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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/MarshalledObject.java
/* * Copyright (c) 1997, 2021, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.rmi; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.ObjectInputFilter; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.ObjectStreamConstants; import java.io.OutputStream; import java.io.Serializable; import java.security.AccessController; import java.security.PrivilegedAction; import sun.rmi.server.MarshalInputStream; import sun.rmi.server.MarshalOutputStream; /** * A <code>MarshalledObject</code> contains a byte stream with the serialized * representation of an object given to its constructor. The <code>get</code> * method returns a new copy of the original object, as deserialized from * the contained byte stream. The contained object is serialized and * deserialized with the same serialization semantics used for marshaling * and unmarshaling parameters and return values of RMI calls: When the * serialized form is created: * * <ul> * <li> classes are annotated with a codebase URL from where the class * can be loaded (if available), and * <li> any remote object in the <code>MarshalledObject</code> is * represented by a serialized instance of its stub. * </ul> * * <p>When copy of the object is retrieved (via the <code>get</code> method), * if the class is not available locally, it will be loaded from the * appropriate location (specified the URL annotated with the class descriptor * when the class was serialized. * * <p><code>MarshalledObject</code> facilitates passing objects in RMI calls * that are not automatically deserialized immediately by the remote peer. * * @param <T> the type of the object contained in this * <code>MarshalledObject</code> * * @author Ann Wollrath * @author Peter Jones * @since 1.2 */ public final class MarshalledObject<T> implements Serializable { /** * @serial Bytes of serialized representation. If <code>objBytes</code> is * <code>null</code> then the object marshalled was a <code>null</code> * reference. */ private byte[] objBytes = null; /** * @serial Bytes of location annotations, which are ignored by * <code>equals</code>. If <code>locBytes</code> is null, there were no * non-<code>null</code> annotations during marshalling. */ private byte[] locBytes = null; /** * @serial Stored hash code of contained object. * * @see #hashCode */ private int hash; /** Filter used when creating the instance from a stream; may be null. */ private transient ObjectInputFilter objectInputFilter = null; /** Indicate compatibility with 1.2 version of class. */ private static final long serialVersionUID = 8988374069173025854L; /** * Creates a new <code>MarshalledObject</code> that contains the * serialized representation of the current state of the supplied object. * The object is serialized with the semantics used for marshaling * parameters for RMI calls. * * @param obj the object to be serialized (must be serializable) * @throws IOException if an <code>IOException</code> occurs; an * <code>IOException</code> may occur if <code>obj</code> is not * serializable. * @since 1.2 */ public MarshalledObject(T obj) throws IOException { if (obj == null) { hash = 13; return; } ByteArrayOutputStream bout = new ByteArrayOutputStream(); ByteArrayOutputStream lout = new ByteArrayOutputStream(); MarshalledObjectOutputStream out = new MarshalledObjectOutputStream(bout, lout); out.writeObject(obj); out.flush(); objBytes = bout.toByteArray(); // locBytes is null if no annotations locBytes = (out.hadAnnotations() ? lout.toByteArray() : null); /* * Calculate hash from the marshalled representation of object * so the hashcode will be comparable when sent between VMs. */ int h = 0; for (int i = 0; i < objBytes.length; i++) { h = 31 * h + objBytes[i]; } hash = h; } /** * Reads in the state of the object and saves the stream's * serialization filter to be used when the object is deserialized. * * @param stream the stream * @throws IOException if an I/O error occurs * @throws ClassNotFoundException if a class cannot be found */ private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException { stream.defaultReadObject(); // read in all fields objectInputFilter = stream.getObjectInputFilter(); } /** * Returns a new copy of the contained marshalledobject. The internal * representation is deserialized with the semantics used for * unmarshaling parameters for RMI calls. * If the MarshalledObject was read from an ObjectInputStream, * the filter from that stream is used to deserialize the object. * * @return a copy of the contained object * @throws IOException if an <code>IOException</code> occurs while * deserializing the object from its internal representation. * @throws ClassNotFoundException if a * <code>ClassNotFoundException</code> occurs while deserializing * the object from its internal representation. * could not be found * @since 1.2 */ public T get() throws IOException, ClassNotFoundException { if (objBytes == null) // must have been a null object return null; ByteArrayInputStream bin = new ByteArrayInputStream(objBytes); // locBytes is null if no annotations ByteArrayInputStream lin = (locBytes == null ? null : new ByteArrayInputStream(locBytes)); MarshalledObjectInputStream in = new MarshalledObjectInputStream(bin, lin, objectInputFilter); @SuppressWarnings("unchecked") T obj = (T) in.readObject(); in.close(); return obj; } /** * Return a hash code for this <code>MarshalledObject</code>. * * @return a hash code */ public int hashCode() { return hash; } /** * Compares this <code>MarshalledObject</code> to another object. * Returns true if and only if the argument refers to a * <code>MarshalledObject</code> that contains exactly the same * serialized representation of an object as this one does. The * comparison ignores any class codebase annotation, meaning that * two objects are equivalent if they have the same serialized * representation <i>except</i> for the codebase of each class * in the serialized representation. * * @param obj the object to compare with this <code>MarshalledObject</code> * @return <code>true</code> if the argument contains an equivalent * serialized object; <code>false</code> otherwise * @since 1.2 */ public boolean equals(Object obj) { if (obj == this) return true; if (obj != null && obj instanceof MarshalledObject) { MarshalledObject<?> other = (MarshalledObject<?>) obj; // if either is a ref to null, both must be if (objBytes == null || other.objBytes == null) return objBytes == other.objBytes; // quick, easy test if (objBytes.length != other.objBytes.length) return false; //!! There is talk about adding an array comparision method //!! at 1.2 -- if so, this should be rewritten. -arnold for (int i = 0; i < objBytes.length; ++i) { if (objBytes[i] != other.objBytes[i]) return false; } return true; } else { return false; } } /** * This class is used to marshal objects for * <code>MarshalledObject</code>. It places the location annotations * to one side so that two <code>MarshalledObject</code>s can be * compared for equality if they differ only in location * annotations. Objects written using this stream should be read back * from a <code>MarshalledObjectInputStream</code>. * * @see java.rmi.MarshalledObject * @see MarshalledObjectInputStream */ private static class MarshalledObjectOutputStream extends MarshalOutputStream { /** The stream on which location objects are written. */ private ObjectOutputStream locOut; /** <code>true</code> if non-<code>null</code> annotations are * written. */ private boolean hadAnnotations; /** * Creates a new <code>MarshalledObjectOutputStream</code> whose * non-location bytes will be written to <code>objOut</code> and whose * location annotations (if any) will be written to * <code>locOut</code>. */ MarshalledObjectOutputStream(OutputStream objOut, OutputStream locOut) throws IOException { super(objOut); this.useProtocolVersion(ObjectStreamConstants.PROTOCOL_VERSION_2); this.locOut = new ObjectOutputStream(locOut); hadAnnotations = false; } /** * Returns <code>true</code> if any non-<code>null</code> location * annotations have been written to this stream. */ boolean hadAnnotations() { return hadAnnotations; } /** * Overrides MarshalOutputStream.writeLocation implementation to write * annotations to the location stream. */ protected void writeLocation(String loc) throws IOException { hadAnnotations |= (loc != null); locOut.writeObject(loc); } public void flush() throws IOException { super.flush(); locOut.flush(); } } /** * The counterpart to <code>MarshalledObjectOutputStream</code>. * * @see MarshalledObjectOutputStream */ private static class MarshalledObjectInputStream extends MarshalInputStream { /** * The stream from which annotations will be read. If this is * <code>null</code>, then all annotations were <code>null</code>. */ private ObjectInputStream locIn; /** * Creates a new <code>MarshalledObjectInputStream</code> that * reads its objects from <code>objIn</code> and annotations * from <code>locIn</code>. If <code>locIn</code> is * <code>null</code>, then all annotations will be * <code>null</code>. */ @SuppressWarnings("removal") MarshalledObjectInputStream(InputStream objIn, InputStream locIn, ObjectInputFilter filter) throws IOException { super(objIn); this.locIn = (locIn == null ? null : new ObjectInputStream(locIn)); if (filter != null) { AccessController.doPrivileged((PrivilegedAction<Void>) () -> { MarshalledObjectInputStream.this.setObjectInputFilter(filter); if (MarshalledObjectInputStream.this.locIn != null) { MarshalledObjectInputStream.this.locIn.setObjectInputFilter(filter); } return null; }); } } /** * Overrides MarshalInputStream.readLocation to return locations from * the stream we were given, or <code>null</code> if we were given a * <code>null</code> location stream. */ protected Object readLocation() throws IOException, ClassNotFoundException { return (locIn == null ? null : locIn.readObject()); } } }
⏎ java/rmi/MarshalledObject.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, 10025👍, 0💬
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