--- a/jdk/src/share/classes/com/sun/naming/internal/VersionHelper12.java Mon Aug 04 15:33:54 2014 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,268 +0,0 @@
-/*
- * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.naming.internal;
-
-import java.io.InputStream;
-import java.io.IOException;
-import java.net.MalformedURLException;
-import java.net.URLClassLoader;
-import java.net.URL;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
-import java.security.PrivilegedActionException;
-import java.security.PrivilegedExceptionAction;
-import java.util.Enumeration;
-import java.util.NoSuchElementException;
-import java.util.Properties;
-
-import javax.naming.*;
-
-/**
- * VersionHelper was used by JNDI to accommodate differences between
- * JDK 1.1.x and the Java 2 platform. As this is no longer necessary
- * since JNDI's inclusion in the platform, this class currently
- * serves as a set of utilities for performing system-level things,
- * such as class-loading and reading system properties.
- *
- * @author Rosanna Lee
- * @author Scott Seligman
- */
-
-final class VersionHelper12 extends VersionHelper {
-
- // Disallow external from creating one of these.
- VersionHelper12() {
- }
-
- public Class<?> loadClass(String className) throws ClassNotFoundException {
- return loadClass(className, getContextClassLoader());
- }
-
- /**
- * Package private.
- *
- * This internal method is used with Thread Context Class Loader (TCCL),
- * please don't expose this method as public.
- */
- Class<?> loadClass(String className, ClassLoader cl)
- throws ClassNotFoundException {
- Class<?> cls = Class.forName(className, true, cl);
- return cls;
- }
-
- /**
- * @param className A non-null fully qualified class name.
- * @param codebase A non-null, space-separated list of URL strings.
- */
- public Class<?> loadClass(String className, String codebase)
- throws ClassNotFoundException, MalformedURLException {
-
- ClassLoader parent = getContextClassLoader();
- ClassLoader cl =
- URLClassLoader.newInstance(getUrlArray(codebase), parent);
-
- return loadClass(className, cl);
- }
-
- String getJndiProperty(final int i) {
- return AccessController.doPrivileged(
- new PrivilegedAction<String>() {
- public String run() {
- try {
- return System.getProperty(PROPS[i]);
- } catch (SecurityException e) {
- return null;
- }
- }
- }
- );
- }
-
- String[] getJndiProperties() {
- Properties sysProps = AccessController.doPrivileged(
- new PrivilegedAction<Properties>() {
- public Properties run() {
- try {
- return System.getProperties();
- } catch (SecurityException e) {
- return null;
- }
- }
- }
- );
- if (sysProps == null) {
- return null;
- }
- String[] jProps = new String[PROPS.length];
- for (int i = 0; i < PROPS.length; i++) {
- jProps[i] = sysProps.getProperty(PROPS[i]);
- }
- return jProps;
- }
-
- InputStream getResourceAsStream(final Class<?> c, final String name) {
- return AccessController.doPrivileged(
- new PrivilegedAction<InputStream>() {
- public InputStream run() {
- return c.getResourceAsStream(name);
- }
- }
- );
- }
-
- InputStream getJavaHomeLibStream(final String filename) {
- return AccessController.doPrivileged(
- new PrivilegedAction<InputStream>() {
- public InputStream run() {
- try {
- String javahome = System.getProperty("java.home");
- if (javahome == null) {
- return null;
- }
- String pathname = javahome + java.io.File.separator +
- "lib" + java.io.File.separator + filename;
- return new java.io.FileInputStream(pathname);
- } catch (Exception e) {
- return null;
- }
- }
- }
- );
- }
-
- NamingEnumeration<InputStream> getResources(final ClassLoader cl,
- final String name) throws IOException {
- Enumeration<URL> urls;
- try {
- urls = AccessController.doPrivileged(
- new PrivilegedExceptionAction<Enumeration<URL>>() {
- public Enumeration<URL> run() throws IOException {
- return (cl == null)
- ? ClassLoader.getSystemResources(name)
- : cl.getResources(name);
- }
- }
- );
- } catch (PrivilegedActionException e) {
- throw (IOException)e.getException();
- }
- return new InputStreamEnumeration(urls);
- }
-
- /**
- * Package private.
- *
- * This internal method returns Thread Context Class Loader (TCCL),
- * if null, returns the system Class Loader.
- *
- * Please don't expose this method as public.
- */
- ClassLoader getContextClassLoader() {
-
- return AccessController.doPrivileged(
- new PrivilegedAction<ClassLoader>() {
- public ClassLoader run() {
- ClassLoader loader =
- Thread.currentThread().getContextClassLoader();
- if (loader == null) {
- // Don't use bootstrap class loader directly!
- loader = ClassLoader.getSystemClassLoader();
- }
-
- return loader;
- }
- }
- );
- }
-
- /**
- * Given an enumeration of URLs, an instance of this class represents
- * an enumeration of their InputStreams. Each operation on the URL
- * enumeration is performed within a doPrivileged block.
- * This is used to enumerate the resources under a foreign codebase.
- * This class is not MT-safe.
- */
- class InputStreamEnumeration implements NamingEnumeration<InputStream> {
-
- private final Enumeration<URL> urls;
-
- private InputStream nextElement = null;
-
- InputStreamEnumeration(Enumeration<URL> urls) {
- this.urls = urls;
- }
-
- /*
- * Returns the next InputStream, or null if there are no more.
- * An InputStream that cannot be opened is skipped.
- */
- private InputStream getNextElement() {
- return AccessController.doPrivileged(
- new PrivilegedAction<InputStream>() {
- public InputStream run() {
- while (urls.hasMoreElements()) {
- try {
- return urls.nextElement().openStream();
- } catch (IOException e) {
- // skip this URL
- }
- }
- return null;
- }
- }
- );
- }
-
- public boolean hasMore() {
- if (nextElement != null) {
- return true;
- }
- nextElement = getNextElement();
- return (nextElement != null);
- }
-
- public boolean hasMoreElements() {
- return hasMore();
- }
-
- public InputStream next() {
- if (hasMore()) {
- InputStream res = nextElement;
- nextElement = null;
- return res;
- } else {
- throw new NoSuchElementException();
- }
- }
-
- public InputStream nextElement() {
- return next();
- }
-
- public void close() {
- }
- }
-}