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JRE 8 rt.jar - java.* 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 java.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.
✍: FYIcenter
⏎ java/rmi/activation/ActivationID.java
/* * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.rmi.activation; import java.io.IOException; import java.io.InvalidObjectException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; import java.lang.reflect.InvocationHandler; import java.lang.reflect.Proxy; import java.rmi.MarshalledObject; import java.rmi.Remote; import java.rmi.RemoteException; import java.rmi.UnmarshalException; import java.rmi.server.RemoteObject; import java.rmi.server.RemoteObjectInvocationHandler; import java.rmi.server.RemoteRef; import java.rmi.server.UID; import java.security.AccessControlContext; import java.security.AccessController; import java.security.Permissions; import java.security.PrivilegedActionException; import java.security.PrivilegedExceptionAction; import java.security.ProtectionDomain; /** * Activation makes use of special identifiers to denote remote * objects that can be activated over time. An activation identifier * (an instance of the class <code>ActivationID</code>) contains several * pieces of information needed for activating an object: * <ul> * <li> a remote reference to the object's activator (a {@link * java.rmi.server.RemoteRef RemoteRef} * instance), and * <li> a unique identifier (a {@link java.rmi.server.UID UID} * instance) for the object. </ul> <p> * * An activation identifier for an object can be obtained by registering * an object with the activation system. Registration is accomplished * in a few ways: <ul> * <li>via the <code>Activatable.register</code> method * <li>via the first <code>Activatable</code> constructor (that takes * three arguments and both registers and exports the object, and * <li>via the first <code>Activatable.exportObject</code> method * that takes the activation descriptor, object and port as arguments; * this method both registers and exports the object. </ul> * * @author Ann Wollrath * @see Activatable * @since 1.2 */ public class ActivationID implements Serializable { /** * the object's activator */ private transient Activator activator; /** * the object's unique id */ private transient UID uid = new UID(); /** indicate compatibility with the Java 2 SDK v1.2 version of class */ private static final long serialVersionUID = -4608673054848209235L; /** an AccessControlContext with no permissions */ private static final AccessControlContext NOPERMS_ACC; static { Permissions perms = new Permissions(); ProtectionDomain[] pd = { new ProtectionDomain(null, perms) }; NOPERMS_ACC = new AccessControlContext(pd); } /** * The constructor for <code>ActivationID</code> takes a single * argument, activator, that specifies a remote reference to the * activator responsible for activating the object associated with * this identifier. An instance of <code>ActivationID</code> is globally * unique. * * @param activator reference to the activator responsible for * activating the object * @throws UnsupportedOperationException if and only if activation is * not supported by this implementation * @since 1.2 */ public ActivationID(Activator activator) { this.activator = activator; } /** * Activate the object for this id. * * @param force if true, forces the activator to contact the group * when activating the object (instead of returning a cached reference); * if false, returning a cached value is acceptable. * @return the reference to the active remote object * @exception ActivationException if activation fails * @exception UnknownObjectException if the object is unknown * @exception RemoteException if remote call fails * @since 1.2 */ public Remote activate(boolean force) throws ActivationException, UnknownObjectException, RemoteException { try { MarshalledObject<? extends Remote> mobj = activator.activate(this, force); return AccessController.doPrivileged( new PrivilegedExceptionAction<Remote>() { public Remote run() throws IOException, ClassNotFoundException { return mobj.get(); } }, NOPERMS_ACC); } catch (PrivilegedActionException pae) { Exception ex = pae.getException(); if (ex instanceof RemoteException) { throw (RemoteException) ex; } else { throw new UnmarshalException("activation failed", ex); } } } /** * Returns a hashcode for the activation id. Two identifiers that * refer to the same remote object will have the same hash code. * * @see java.util.Hashtable * @since 1.2 */ public int hashCode() { return uid.hashCode(); } /** * Compares two activation ids for content equality. * Returns true if both of the following conditions are true: * 1) the unique identifiers equivalent (by content), and * 2) the activator specified in each identifier * refers to the same remote object. * * @param obj the Object to compare with * @return true if these Objects are equal; false otherwise. * @see java.util.Hashtable * @since 1.2 */ public boolean equals(Object obj) { if (obj instanceof ActivationID) { ActivationID id = (ActivationID) obj; return (uid.equals(id.uid) && activator.equals(id.activator)); } else { return false; } } /** * <code>writeObject</code> for custom serialization. * * <p>This method writes this object's serialized form for * this class as follows: * * <p>The <code>writeObject</code> method is invoked on * <code>out</code> passing this object's unique identifier * (a {@link java.rmi.server.UID UID} instance) as the argument. * * <p>Next, the {@link * java.rmi.server.RemoteRef#getRefClass(java.io.ObjectOutput) * getRefClass} method is invoked on the activator's * <code>RemoteRef</code> instance to obtain its external ref * type name. Next, the <code>writeUTF</code> method is * invoked on <code>out</code> with the value returned by * <code>getRefClass</code>, and then the * <code>writeExternal</code> method is invoked on the * <code>RemoteRef</code> instance passing <code>out</code> * as the argument. * * @serialData The serialized data for this class comprises a * <code>java.rmi.server.UID</code> (written with * <code>ObjectOutput.writeObject</code>) followed by the * external ref type name of the activator's * <code>RemoteRef</code> instance (a string written with * <code>ObjectOutput.writeUTF</code>), followed by the * external form of the <code>RemoteRef</code> instance as * written by its <code>writeExternal</code> method. * * <p>The external ref type name of the * <code>RemoteRef</Code> instance is * determined using the definitions of external ref type * names specified in the {@link java.rmi.server.RemoteObject * RemoteObject} <code>writeObject</code> method * <b>serialData</b> specification. Similarly, the data * written by the <code>writeExternal</code> method and read * by the <code>readExternal</code> method of * <code>RemoteRef</code> implementation classes * corresponding to each of the defined external ref type * names is specified in the {@link * java.rmi.server.RemoteObject RemoteObject} * <code>writeObject</code> method <b>serialData</b> * specification. **/ private void writeObject(ObjectOutputStream out) throws IOException, ClassNotFoundException { out.writeObject(uid); RemoteRef ref; if (activator instanceof RemoteObject) { ref = ((RemoteObject) activator).getRef(); } else if (Proxy.isProxyClass(activator.getClass())) { InvocationHandler handler = Proxy.getInvocationHandler(activator); if (!(handler instanceof RemoteObjectInvocationHandler)) { throw new InvalidObjectException( "unexpected invocation handler"); } ref = ((RemoteObjectInvocationHandler) handler).getRef(); } else { throw new InvalidObjectException("unexpected activator type"); } out.writeUTF(ref.getRefClass(out)); ref.writeExternal(out); } /** * <code>readObject</code> for custom serialization. * * <p>This method reads this object's serialized form for this * class as follows: * * <p>The <code>readObject</code> method is invoked on * <code>in</code> to read this object's unique identifier * (a {@link java.rmi.server.UID UID} instance). * * <p>Next, the <code>readUTF</code> method is invoked on * <code>in</code> to read the external ref type name of the * <code>RemoteRef</code> instance for this object's * activator. Next, the <code>RemoteRef</code> * instance is created of an implementation-specific class * corresponding to the external ref type name (returned by * <code>readUTF</code>), and the <code>readExternal</code> * method is invoked on that <code>RemoteRef</code> instance * to read the external form corresponding to the external * ref type name. * * <p>Note: If the external ref type name is * <code>"UnicastRef"</code>, <code>"UnicastServerRef"</code>, * <code>"UnicastRef2"</code>, <code>"UnicastServerRef2"</code>, * or <code>"ActivatableRef"</code>, a corresponding * implementation-specific class must be found, and its * <code>readExternal</code> method must read the serial data * for that external ref type name as specified to be written * in the <b>serialData</b> documentation for this class. * If the external ref type name is any other string (of non-zero * length), a <code>ClassNotFoundException</code> will be thrown, * unless the implementation provides an implementation-specific * class corresponding to that external ref type name, in which * case the <code>RemoteRef</code> will be an instance of * that implementation-specific class. */ private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException { uid = (UID)in.readObject(); try { Class<? extends RemoteRef> refClass = Class.forName(RemoteRef.packagePrefix + "." + in.readUTF()) .asSubclass(RemoteRef.class); RemoteRef ref = refClass.newInstance(); ref.readExternal(in); activator = (Activator) Proxy.newProxyInstance(null, new Class<?>[] { Activator.class }, new RemoteObjectInvocationHandler(ref)); } catch (InstantiationException e) { throw (IOException) new InvalidObjectException( "Unable to create remote reference").initCause(e); } catch (IllegalAccessException e) { throw (IOException) new InvalidObjectException( "Unable to create remote reference").initCause(e); } } }
⏎ java/rmi/activation/ActivationID.java
Or download all of them as a single archive file:
File name: jre-rt-java-1.8.0_191-src.zip File size: 6664831 bytes Release date: 2018-10-28 Download
⇒ JRE 8 rt.jar - javax.* Package Source Code
2023-08-23, 249035👍, 4💬
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