>
 <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">ImageInputStreamImpl</a>
 implements <a href="ResourceReleaser.html" title="interface in com.ibm.dtfj.corereaders">ResourceReleaser</a></span></div>
 <div class="block">A wrapper around the functionality that we require from RandomAccessFiles but with the added auto-closing
  functionality that we require.  Since it is not always easy to determine who "owns" a file and we do not want
  to introduce the concept of state, this class will manage all such file ownership.

  We now also extend javax.imageio.stream.ImageInputStreamImpl as a convenient common interface that we can
  share with the zebedee corefile reader</div>
 </section>
 <section class="summary">
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 <!-- =========== FIELD SUMMARY =========== -->
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 <section class="field-summary" id="field.summary">
 <h2>Field Summary</h2>
 <div class="inherited-list">
 <h3 id="fields.inherited.from.class.javax.imageio.stream.ImageInputStreamImpl">Fields declared in class&nbsp;javax.imageio.stream.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">ImageInputStreamImpl</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#bitOffset" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">bitOffset</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#byteOrder" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">byteOrder</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#flushedPos" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">flushedPos</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#streamPos" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">streamPos</a></code></div>
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 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
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 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(java.io.File)">ClosingFileReader</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link" target="_blank">File</a>&nbsp;file)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-constructor-name odd-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(java.io.File,boolean)">ClosingFileReader</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link" target="_blank">File</a>&nbsp;file,
  boolean&nbsp;deleteOnCloseOrExit)</code></div>
 <div class="col-last odd-row-color">
 <div class="block">Create a closing file reader which can close/delete the backing file on shutdown</div>
 </div>
 <div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(javax.imageio.stream.ImageInputStream)">ClosingFileReader</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStream.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">ImageInputStream</a>&nbsp;file)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Create a closing file reader from a stream</div>
 </div>
 </div>
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 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#finalize()">finalize</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Finalizes this object prior to garbage collection.</div>
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 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a></code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getAbsolutePath()">getAbsolutePath</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/net/URI.html" title="class or interface in java.net" class="external-link" target="_blank">URI</a></code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#getURIOfFile()">getURIOfFile</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>boolean</code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#isMVSFile()">isMVSFile</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#read()">read</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Reads a single byte from the stream and returns it as an
  <code>int</code> between 0 and 255.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#read(byte%5B%5D)">read</a></span>&#8203;(byte[]&nbsp;buffer)</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Currently this attempts to fill the entire buffer</div>
 </div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#read(byte%5B%5D,int,int)">read</a></span>&#8203;(byte[]&nbsp;buffer,
  int&nbsp;bStart,
  int&nbsp;length)</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
 <div class="block">Reads up to <code>len</code> bytes from the stream, and stores
  them into <code>b</code> starting at index <code>off</code>.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>byte[]</code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#readBytes(int)">readBytes</a></span>&#8203;(int&nbsp;n)</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#releaseResources()">releaseResources</a></span>()</code></div>
 <div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/InputStream.html" title="class or interface in java.io" class="external-link" target="_blank">InputStream</a></code></div>
 <div class="col-second odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#streamFromFile()">streamFromFile</a></span>()</code></div>
 <div class="col-last odd-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">&nbsp;</div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods.inherited.from.class.javax.imageio.stream.ImageInputStreamImpl">Methods declared in class&nbsp;javax.imageio.stream.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">ImageInputStreamImpl</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#checkClosed()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">checkClosed</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#close()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">close</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#flush()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">flush</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#flushBefore(long)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">flushBefore</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#getBitOffset()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">getBitOffset</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#getByteOrder()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">getByteOrder</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#getFlushedPosition()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">getFlushedPosition</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#getStreamPosition()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">getStreamPosition</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#isCached()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">isCached</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#isCachedFile()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">isCachedFile</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#isCachedMemory()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">isCachedMemory</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#length()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">length</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#mark()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">mark</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readBit()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readBit</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readBits(int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readBits</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readBoolean()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readBoolean</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readByte()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readByte</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readBytes(javax.imageio.stream.IIOByteBuffer,int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readBytes</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readChar()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readChar</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readDouble()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readDouble</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readFloat()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readFloat</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readFully(byte%5B%5D)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readFully</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readFully(byte%5B%5D,int,int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readFully</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readFully(char%5B%5D,int,int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readFully</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readFully(double%5B%5D,int,int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readFully</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readFully(float%5B%5D,int,int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readFully</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readFully(int%5B%5D,int,int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readFully</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readFully(long%5B%5D,int,int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readFully</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readFully(short%5B%5D,int,int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readFully</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readInt()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readInt</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readLine()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readLine</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readLong()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readLong</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readShort()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readShort</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readUnsignedByte()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readUnsignedByte</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readUnsignedInt()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readUnsignedInt</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readUnsignedShort()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readUnsignedShort</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#readUTF()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">readUTF</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#reset()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">reset</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#seek(long)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">seek</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#setBitOffset(int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">setBitOffset</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#setByteOrder(java.nio.ByteOrder)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">setByteOrder</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#skipBytes(int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">skipBytes</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#skipBytes(long)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">skipBytes</a></code></div>
 <div class="inherited-list">
 <h3 id="methods.inherited.from.class.java.lang.Object">Methods declared in class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link" target="_blank">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link" target="_blank">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link" target="_blank">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link" target="_blank">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link" target="_blank">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link" target="_blank">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link" target="_blank">toString</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link" target="_blank">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor.detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(java.io.File)">
 <h3>ClosingFileReader</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">ClosingFileReader</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link" target="_blank">File</a>&nbsp;file)</span>
                   throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <dl class="notes">
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="&lt;init&gt;(javax.imageio.stream.ImageInputStream)">
 <h3>ClosingFileReader</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">ClosingFileReader</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStream.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">ImageInputStream</a>&nbsp;file)</span>
                   throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <div class="block">Create a closing file reader from a stream</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>file</code> - An ImageInputStream</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/FileNotFoundException.html" title="class or interface in java.io" class="external-link" target="_blank">FileNotFoundException</a></code></dd>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="&lt;init&gt;(java.io.File,boolean)">
 <h3>ClosingFileReader</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">ClosingFileReader</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link" target="_blank">File</a>&nbsp;file,
  boolean&nbsp;deleteOnCloseOrExit)</span>
                   throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <div class="block">Create a closing file reader which can close/delete the backing file on shutdown</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>file</code> - </dd>
 <dd><code>deleteOnCloseOrExit</code> - Whether to delete the file when the file is closed or at shutdown</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/FileNotFoundException.html" title="class or interface in java.io" class="external-link" target="_blank">FileNotFoundException</a></code></dd>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method.detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="readBytes(int)">
 <h3>readBytes</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">byte[]</span>&nbsp;<span class="element-name">readBytes</span>&#8203;<span class="parameters">(int&nbsp;n)</span>
                  throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <dl class="notes">
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="finalize()">
 <h3>finalize</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">finalize</span>()
               throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Throwable.html" title="class or interface in java.lang" class="external-link" target="_blank">Throwable</a></span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#finalize()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">javax.imageio.stream.ImageInputStreamImpl</a></code></span></div>
 <div class="block">Finalizes this object prior to garbage collection.  The
  <code>close</code> method is called to close any open input
  source.  This method should not be called from application
  code.</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#finalize()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">finalize</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">ImageInputStreamImpl</a></code></dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Throwable.html" title="class or interface in java.lang" class="external-link" target="_blank">Throwable</a></code> - if an error occurs during superclass
  finalization.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="read(byte[],int,int)">
 <h3>read</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">read</span>&#8203;<span class="parameters">(byte[]&nbsp;buffer,
  int&nbsp;bStart,
  int&nbsp;length)</span>
          throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#read(byte%5B%5D,int,int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">javax.imageio.stream.ImageInputStreamImpl</a></code></span></div>
 <div class="block">Reads up to <code>len</code> bytes from the stream, and stores
  them into <code>b</code> starting at index <code>off</code>.
  If no bytes can be read because the end of the stream has been
  reached, <code>-1</code> is returned.

  <p> The bit offset within the stream must be reset to zero before
  the read occurs.

  <p> Subclasses must provide an implementation for this method.
  The subclass implementation should update the stream position
  before exiting.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStream.html#read(byte%5B%5D,int,int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">read</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStream.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">ImageInputStream</a></code></dd>
 <dt>Specified by:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#read(byte%5B%5D,int,int)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">read</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">ImageInputStreamImpl</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>buffer</code> - </dd>
 <dd><code>bStart</code> - </dd>
 <dd><code>length</code> - </dd>
 <dt>Returns:</dt>
 <dd>The number of bytes actually read</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="read(byte[])">
 <h3>read</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">read</span>&#8203;<span class="parameters">(byte[]&nbsp;buffer)</span>
          throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <div class="block">Currently this attempts to fill the entire buffer</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStream.html#read(byte%5B%5D)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">read</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStream.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">ImageInputStream</a></code></dd>
 <dt>Overrides:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#read(byte%5B%5D)" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">read</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">ImageInputStreamImpl</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>buffer</code> - an array of bytes to be written to.</dd>
 <dt>Returns:</dt>
 <dd>the number of bytes actually read, or <code>-1</code>
  to indicate EOF.</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code> - if an I/O error occurs.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="read()">
 <h3>read</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">read</span>()
          throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#read()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">javax.imageio.stream.ImageInputStreamImpl</a></code></span></div>
 <div class="block">Reads a single byte from the stream and returns it as an
  <code>int</code> between 0 and 255.  If EOF is reached,
  <code>-1</code> is returned.

  <p> Subclasses must provide an implementation for this method.
  The subclass implementation should update the stream position
  before exiting.

  <p> The bit offset within the stream must be reset to zero before
  the read occurs.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStream.html#read()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">read</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStream.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">ImageInputStream</a></code></dd>
 <dt>Specified by:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html#read()" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">read</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/imageio/stream/ImageInputStreamImpl.html" title="class or interface in javax.imageio.stream" class="external-link" target="_blank">ImageInputStreamImpl</a></code></dd>
 <dt>Returns:</dt>
 <dd>the value of the next byte in the stream, or <code>-1</code>
  if EOF is reached.</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code> - if the stream has been closed.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="streamFromFile()">
 <h3>streamFromFile</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/InputStream.html" title="class or interface in java.io" class="external-link" target="_blank">InputStream</a></span>&nbsp;<span class="element-name">streamFromFile</span>()
                            throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/FileNotFoundException.html" title="class or interface in java.io" class="external-link" target="_blank">FileNotFoundException</a></span></div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>A new stream for reading from the underlying file</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/FileNotFoundException.html" title="class or interface in java.io" class="external-link" target="_blank">FileNotFoundException</a></code> - If this file has moved since the ClosingFileReader was created (since we would have failed in the constructor if the file was ever there)</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getURIOfFile()">
 <h3>getURIOfFile</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/net/URI.html" title="class or interface in java.net" class="external-link" target="_blank">URI</a></span>&nbsp;<span class="element-name">getURIOfFile</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getAbsolutePath()">
 <h3>getAbsolutePath</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a></span>&nbsp;<span class="element-name">getAbsolutePath</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="isMVSFile()">
 <h3>isMVSFile</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isMVSFile</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="releaseResources()">
 <h3>releaseResources</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">releaseResources</span>()
                       throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></span></div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="ResourceReleaser.html#releaseResources()">releaseResources</a></code>&nbsp;in interface&nbsp;<code><a href="ResourceReleaser.html" title="interface in com.ibm.dtfj.corereaders">ResourceReleaser</a></code></dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link" target="_blank">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
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