- /*
- * @(#)JDKBridge.java 1.97 03/01/23
- *
- * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
- /*
- * Licensed Materials - Property of IBM
- * RMI-IIOP v1.0
- * Copyright IBM Corp. 1998 1999 All Rights Reserved
- *
- * US Government Users Restricted Rights - Use, duplication or
- * disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
- */
-
- package com.sun.corba.se.internal.util;
-
- import java.rmi.Remote;
- import java.rmi.NoSuchObjectException;
- import java.rmi.server.RMIClassLoader;
- import java.rmi.server.UnicastRemoteObject;
- import org.omg.CORBA.BAD_PARAM;
- import org.omg.CORBA.CompletionStatus;
- import com.sun.corba.se.internal.io.LibraryManager;
- import java.util.Properties;
- import java.io.File;
- import java.io.FileInputStream;
- import java.security.AccessController;
- import java.security.PrivilegedAction;
- import java.net.MalformedURLException;
- import sun.security.action.GetPropertyAction;
-
- /**
- * Utility methods for doing various method calls which are used
- * by multiple classes
- */
- public class JDKBridge {
-
- /**
- * Get local codebase System property (java.rmi.server.codebase).
- * May be null or a space separated array of URLS.
- */
- public static String getLocalCodebase () {
- return localCodebase;
- }
-
- /**
- * Return true if the system property "java.rmi.server.useCodebaseOnly"
- * is set, false otherwise.
- */
- public static boolean useCodebaseOnly () {
- return useCodebaseOnly;
- }
-
- /**
- * Returns a class instance for the specified class.
- * @param className the name of the class
- * @param remoteCodebase a space-separated array of urls at which
- * the class might be found. May be null.
- * @param loader a ClassLoader who may be used to
- * load the class if all other methods fail.
- * @return the <code>Class</code> object representing the loaded class.
- * @exception throws ClassNotFoundException if class cannot be loaded.
- */
- public static Class loadClass (String className,
- String remoteCodebase,
- ClassLoader loader)
- throws ClassNotFoundException {
-
- // Make sure we've loaded the native code so that we can
- // use JDKClassLoader. Do this here rather than at static
- // init time to ensure that we only do it when needed...
-
- if (!libraryLoaded) {
- LibraryManager.load();
- libraryLoaded = true;
- }
-
- if (loader == null) {
- return loadClassM(className,remoteCodebase,useCodebaseOnly);
- } else {
- try {
- return loadClassM(className,remoteCodebase,useCodebaseOnly);
- } catch (ClassNotFoundException e) {
- return loader.loadClass(className);
- }
- }
- }
-
- /**
- * Returns a class instance for the specified class.
- * @param className the name of the class
- * @param remoteCodebase a space-separated array of urls at which
- * the class might be found. May be null.
- * @return the <code>Class</code> object representing the loaded class.
- * @exception throws ClassNotFoundException if class cannot be loaded.
- */
- public static Class loadClass (String className,
- String remoteCodebase)
- throws ClassNotFoundException {
- return loadClass(className,remoteCodebase,null);
- }
-
- /**
- * Returns a class instance for the specified class.
- * @param className the name of the class
- * @return the <code>Class</code> object representing the loaded class.
- * @exception throws ClassNotFoundException if class cannot be loaded.
- */
- public static Class loadClass (String className)
- throws ClassNotFoundException {
- return loadClass(className,null,null);
- }
-
- private static final String LOCAL_CODEBASE_KEY = "java.rmi.server.codebase";
- private static final String USE_CODEBASE_ONLY_KEY = "java.rmi.server.useCodebaseOnly";
- private static String localCodebase = null;
- private static boolean useCodebaseOnly;
- private static boolean libraryLoaded = false;
-
- static {
- setCodebaseProperties();
- }
-
- public static final void main (String[] args) {
- System.out.println("1.2 VM");
-
- /*
- // If on 1.2, use a policy with all permissions.
- System.setSecurityManager (new javax.rmi.download.SecurityManager());
- String targetClass = "[[Lrmic.Typedef;";
- System.out.println("localCodebase = "+localCodebase);
- System.out.println("Trying to load "+targetClass);
- try {
- Class clz = loadClass(targetClass,null,localCodebase);
- System.out.println("Loaded: "+clz);
- } catch (ClassNotFoundException e) {
- System.out.println("Caught "+e);
- }
- */
- }
-
- /**
- * Set the codebase and useCodebaseOnly properties. This is public
- * only for test code.
- */
- public static synchronized void setCodebaseProperties () {
- String prop = (String)AccessController.doPrivileged(
- new GetPropertyAction(LOCAL_CODEBASE_KEY)
- );
- if (prop != null && prop.trim().length() > 0) {
- localCodebase = prop;
- }
-
- prop = (String)AccessController.doPrivileged(
- new GetPropertyAction(USE_CODEBASE_ONLY_KEY)
- );
- if (prop != null && prop.trim().length() > 0) {
- useCodebaseOnly = Boolean.valueOf(prop).booleanValue();
- }
- }
-
- /**
- * Set the default code base. This method is here only
- * for test code.
- */
- public static synchronized void setLocalCodebase(String codebase) {
- localCodebase = codebase;
- }
-
- private static Class loadClassM (String className,
- String remoteCodebase,
- boolean useCodebaseOnly)
- throws ClassNotFoundException {
-
- try {
- return JDKClassLoader.loadClass(null,className);
- } catch (ClassNotFoundException e) {}
- try {
- if (!useCodebaseOnly && remoteCodebase != null) {
- return RMIClassLoader.loadClass(remoteCodebase,
- className);
- } else {
- return RMIClassLoader.loadClass(className);
- }
- } catch (MalformedURLException e) {
- className = className + ": " + e.toString();
- }
-
- throw new ClassNotFoundException(className);
- }
- }
-