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JRE 8 rt.jar - javax.* 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 javax.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.
✍: FYIcenter
⏎ javax/management/remote/JMXConnectorFactory.java
/* * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package javax.management.remote; import com.sun.jmx.mbeanserver.Util; import java.io.IOException; import java.net.MalformedURLException; import java.util.Collections; import java.util.HashMap; import java.util.Map; import java.util.Iterator; import java.util.ServiceLoader; import java.util.StringTokenizer; import java.security.AccessController; import java.security.PrivilegedAction; import com.sun.jmx.remote.util.ClassLogger; import com.sun.jmx.remote.util.EnvHelp; import sun.reflect.misc.ReflectUtil; /** * <p>Factory to create JMX API connector clients. There * are no instances of this class.</p> * * <p>Connections are usually made using the {@link * #connect(JMXServiceURL) connect} method of this class. More * advanced applications can separate the creation of the connector * client, using {@link #newJMXConnector(JMXServiceURL, Map) * newJMXConnector} and the establishment of the connection itself, using * {@link JMXConnector#connect(Map)}.</p> * * <p>Each client is created by an instance of {@link * JMXConnectorProvider}. This instance is found as follows. Suppose * the given {@link JMXServiceURL} looks like * <code>"service:jmx:<em>protocol</em>:<em>remainder</em>"</code>. * Then the factory will attempt to find the appropriate {@link * JMXConnectorProvider} for <code><em>protocol</em></code>. Each * occurrence of the character <code>+</code> or <code>-</code> in * <code><em>protocol</em></code> is replaced by <code>.</code> or * <code>_</code>, respectively.</p> * * <p>A <em>provider package list</em> is searched for as follows:</p> * * <ol> * * <li>If the <code>environment</code> parameter to {@link * #newJMXConnector(JMXServiceURL, Map) newJMXConnector} contains the * key <code>jmx.remote.protocol.provider.pkgs</code> then the * associated value is the provider package list. * * <li>Otherwise, if the system property * <code>jmx.remote.protocol.provider.pkgs</code> exists, then its value * is the provider package list. * * <li>Otherwise, there is no provider package list. * * </ol> * * <p>The provider package list is a string that is interpreted as a * list of non-empty Java package names separated by vertical bars * (<code>|</code>). If the string is empty, then so is the provider * package list. If the provider package list is not a String, or if * it contains an element that is an empty string, a {@link * JMXProviderException} is thrown.</p> * * <p>If the provider package list exists and is not empty, then for * each element <code><em>pkg</em></code> of the list, the factory * will attempt to load the class * * <blockquote> * <code><em>pkg</em>.<em>protocol</em>.ClientProvider</code> * </blockquote> * <p>If the <code>environment</code> parameter to {@link * #newJMXConnector(JMXServiceURL, Map) newJMXConnector} contains the * key <code>jmx.remote.protocol.provider.class.loader</code> then the * associated value is the class loader to use to load the provider. * If the associated value is not an instance of {@link * java.lang.ClassLoader}, an {@link * java.lang.IllegalArgumentException} is thrown.</p> * * <p>If the <code>jmx.remote.protocol.provider.class.loader</code> * key is not present in the <code>environment</code> parameter, the * calling thread's context class loader is used.</p> * * <p>If the attempt to load this class produces a {@link * ClassNotFoundException}, the search for a handler continues with * the next element of the list.</p> * * <p>Otherwise, a problem with the provider found is signalled by a * {@link JMXProviderException} whose {@link * JMXProviderException#getCause() <em>cause</em>} indicates the underlying * exception, as follows:</p> * * <ul> * * <li>if the attempt to load the class produces an exception other * than <code>ClassNotFoundException</code>, that is the * <em>cause</em>; * * <li>if {@link Class#newInstance()} for the class produces an * exception, that is the <em>cause</em>. * * </ul> * * <p>If no provider is found by the above steps, including the * default case where there is no provider package list, then the * implementation will use its own provider for * <code><em>protocol</em></code>, or it will throw a * <code>MalformedURLException</code> if there is none. An * implementation may choose to find providers by other means. For * example, it may support the <a * href="{@docRoot}/../technotes/guides/jar/jar.html#Service Provider"> * JAR conventions for service providers</a>, where the service * interface is <code>JMXConnectorProvider</code>.</p> * * <p>Every implementation must support the RMI connector protocol with * the default RMI transport, specified with string <code>rmi</code>. * An implementation may optionally support the RMI connector protocol * with the RMI/IIOP transport, specified with the string * <code>iiop</code>.</p> * * <p>Once a provider is found, the result of the * <code>newJMXConnector</code> method is the result of calling {@link * JMXConnectorProvider#newJMXConnector(JMXServiceURL,Map) newJMXConnector} * on the provider.</p> * * <p>The <code>Map</code> parameter passed to the * <code>JMXConnectorProvider</code> is a new read-only * <code>Map</code> that contains all the entries that were in the * <code>environment</code> parameter to {@link * #newJMXConnector(JMXServiceURL,Map) * JMXConnectorFactory.newJMXConnector}, if there was one. * Additionally, if the * <code>jmx.remote.protocol.provider.class.loader</code> key is not * present in the <code>environment</code> parameter, it is added to * the new read-only <code>Map</code>. The associated value is the * calling thread's context class loader.</p> * * @since 1.5 */ public class JMXConnectorFactory { /** * <p>Name of the attribute that specifies the default class * loader. This class loader is used to deserialize return values and * exceptions from remote <code>MBeanServerConnection</code> * calls. The value associated with this attribute is an instance * of {@link ClassLoader}.</p> */ public static final String DEFAULT_CLASS_LOADER = "jmx.remote.default.class.loader"; /** * <p>Name of the attribute that specifies the provider packages * that are consulted when looking for the handler for a protocol. * The value associated with this attribute is a string with * package names separated by vertical bars (<code>|</code>).</p> */ public static final String PROTOCOL_PROVIDER_PACKAGES = "jmx.remote.protocol.provider.pkgs"; /** * <p>Name of the attribute that specifies the class * loader for loading protocol providers. * The value associated with this attribute is an instance * of {@link ClassLoader}.</p> */ public static final String PROTOCOL_PROVIDER_CLASS_LOADER = "jmx.remote.protocol.provider.class.loader"; private static final String PROTOCOL_PROVIDER_DEFAULT_PACKAGE = "com.sun.jmx.remote.protocol"; private static final ClassLogger logger = new ClassLogger("javax.management.remote.misc", "JMXConnectorFactory"); /** There are no instances of this class. */ private JMXConnectorFactory() { } /** * <p>Creates a connection to the connector server at the given * address.</p> * * <p>This method is equivalent to {@link * #connect(JMXServiceURL,Map) connect(serviceURL, null)}.</p> * * @param serviceURL the address of the connector server to * connect to. * * @return a <code>JMXConnector</code> whose {@link * JMXConnector#connect connect} method has been called. * * @exception NullPointerException if <code>serviceURL</code> is null. * * @exception IOException if the connector client or the * connection cannot be made because of a communication problem. * * @exception SecurityException if the connection cannot be made * for security reasons. */ public static JMXConnector connect(JMXServiceURL serviceURL) throws IOException { return connect(serviceURL, null); } /** * <p>Creates a connection to the connector server at the given * address.</p> * * <p>This method is equivalent to:</p> * * <pre> * JMXConnector conn = JMXConnectorFactory.newJMXConnector(serviceURL, * environment); * conn.connect(environment); * </pre> * * @param serviceURL the address of the connector server to connect to. * * @param environment a set of attributes to determine how the * connection is made. This parameter can be null. Keys in this * map must be Strings. The appropriate type of each associated * value depends on the attribute. The contents of * <code>environment</code> are not changed by this call. * * @return a <code>JMXConnector</code> representing the newly-made * connection. Each successful call to this method produces a * different object. * * @exception NullPointerException if <code>serviceURL</code> is null. * * @exception IOException if the connector client or the * connection cannot be made because of a communication problem. * * @exception SecurityException if the connection cannot be made * for security reasons. */ public static JMXConnector connect(JMXServiceURL serviceURL, Map<String,?> environment) throws IOException { if (serviceURL == null) throw new NullPointerException("Null JMXServiceURL"); JMXConnector conn = newJMXConnector(serviceURL, environment); conn.connect(environment); return conn; } private static <K,V> Map<K,V> newHashMap() { return new HashMap<K,V>(); } private static <K> Map<K,Object> newHashMap(Map<K,?> map) { return new HashMap<K,Object>(map); } /** * <p>Creates a connector client for the connector server at the * given address. The resultant client is not connected until its * {@link JMXConnector#connect(Map) connect} method is called.</p> * * @param serviceURL the address of the connector server to connect to. * * @param environment a set of attributes to determine how the * connection is made. This parameter can be null. Keys in this * map must be Strings. The appropriate type of each associated * value depends on the attribute. The contents of * <code>environment</code> are not changed by this call. * * @return a <code>JMXConnector</code> representing the new * connector client. Each successful call to this method produces * a different object. * * @exception NullPointerException if <code>serviceURL</code> is null. * * @exception IOException if the connector client cannot be made * because of a communication problem. * * @exception MalformedURLException if there is no provider for the * protocol in <code>serviceURL</code>. * * @exception JMXProviderException if there is a provider for the * protocol in <code>serviceURL</code> but it cannot be used for * some reason. */ public static JMXConnector newJMXConnector(JMXServiceURL serviceURL, Map<String,?> environment) throws IOException { final Map<String,Object> envcopy; if (environment == null) envcopy = newHashMap(); else { EnvHelp.checkAttributes(environment); envcopy = newHashMap(environment); } final ClassLoader loader = resolveClassLoader(envcopy); final Class<JMXConnectorProvider> targetInterface = JMXConnectorProvider.class; final String protocol = serviceURL.getProtocol(); final String providerClassName = "ClientProvider"; final JMXServiceURL providerURL = serviceURL; JMXConnectorProvider provider = getProvider(providerURL, envcopy, providerClassName, targetInterface, loader); IOException exception = null; if (provider == null) { // Loader is null when context class loader is set to null // and no loader has been provided in map. // com.sun.jmx.remote.util.Service class extracted from j2se // provider search algorithm doesn't handle well null classloader. if (loader != null) { try { JMXConnector connection = getConnectorAsService(loader, providerURL, envcopy); if (connection != null) return connection; } catch (JMXProviderException e) { throw e; } catch (IOException e) { exception = e; } } provider = getProvider(protocol, PROTOCOL_PROVIDER_DEFAULT_PACKAGE, JMXConnectorFactory.class.getClassLoader(), providerClassName, targetInterface); } if (provider == null) { MalformedURLException e = new MalformedURLException("Unsupported protocol: " + protocol); if (exception == null) { throw e; } else { throw EnvHelp.initCause(e, exception); } } final Map<String,Object> fixedenv = Collections.unmodifiableMap(envcopy); return provider.newJMXConnector(serviceURL, fixedenv); } private static String resolvePkgs(Map<String, ?> env) throws JMXProviderException { Object pkgsObject = null; if (env != null) pkgsObject = env.get(PROTOCOL_PROVIDER_PACKAGES); if (pkgsObject == null) pkgsObject = AccessController.doPrivileged(new PrivilegedAction<String>() { public String run() { return System.getProperty(PROTOCOL_PROVIDER_PACKAGES); } }); if (pkgsObject == null) return null; if (!(pkgsObject instanceof String)) { final String msg = "Value of " + PROTOCOL_PROVIDER_PACKAGES + " parameter is not a String: " + pkgsObject.getClass().getName(); throw new JMXProviderException(msg); } final String pkgs = (String) pkgsObject; if (pkgs.trim().equals("")) return null; // pkgs may not contain an empty element if (pkgs.startsWith("|") || pkgs.endsWith("|") || pkgs.indexOf("||") >= 0) { final String msg = "Value of " + PROTOCOL_PROVIDER_PACKAGES + " contains an empty element: " + pkgs; throw new JMXProviderException(msg); } return pkgs; } static <T> T getProvider(JMXServiceURL serviceURL, final Map<String, Object> environment, String providerClassName, Class<T> targetInterface, final ClassLoader loader) throws IOException { final String protocol = serviceURL.getProtocol(); final String pkgs = resolvePkgs(environment); T instance = null; if (pkgs != null) { instance = getProvider(protocol, pkgs, loader, providerClassName, targetInterface); if (instance != null) { boolean needsWrap = (loader != instance.getClass().getClassLoader()); environment.put(PROTOCOL_PROVIDER_CLASS_LOADER, needsWrap ? wrap(loader) : loader); } } return instance; } static <T> Iterator<T> getProviderIterator(final Class<T> providerClass, final ClassLoader loader) { ServiceLoader<T> serviceLoader = ServiceLoader.load(providerClass, loader); return serviceLoader.iterator(); } private static ClassLoader wrap(final ClassLoader parent) { return parent != null ? AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() { @Override public ClassLoader run() { return new ClassLoader(parent) { @Override protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException { ReflectUtil.checkPackageAccess(name); return super.loadClass(name, resolve); } }; } }) : null; } private static JMXConnector getConnectorAsService(ClassLoader loader, JMXServiceURL url, Map<String, ?> map) throws IOException { Iterator<JMXConnectorProvider> providers = getProviderIterator(JMXConnectorProvider.class, loader); JMXConnector connection; IOException exception = null; while (providers.hasNext()) { JMXConnectorProvider provider = providers.next(); try { connection = provider.newJMXConnector(url, map); return connection; } catch (JMXProviderException e) { throw e; } catch (Exception e) { if (logger.traceOn()) logger.trace("getConnectorAsService", "URL[" + url + "] Service provider exception: " + e); if (!(e instanceof MalformedURLException)) { if (exception == null) { if (e instanceof IOException) { exception = (IOException) e; } else { exception = EnvHelp.initCause( new IOException(e.getMessage()), e); } } } continue; } } if (exception == null) return null; else throw exception; } static <T> T getProvider(String protocol, String pkgs, ClassLoader loader, String providerClassName, Class<T> targetInterface) throws IOException { StringTokenizer tokenizer = new StringTokenizer(pkgs, "|"); while (tokenizer.hasMoreTokens()) { String pkg = tokenizer.nextToken(); String className = (pkg + "." + protocol2package(protocol) + "." + providerClassName); Class<?> providerClass; try { providerClass = Class.forName(className, true, loader); } catch (ClassNotFoundException e) { //Add trace. continue; } if (!targetInterface.isAssignableFrom(providerClass)) { final String msg = "Provider class does not implement " + targetInterface.getName() + ": " + providerClass.getName(); throw new JMXProviderException(msg); } // We have just proved that this cast is correct Class<? extends T> providerClassT = Util.cast(providerClass); try { return providerClassT.newInstance(); } catch (Exception e) { final String msg = "Exception when instantiating provider [" + className + "]"; throw new JMXProviderException(msg, e); } } return null; } static ClassLoader resolveClassLoader(Map<String, ?> environment) { ClassLoader loader = null; if (environment != null) { try { loader = (ClassLoader) environment.get(PROTOCOL_PROVIDER_CLASS_LOADER); } catch (ClassCastException e) { final String msg = "The ClassLoader supplied in the environment map using " + "the " + PROTOCOL_PROVIDER_CLASS_LOADER + " attribute is not an instance of java.lang.ClassLoader"; throw new IllegalArgumentException(msg); } } if (loader == null) { loader = Thread.currentThread().getContextClassLoader(); } return loader; } private static String protocol2package(String protocol) { return protocol.replace('+', '.').replace('-', '_'); } }
⏎ javax/management/remote/JMXConnectorFactory.java
Or download all of them as a single archive file:
File name: jre-rt-javax-1.8.0_191-src.zip File size: 5381005 bytes Release date: 2018-10-28 Download
⇒ JRE 8 rt.jar - org.* Package Source Code
2023-02-07, 190801👍, 5💬
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