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JDK 17 java.rmi.jmod - RMI Module
JDK 17 java.rmi.jmod is the JMOD file for JDK 17 RMI (Remote Method Invocation) module.
JDK 17 RMI module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.rmi.jmod.
JDK 17 RMI module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 RMI module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.rmi.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ java/rmi/server/RemoteObjectInvocationHandler.java
/* * Copyright (c) 2003, 2021, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.rmi.server; import java.io.InvalidObjectException; import java.lang.reflect.InvocationHandler; import java.lang.reflect.Method; import java.lang.reflect.Proxy; import java.rmi.Remote; import java.rmi.RemoteException; import java.rmi.UnexpectedException; import java.util.Map; import java.util.WeakHashMap; import sun.rmi.server.Util; import sun.rmi.server.WeakClassHashMap; /** * An implementation of the <code>InvocationHandler</code> interface for * use with Java Remote Method Invocation (Java RMI). This invocation * handler can be used in conjunction with a dynamic proxy instance as a * replacement for a pregenerated stub class. * * <p>Applications are not expected to use this class directly. A remote * object exported to use a dynamic proxy with {@link UnicastRemoteObject} * has an instance of this class as that proxy's invocation handler. * * @author Ann Wollrath * @since 1.5 **/ public class RemoteObjectInvocationHandler extends RemoteObject implements InvocationHandler { private static final long serialVersionUID = 2L; /** * A weak hash map, mapping classes to weak hash maps that map * method objects to method hashes. **/ private static final MethodToHash_Maps methodToHash_Maps = new MethodToHash_Maps(); /** * Creates a new <code>RemoteObjectInvocationHandler</code> constructed * with the specified <code>RemoteRef</code>. * * @param ref the remote ref * * @throws NullPointerException if <code>ref</code> is <code>null</code> **/ public RemoteObjectInvocationHandler(RemoteRef ref) { super(ref); if (ref == null) { throw new NullPointerException(); } } /** * Processes a method invocation made on the encapsulating * proxy instance, <code>proxy</code>, and returns the result. * * <p><code>RemoteObjectInvocationHandler</code> implements this method * as follows: * * <p>If <code>method</code> is one of the following methods, it * is processed as described below: * * <ul> * * <li>{@link Object#hashCode Object.hashCode}: Returns the hash * code value for the proxy. * * <li>{@link Object#equals Object.equals}: Returns <code>true</code> * if the argument (<code>args[0]</code>) is an instance of a dynamic * proxy class and this invocation handler is equal to the invocation * handler of that argument, and returns <code>false</code> otherwise. * * <li>{@link Object#toString Object.toString}: Returns a string * representation of the proxy. * </ul> * * <p>If <code>method</code> overrides {@link Object#finalize Object.finalize}, * it is ignored. * * <p>Otherwise, a remote call is made as follows: * * <ul> * <li>If <code>proxy</code> is not an instance of the interface * {@link Remote}, then an {@link IllegalArgumentException} is thrown. * * <li>Otherwise, the {@link RemoteRef#invoke invoke} method is invoked * on this invocation handler's <code>RemoteRef</code>, passing * <code>proxy</code>, <code>method</code>, <code>args</code>, and the * method hash (defined in section 8.3 of the "Java Remote Method * Invocation (RMI) Specification") for <code>method</code>, and the * result is returned. * * <li>If an exception is thrown by <code>RemoteRef.invoke</code> and * that exception is a checked exception that is not assignable to any * exception in the <code>throws</code> clause of the method * implemented by the <code>proxy</code>'s class, then that exception * is wrapped in an {@link UnexpectedException} and the wrapped * exception is thrown. Otherwise, the exception thrown by * <code>invoke</code> is thrown by this method. * </ul> * * <p>The semantics of this method are unspecified if the * arguments could not have been produced by an instance of some * valid dynamic proxy class containing this invocation handler. * * @param proxy the proxy instance that the method was invoked on * @param method the <code>Method</code> instance corresponding to the * interface method invoked on the proxy instance * @param args an array of objects containing the values of the * arguments passed in the method invocation on the proxy instance, or * <code>null</code> if the method takes no arguments * @return the value to return from the method invocation on the proxy * instance * @throws Throwable the exception to throw from the method invocation * on the proxy instance **/ public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { if (! Proxy.isProxyClass(proxy.getClass())) { throw new IllegalArgumentException("not a proxy"); } if (Proxy.getInvocationHandler(proxy) != this) { throw new IllegalArgumentException("handler mismatch"); } if (method.getDeclaringClass() == Object.class) { return invokeObjectMethod(proxy, method, args); } else if ("finalize".equals(method.getName()) && method.getParameterCount() == 0) { return null; // ignore } else { return invokeRemoteMethod(proxy, method, args); } } /** * Handles java.lang.Object methods. **/ private Object invokeObjectMethod(Object proxy, Method method, Object[] args) { String name = method.getName(); if (name.equals("hashCode")) { return hashCode(); } else if (name.equals("equals")) { Object obj = args[0]; InvocationHandler hdlr; return proxy == obj || (obj != null && Proxy.isProxyClass(obj.getClass()) && (hdlr = Proxy.getInvocationHandler(obj)) instanceof RemoteObjectInvocationHandler && this.equals(hdlr)); } else if (name.equals("toString")) { return proxyToString(proxy); } else { throw new IllegalArgumentException( "unexpected Object method: " + method); } } /** * Handles remote methods. **/ private Object invokeRemoteMethod(Object proxy, Method method, Object[] args) throws Exception { try { if (!(proxy instanceof Remote)) { throw new IllegalArgumentException( "proxy not Remote instance"); } // Verify that the method is declared on an interface that extends Remote Class<?> decl = method.getDeclaringClass(); if (!Remote.class.isAssignableFrom(decl)) { throw new RemoteException("Method is not Remote: " + decl + "::" + method); } return ref.invoke((Remote) proxy, method, args, getMethodHash(method)); } catch (Exception e) { if (!(e instanceof RuntimeException)) { Class<?> cl = proxy.getClass(); try { method = cl.getMethod(method.getName(), method.getParameterTypes()); } catch (NoSuchMethodException nsme) { throw (IllegalArgumentException) new IllegalArgumentException().initCause(nsme); } Class<?> thrownType = e.getClass(); for (Class<?> declaredType : method.getExceptionTypes()) { if (declaredType.isAssignableFrom(thrownType)) { throw e; } } e = new UnexpectedException("unexpected exception", e); } throw e; } } /** * Returns a string representation for a proxy that uses this invocation * handler. **/ private String proxyToString(Object proxy) { Class<?>[] interfaces = proxy.getClass().getInterfaces(); if (interfaces.length == 0) { return "Proxy[" + this + "]"; } String iface = interfaces[0].getName(); if (iface.equals("java.rmi.Remote") && interfaces.length > 1) { iface = interfaces[1].getName(); } int dot = iface.lastIndexOf('.'); if (dot >= 0) { iface = iface.substring(dot + 1); } return "Proxy[" + iface + "," + this + "]"; } /** * @throws InvalidObjectException unconditionally **/ private void readObjectNoData() throws InvalidObjectException { throw new InvalidObjectException("no data in stream; class: " + this.getClass().getName()); } /** * Returns the method hash for the specified method. Subsequent calls * to "getMethodHash" passing the same method argument should be faster * since this method caches internally the result of the method to * method hash mapping. The method hash is calculated using the * "computeMethodHash" method. * * @param method the remote method * @return the method hash for the specified method */ private static long getMethodHash(Method method) { return methodToHash_Maps.get(method.getDeclaringClass()).get(method); } /** * A weak hash map, mapping classes to weak hash maps that map * method objects to method hashes. **/ private static class MethodToHash_Maps extends WeakClassHashMap<Map<Method,Long>> { MethodToHash_Maps() {} protected Map<Method,Long> computeValue(Class<?> remoteClass) { return new WeakHashMap<Method,Long>() { public synchronized Long get(Object key) { Long hash = super.get(key); if (hash == null) { Method method = (Method) key; hash = Util.computeMethodHash(method); put(method, hash); } return hash; } }; } } }
⏎ java/rmi/server/RemoteObjectInvocationHandler.java
Or download all of them as a single archive file:
File name: java.rmi-17.0.5-src.zip File size: 220001 bytes Release date: 2022-09-13 Download
⇒ JDK 17 java.scripting.jmod - Scripting Module
2023-11-06, 9977👍, 0💬
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