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* java/io/ObjectInputStream.java (resolveProxyClass): New method from Classpath. * Makefile.in: Rebuilt. * Makefile.am (rmi_java_source_files): Added new files. * gnu/java/rmi/RMIMarshalledObjectInputStream.java, gnu/java/rmi/RMIMarshalledObjectOutputStream.java, gnu/java/rmi/server/ConnectionRunnerPool.java: New files from Classpath. * gnu/java/rmi/dgc/DGCImpl.java, gnu/java/rmi/dgc/DGCImpl_Skel.java, gnu/java/rmi/dgc/DGCImpl_Stub.java, gnu/java/rmi/registry/RegistryImpl_Skel.java, gnu/java/rmi/registry/RegistryImpl_Stub.java, gnu/java/rmi/server/RMIHashes.java, gnu/java/rmi/server/RMIObjectInputStream.java, gnu/java/rmi/server/RMIObjectOutputStream.java, gnu/java/rmi/server/UnicastConnection.java, gnu/java/rmi/server/UnicastConnectionManager.java, gnu/java/rmi/server/UnicastRef.java, gnu/java/rmi/server/UnicastServer.java, gnu/java/rmi/server/UnicastServerRef.java, java/rmi/MarshalledObject.java, java/rmi/server/RMIClassLoader.java, java/rmi/server/RemoteObject.java, java/rmi/server/UnicastRemoteObject.java, java/security/SecureClassLoader.java: Merged from Classpath. From-SVN: r57675
205 lines
6.1 KiB
Java
205 lines
6.1 KiB
Java
/* RMIClassLoader.java
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Copyright (c) 1996, 1997, 1998, 1999, 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.rmi.server;
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import java.net.URL;
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import java.net.URLConnection;
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import java.net.URLClassLoader;
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import java.io.IOException;
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import java.io.DataInputStream;
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import java.net.MalformedURLException;
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import java.util.StringTokenizer;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Map;
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import java.util.WeakHashMap;
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import java.util.ArrayList;
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public class RMIClassLoader
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{
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static private class MyClassLoader extends URLClassLoader
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{
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private MyClassLoader(URL[] urls, ClassLoader parent)
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{
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super (urls, parent);
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}
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Class defineClass(String name, byte[] data)
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{
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return defineClass(name, data, 0, data.length);
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}
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}
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private static Map cacheLoaders; //map annotations to loaders
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private static Map cacheClasses; //map loader to classes that the loader loaded+
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private static String defaultAnnotation;
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private static URL defaultCodebase;
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private static MyClassLoader defaultLoader;
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static
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{
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cacheLoaders = Collections.synchronizedMap(new WeakHashMap(5));
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cacheClasses = Collections.synchronizedMap(new WeakHashMap(5));
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defaultAnnotation = System.getProperty("java.rmi.server.defaultAnnotation");
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try
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{
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if (defaultAnnotation != null)
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defaultCodebase = new URL(defaultAnnotation);
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}
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catch(Exception _)
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{
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defaultCodebase = null;
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}
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if (defaultCodebase != null)
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{
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defaultLoader = new MyClassLoader(new URL[]{ defaultCodebase },
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Thread.currentThread().getContextClassLoader());
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cacheLoaders.put(defaultAnnotation, defaultLoader);
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cacheClasses.put(defaultLoader, Collections.synchronizedMap(new WeakHashMap()));
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}
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}
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/**
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* @deprecated
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*/
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public static Class loadClass(String name)
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throws MalformedURLException, ClassNotFoundException
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{
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return (loadClass("", name));
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}
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public static Class loadClass(URL codebase, String name)
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throws MalformedURLException, ClassNotFoundException
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{
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URL u = new URL(codebase, name + ".class");
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try
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{
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URLConnection conn = u.openConnection();
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DataInputStream strm = new DataInputStream(conn.getInputStream());
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byte data[] = new byte[conn.getContentLength()];
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strm.readFully(data);
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return (defaultLoader.defineClass(name, data));
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}
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catch (IOException _)
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{
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throw new ClassNotFoundException(name);
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}
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}
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public static Class loadClass(String codebases, String name)
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throws MalformedURLException, ClassNotFoundException
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{
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ClassLoader loader = (ClassLoader)cacheLoaders.get(codebases);
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if (loader == null)
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{
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if (codebases != "")
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{
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//codebases are separated by " "
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StringTokenizer tok = new StringTokenizer(codebases, " ");
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ArrayList urls = new ArrayList();
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while (tok.hasMoreTokens())
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urls.add(new URL(tok.nextToken()));
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loader = new MyClassLoader((URL[])urls.toArray(new URL[urls.size()]),
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Thread.currentThread().getContextClassLoader());
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cacheLoaders.put(codebases, loader);
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cacheClasses.put(loader, Collections.synchronizedMap(new WeakHashMap()));
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}
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else
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{
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//if codebases is empty, construct a classloader
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// based on current context classloader,
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// and we won't cache classloader for empty codebases
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loader = new MyClassLoader(new URL[]{ defaultCodebase },
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Thread.currentThread().getContextClassLoader());
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}
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}
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Class c = null;
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Map classes = (Map)cacheClasses.get(loader);
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if (classes != null)
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{
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c = (Class)classes.get(name);
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if (c == null)
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{
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c = loader.loadClass(name);
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classes.put(name, c);
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}
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}else
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c = loader.loadClass(name);
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return c;
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}
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public static String getClassAnnotation(Class cl)
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{
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ClassLoader loader = cl.getClassLoader();
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if (loader == null)
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{
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if (defaultCodebase != null)
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return defaultCodebase.toExternalForm();
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else
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return null;
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}
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if (loader instanceof URLClassLoader)
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{
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URL[] urls = ((URLClassLoader)loader).getURLs();
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if(urls.length == 0)
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return null;
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StringBuffer annotation = new StringBuffer(urls[0].toExternalForm());
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for(int i = 1; i < urls.length; i++)
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{
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annotation.append(' ');
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annotation.append(urls[i].toExternalForm());
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}
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return annotation.toString();
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}
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return null;
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}
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/**
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* @deprecated
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*/
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public static Object getSecurityContext(ClassLoader loader)
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{
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throw new Error("Not implemented");
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}
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}
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