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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/net/Authenticator.java
/* * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.net; /** * The class Authenticator represents an object that knows how to obtain * authentication for a network connection. Usually, it will do this * by prompting the user for information. * <p> * Applications use this class by overriding {@link * #getPasswordAuthentication()} in a sub-class. This method will * typically use the various getXXX() accessor methods to get information * about the entity requesting authentication. It must then acquire a * username and password either by interacting with the user or through * some other non-interactive means. The credentials are then returned * as a {@link PasswordAuthentication} return value. * <p> * An instance of this concrete sub-class is then registered * with the system by calling {@link #setDefault(Authenticator)}. * When authentication is required, the system will invoke one of the * requestPasswordAuthentication() methods which in turn will call the * getPasswordAuthentication() method of the registered object. * <p> * All methods that request authentication have a default implementation * that fails. * * @see java.net.Authenticator#setDefault(java.net.Authenticator) * @see java.net.Authenticator#getPasswordAuthentication() * * @author Bill Foote * @since 1.2 */ // There are no abstract methods, but to be useful the user must // subclass. public abstract class Authenticator { // The system-wide authenticator object. See setDefault(). private static Authenticator theAuthenticator; private String requestingHost; private InetAddress requestingSite; private int requestingPort; private String requestingProtocol; private String requestingPrompt; private String requestingScheme; private URL requestingURL; private RequestorType requestingAuthType; /** * The type of the entity requesting authentication. * * @since 1.5 */ public enum RequestorType { /** * Entity requesting authentication is a HTTP proxy server. */ PROXY, /** * Entity requesting authentication is a HTTP origin server. */ SERVER } private void reset() { requestingHost = null; requestingSite = null; requestingPort = -1; requestingProtocol = null; requestingPrompt = null; requestingScheme = null; requestingURL = null; requestingAuthType = RequestorType.SERVER; } /** * Sets the authenticator that will be used by the networking code * when a proxy or an HTTP server asks for authentication. * <p> * First, if there is a security manager, its {@code checkPermission} * method is called with a * {@code NetPermission("setDefaultAuthenticator")} permission. * This may result in a java.lang.SecurityException. * * @param a The authenticator to be set. If a is {@code null} then * any previously set authenticator is removed. * * @throws SecurityException * if a security manager exists and its * {@code checkPermission} method doesn't allow * setting the default authenticator. * * @see SecurityManager#checkPermission * @see java.net.NetPermission */ public synchronized static void setDefault(Authenticator a) { SecurityManager sm = System.getSecurityManager(); if (sm != null) { NetPermission setDefaultPermission = new NetPermission("setDefaultAuthenticator"); sm.checkPermission(setDefaultPermission); } theAuthenticator = a; } /** * Ask the authenticator that has been registered with the system * for a password. * <p> * First, if there is a security manager, its {@code checkPermission} * method is called with a * {@code NetPermission("requestPasswordAuthentication")} permission. * This may result in a java.lang.SecurityException. * * @param addr The InetAddress of the site requesting authorization, * or null if not known. * @param port the port for the requested connection * @param protocol The protocol that's requesting the connection * ({@link java.net.Authenticator#getRequestingProtocol()}) * @param prompt A prompt string for the user * @param scheme The authentication scheme * * @return The username/password, or null if one can't be gotten. * * @throws SecurityException * if a security manager exists and its * {@code checkPermission} method doesn't allow * the password authentication request. * * @see SecurityManager#checkPermission * @see java.net.NetPermission */ public static PasswordAuthentication requestPasswordAuthentication( InetAddress addr, int port, String protocol, String prompt, String scheme) { SecurityManager sm = System.getSecurityManager(); if (sm != null) { NetPermission requestPermission = new NetPermission("requestPasswordAuthentication"); sm.checkPermission(requestPermission); } Authenticator a = theAuthenticator; if (a == null) { return null; } else { synchronized(a) { a.reset(); a.requestingSite = addr; a.requestingPort = port; a.requestingProtocol = protocol; a.requestingPrompt = prompt; a.requestingScheme = scheme; return a.getPasswordAuthentication(); } } } /** * Ask the authenticator that has been registered with the system * for a password. This is the preferred method for requesting a password * because the hostname can be provided in cases where the InetAddress * is not available. * <p> * First, if there is a security manager, its {@code checkPermission} * method is called with a * {@code NetPermission("requestPasswordAuthentication")} permission. * This may result in a java.lang.SecurityException. * * @param host The hostname of the site requesting authentication. * @param addr The InetAddress of the site requesting authentication, * or null if not known. * @param port the port for the requested connection. * @param protocol The protocol that's requesting the connection * ({@link java.net.Authenticator#getRequestingProtocol()}) * @param prompt A prompt string for the user which identifies the authentication realm. * @param scheme The authentication scheme * * @return The username/password, or null if one can't be gotten. * * @throws SecurityException * if a security manager exists and its * {@code checkPermission} method doesn't allow * the password authentication request. * * @see SecurityManager#checkPermission * @see java.net.NetPermission * @since 1.4 */ public static PasswordAuthentication requestPasswordAuthentication( String host, InetAddress addr, int port, String protocol, String prompt, String scheme) { SecurityManager sm = System.getSecurityManager(); if (sm != null) { NetPermission requestPermission = new NetPermission("requestPasswordAuthentication"); sm.checkPermission(requestPermission); } Authenticator a = theAuthenticator; if (a == null) { return null; } else { synchronized(a) { a.reset(); a.requestingHost = host; a.requestingSite = addr; a.requestingPort = port; a.requestingProtocol = protocol; a.requestingPrompt = prompt; a.requestingScheme = scheme; return a.getPasswordAuthentication(); } } } /** * Ask the authenticator that has been registered with the system * for a password. * <p> * First, if there is a security manager, its {@code checkPermission} * method is called with a * {@code NetPermission("requestPasswordAuthentication")} permission. * This may result in a java.lang.SecurityException. * * @param host The hostname of the site requesting authentication. * @param addr The InetAddress of the site requesting authorization, * or null if not known. * @param port the port for the requested connection * @param protocol The protocol that's requesting the connection * ({@link java.net.Authenticator#getRequestingProtocol()}) * @param prompt A prompt string for the user * @param scheme The authentication scheme * @param url The requesting URL that caused the authentication * @param reqType The type (server or proxy) of the entity requesting * authentication. * * @return The username/password, or null if one can't be gotten. * * @throws SecurityException * if a security manager exists and its * {@code checkPermission} method doesn't allow * the password authentication request. * * @see SecurityManager#checkPermission * @see java.net.NetPermission * * @since 1.5 */ public static PasswordAuthentication requestPasswordAuthentication( String host, InetAddress addr, int port, String protocol, String prompt, String scheme, URL url, RequestorType reqType) { SecurityManager sm = System.getSecurityManager(); if (sm != null) { NetPermission requestPermission = new NetPermission("requestPasswordAuthentication"); sm.checkPermission(requestPermission); } Authenticator a = theAuthenticator; if (a == null) { return null; } else { synchronized(a) { a.reset(); a.requestingHost = host; a.requestingSite = addr; a.requestingPort = port; a.requestingProtocol = protocol; a.requestingPrompt = prompt; a.requestingScheme = scheme; a.requestingURL = url; a.requestingAuthType = reqType; return a.getPasswordAuthentication(); } } } /** * Gets the {@code hostname} of the * site or proxy requesting authentication, or {@code null} * if not available. * * @return the hostname of the connection requiring authentication, or null * if it's not available. * @since 1.4 */ protected final String getRequestingHost() { return requestingHost; } /** * Gets the {@code InetAddress} of the * site requesting authorization, or {@code null} * if not available. * * @return the InetAddress of the site requesting authorization, or null * if it's not available. */ protected final InetAddress getRequestingSite() { return requestingSite; } /** * Gets the port number for the requested connection. * @return an {@code int} indicating the * port for the requested connection. */ protected final int getRequestingPort() { return requestingPort; } /** * Give the protocol that's requesting the connection. Often this * will be based on a URL, but in a future JDK it could be, for * example, "SOCKS" for a password-protected SOCKS5 firewall. * * @return the protocol, optionally followed by "/version", where * version is a version number. * * @see java.net.URL#getProtocol() */ protected final String getRequestingProtocol() { return requestingProtocol; } /** * Gets the prompt string given by the requestor. * * @return the prompt string given by the requestor (realm for * http requests) */ protected final String getRequestingPrompt() { return requestingPrompt; } /** * Gets the scheme of the requestor (the HTTP scheme * for an HTTP firewall, for example). * * @return the scheme of the requestor * */ protected final String getRequestingScheme() { return requestingScheme; } /** * Called when password authorization is needed. Subclasses should * override the default implementation, which returns null. * @return The PasswordAuthentication collected from the * user, or null if none is provided. */ protected PasswordAuthentication getPasswordAuthentication() { return null; } /** * Returns the URL that resulted in this * request for authentication. * * @since 1.5 * * @return the requesting URL * */ protected URL getRequestingURL () { return requestingURL; } /** * Returns whether the requestor is a Proxy or a Server. * * @since 1.5 * * @return the authentication type of the requestor * */ protected RequestorType getRequestorType () { return requestingAuthType; } }
⏎ java/net/Authenticator.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, 247547👍, 4💬
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