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JRE 8 rt.jar - com.* Package Source Code
JRE 8 rt.jar is the JAR file for JRE 8 RT (Runtime) libraries. JRE (Java Runtime) 8 is the runtime environment included in JDK 8. JRE 8 rt.jar libraries are divided into 6 packages:
com.* - Internal Oracle and Sun Microsystems libraries java.* - Standard Java API libraries. javax.* - Extended Java API libraries. jdk.* - JDK supporting libraries. org.* - Third party libraries. sun.* - Old libraries developed by Sun Microsystems.
JAR File Information:
Directory of C:\fyicenter\jdk-1.8.0_191\jre\lib 63,596,151 rt.jar
Here is the list of Java classes of the com.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.
✍: FYIcenter
⏎ com/sun/imageio/stream/StreamCloser.java
/* * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package com.sun.imageio.stream; import java.io.IOException; import java.util.Set; import java.util.WeakHashMap; import javax.imageio.stream.ImageInputStream; /** * This class provide means to properly close hanging * image input/output streams on VM shutdown. * This might be useful for proper cleanup such as removal * of temporary files. * * Addition of stream do not prevent it from being garbage collected * if no other references to it exists. Stream can be closed * explicitly without removal from StreamCloser queue. * Explicit removal from the queue only helps to save some memory. */ public class StreamCloser { private static WeakHashMap<CloseAction, Object> toCloseQueue; private static Thread streamCloser; public static void addToQueue(CloseAction ca) { synchronized (StreamCloser.class) { if (toCloseQueue == null) { toCloseQueue = new WeakHashMap<CloseAction, Object>(); } toCloseQueue.put(ca, null); if (streamCloser == null) { final Runnable streamCloserRunnable = new Runnable() { public void run() { if (toCloseQueue != null) { synchronized (StreamCloser.class) { Set<CloseAction> set = toCloseQueue.keySet(); // Make a copy of the set in order to avoid // concurrent modification (the is.close() // will in turn call removeFromQueue()) CloseAction[] actions = new CloseAction[set.size()]; actions = set.toArray(actions); for (CloseAction ca : actions) { if (ca != null) { try { ca.performAction(); } catch (IOException e) { } } } } } } }; java.security.AccessController.doPrivileged( new java.security.PrivilegedAction() { public Object run() { /* The thread must be a member of a thread group * which will not get GCed before VM exit. * Make its parent the top-level thread group. */ ThreadGroup tg = Thread.currentThread().getThreadGroup(); for (ThreadGroup tgn = tg; tgn != null; tg = tgn, tgn = tg.getParent()); streamCloser = new Thread(tg, streamCloserRunnable); /* Set context class loader to null in order to avoid * keeping a strong reference to an application classloader. */ streamCloser.setContextClassLoader(null); Runtime.getRuntime().addShutdownHook(streamCloser); return null; } }); } } } public static void removeFromQueue(CloseAction ca) { synchronized (StreamCloser.class) { if (toCloseQueue != null) { toCloseQueue.remove(ca); } } } public static CloseAction createCloseAction(ImageInputStream iis) { return new CloseAction(iis); } public static final class CloseAction { private ImageInputStream iis; private CloseAction(ImageInputStream iis) { this.iis = iis; } public void performAction() throws IOException { if (iis != null) { iis.close(); } } } }
⏎ com/sun/imageio/stream/StreamCloser.java
Or download all of them as a single archive file:
File name: jre-rt-com-1.8.0_191-src.zip File size: 8099783 bytes Release date: 2018-10-28 Download
⇒ Backup JDK 8 Installation Directory
2023-02-07, 250413👍, 3💬
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