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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/nio/file/FileStore.java
/* * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.nio.file; import java.nio.file.attribute.*; import java.io.IOException; /** * Storage for files. A {@code FileStore} represents a storage pool, device, * partition, volume, concrete file system or other implementation specific means * of file storage. The {@code FileStore} for where a file is stored is obtained * by invoking the {@link Files#getFileStore getFileStore} method, or all file * stores can be enumerated by invoking the {@link FileSystem#getFileStores * getFileStores} method. * * <p> In addition to the methods defined by this class, a file store may support * one or more {@link FileStoreAttributeView FileStoreAttributeView} classes * that provide a read-only or updatable view of a set of file store attributes. * * @since 1.7 */ public abstract class FileStore { /** * Initializes a new instance of this class. */ protected FileStore() { } /** * Returns the name of this file store. The format of the name is highly * implementation specific. It will typically be the name of the storage * pool or volume. * * <p> The string returned by this method may differ from the string * returned by the {@link Object#toString() toString} method. * * @return the name of this file store */ public abstract String name(); /** * Returns the <em>type</em> of this file store. The format of the string * returned by this method is highly implementation specific. It may * indicate, for example, the format used or if the file store is local * or remote. * * @return a string representing the type of this file store */ public abstract String type(); /** * Tells whether this file store is read-only. A file store is read-only if * it does not support write operations or other changes to files. Any * attempt to create a file, open an existing file for writing etc. causes * an {@code IOException} to be thrown. * * @return {@code true} if, and only if, this file store is read-only */ public abstract boolean isReadOnly(); /** * Returns the size, in bytes, of the file store. * * @return the size of the file store, in bytes * * @throws IOException * if an I/O error occurs */ public abstract long getTotalSpace() throws IOException; /** * Returns the number of bytes available to this Java virtual machine on the * file store. * * <p> The returned number of available bytes is a hint, but not a * guarantee, that it is possible to use most or any of these bytes. The * number of usable bytes is most likely to be accurate immediately * after the space attributes are obtained. It is likely to be made inaccurate * by any external I/O operations including those made on the system outside * of this Java virtual machine. * * @return the number of bytes available * * @throws IOException * if an I/O error occurs */ public abstract long getUsableSpace() throws IOException; /** * Returns the number of unallocated bytes in the file store. * * <p> The returned number of unallocated bytes is a hint, but not a * guarantee, that it is possible to use most or any of these bytes. The * number of unallocated bytes is most likely to be accurate immediately * after the space attributes are obtained. It is likely to be * made inaccurate by any external I/O operations including those made on * the system outside of this virtual machine. * * @return the number of unallocated bytes * * @throws IOException * if an I/O error occurs */ public abstract long getUnallocatedSpace() throws IOException; /** * Tells whether or not this file store supports the file attributes * identified by the given file attribute view. * * <p> Invoking this method to test if the file store supports {@link * BasicFileAttributeView} will always return {@code true}. In the case of * the default provider, this method cannot guarantee to give the correct * result when the file store is not a local storage device. The reasons for * this are implementation specific and therefore unspecified. * * @param type * the file attribute view type * * @return {@code true} if, and only if, the file attribute view is * supported */ public abstract boolean supportsFileAttributeView(Class<? extends FileAttributeView> type); /** * Tells whether or not this file store supports the file attributes * identified by the given file attribute view. * * <p> Invoking this method to test if the file store supports {@link * BasicFileAttributeView}, identified by the name "{@code basic}" will * always return {@code true}. In the case of the default provider, this * method cannot guarantee to give the correct result when the file store is * not a local storage device. The reasons for this are implementation * specific and therefore unspecified. * * @param name * the {@link FileAttributeView#name name} of file attribute view * * @return {@code true} if, and only if, the file attribute view is * supported */ public abstract boolean supportsFileAttributeView(String name); /** * Returns a {@code FileStoreAttributeView} of the given type. * * <p> This method is intended to be used where the file store attribute * view defines type-safe methods to read or update the file store attributes. * The {@code type} parameter is the type of the attribute view required and * the method returns an instance of that type if supported. * * @param <V> * The {@code FileStoreAttributeView} type * @param type * the {@code Class} object corresponding to the attribute view * * @return a file store attribute view of the specified type or * {@code null} if the attribute view is not available */ public abstract <V extends FileStoreAttributeView> V getFileStoreAttributeView(Class<V> type); /** * Reads the value of a file store attribute. * * <p> The {@code attribute} parameter identifies the attribute to be read * and takes the form: * <blockquote> * <i>view-name</i><b>:</b><i>attribute-name</i> * </blockquote> * where the character {@code ':'} stands for itself. * * <p> <i>view-name</i> is the {@link FileStoreAttributeView#name name} of * a {@link FileStore AttributeView} that identifies a set of file attributes. * <i>attribute-name</i> is the name of the attribute. * * <p> <b>Usage Example:</b> * Suppose we want to know if ZFS compression is enabled (assuming the "zfs" * view is supported): * <pre> * boolean compression = (Boolean)fs.getAttribute("zfs:compression"); * </pre> * * @param attribute * the attribute to read * @return the attribute value; {@code null} may be a valid valid for some * attributes * * @throws UnsupportedOperationException * if the attribute view is not available or it does not support * reading the attribute * @throws IOException * if an I/O error occurs */ public abstract Object getAttribute(String attribute) throws IOException; }
⏎ java/nio/file/FileStore.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, 248957👍, 4💬
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