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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/corba/se/impl/util/JDKClassLoader.java
/* * Copyright (c) 1999, 2004, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ /* * Licensed Materials - Property of IBM * RMI-IIOP v1.0 * Copyright IBM Corp. 1998 1999 All Rights Reserved * */ package com.sun.corba.se.impl.util; import sun.corba.Bridge ; import java.util.Map ; import java.util.WeakHashMap ; import java.util.Collections ; import java.security.AccessController ; import java.security.PrivilegedAction ; /** * Utility method for crawling call stack to load class */ class JDKClassLoader { private static final JDKClassLoaderCache classCache = new JDKClassLoaderCache(); private static final Bridge bridge = (Bridge)AccessController.doPrivileged( new PrivilegedAction() { public Object run() { return Bridge.get() ; } } ) ; static Class loadClass(Class aClass, String className) throws ClassNotFoundException { // Maintain the same error semantics as Class.forName() if (className == null) { throw new NullPointerException(); } if (className.length() == 0) { throw new ClassNotFoundException(); } // It would be nice to bypass JDKClassLoader's attempts completely // if it's known that the latest user defined ClassLoader will // fail. // // Otherwise, we end up calling Class.forName here as well as in // the next step in JDKBridge. That can take a long time depending // on the length of the classpath. // Note: Looking at the only place in JDKBridge where this code // is invoked, it is clear that aClass will always be null. ClassLoader loader; if (aClass != null) { loader = aClass.getClassLoader(); } else { loader = bridge.getLatestUserDefinedLoader(); } // See createKey for a description of what's involved Object key = classCache.createKey(className, loader); if (classCache.knownToFail(key)) { throw new ClassNotFoundException(className); } else { try { // Loading this class with the call stack // loader isn't known to fail, so try // to load it. return Class.forName(className, false, loader); } catch(ClassNotFoundException cnfe) { // Record that we failed to find the class // with this particular loader. This way, we won't // waste time looking with this loader, again. classCache.recordFailure(key); throw cnfe; } } } /** * Private cache implementation specific to JDKClassLoader. */ private static class JDKClassLoaderCache { // JDKClassLoader couldn't find the class with the located // ClassLoader. Note this in our cache so JDKClassLoader // can abort early next time. public final void recordFailure(Object key) { cache.put(key, JDKClassLoaderCache.KNOWN_TO_FAIL); } // Factory for a key (CacheKey is an implementation detail // of JDKClassLoaderCache). // // A key currently consists of the class name as well as // the latest user defined class loader, so it's fairly // expensive to create. public final Object createKey(String className, ClassLoader latestLoader) { return new CacheKey(className, latestLoader); } // Determine whether or not this combination of class name // and ClassLoader is known to fail. public final boolean knownToFail(Object key) { return cache.get(key) == JDKClassLoaderCache.KNOWN_TO_FAIL; } // Synchronized WeakHashMap private final Map cache = Collections.synchronizedMap(new WeakHashMap()); // Cache result used to mark the caches when there is // no way JDKClassLoader could succeed with the given // key private static final Object KNOWN_TO_FAIL = new Object(); // Key consisting of the class name and the latest // user defined class loader private static class CacheKey { String className; ClassLoader loader; public CacheKey(String className, ClassLoader loader) { this.className = className; this.loader = loader; } // Try to incorporate both class name and loader // into the hashcode public int hashCode() { if (loader == null) return className.hashCode(); else return className.hashCode() ^ loader.hashCode(); } public boolean equals(Object obj) { try { // WeakHashMap may compare null keys if (obj == null) return false; CacheKey other = (CacheKey)obj; // I've made a decision to actually compare the // loader references. I don't want a case when // two loader instances override their equals // methods and only compare code base. // // This way, at worst, our performance will // be slower, but we know we'll do the correct // loading. return (className.equals(other.className) && loader == other.loader); } catch (ClassCastException cce) { return false; } } } } }
⏎ com/sun/corba/se/impl/util/JDKClassLoader.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, ≈374🔥, 3💬
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