325N/A/*
325N/A * Copyright (c) 2002, 2005, Oracle and/or its affiliates. All rights reserved.
325N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
325N/A *
325N/A * This code is free software; you can redistribute it and/or modify it
325N/A * under the terms of the GNU General Public License version 2 only, as
325N/A * published by the Free Software Foundation. Oracle designates this
325N/A * particular file as subject to the "Classpath" exception as provided
325N/A * by Oracle in the LICENSE file that accompanied this code.
325N/A *
325N/A * This code is distributed in the hope that it will be useful, but WITHOUT
325N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
325N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
325N/A * version 2 for more details (a copy is included in the LICENSE file that
325N/A * accompanied this code).
325N/A *
325N/A * You should have received a copy of the GNU General Public License version
325N/A * 2 along with this work; if not, write to the Free Software Foundation,
325N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
325N/A *
325N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
325N/A * or visit www.oracle.com if you need additional information or have any
325N/A * questions.
325N/A */
325N/A
325N/Apackage javax.activation;
325N/A
325N/Aimport java.security.*;
325N/Aimport java.net.*;
325N/Aimport java.io.*;
325N/Aimport java.util.*;
325N/A
325N/A/**
325N/A * Security related methods that only work on J2SE 1.2 and newer.
325N/A *
325N/A * @since 1.6
325N/A */
325N/Aclass SecuritySupport {
325N/A
325N/A private SecuritySupport() {
325N/A // private constructor, can't create an instance
325N/A }
325N/A
325N/A public static ClassLoader getContextClassLoader() {
325N/A return (ClassLoader)
325N/A AccessController.doPrivileged(new PrivilegedAction() {
325N/A public Object run() {
325N/A ClassLoader cl = null;
325N/A try {
325N/A cl = Thread.currentThread().getContextClassLoader();
325N/A } catch (SecurityException ex) { }
325N/A return cl;
325N/A }
325N/A });
325N/A }
325N/A
325N/A public static InputStream getResourceAsStream(final Class c,
325N/A final String name) throws IOException {
325N/A try {
325N/A return (InputStream)
325N/A AccessController.doPrivileged(new PrivilegedExceptionAction() {
325N/A public Object run() throws IOException {
325N/A return c.getResourceAsStream(name);
325N/A }
325N/A });
325N/A } catch (PrivilegedActionException e) {
325N/A throw (IOException)e.getException();
325N/A }
325N/A }
325N/A
325N/A public static URL[] getResources(final ClassLoader cl, final String name) {
325N/A return (URL[])
325N/A AccessController.doPrivileged(new PrivilegedAction() {
325N/A public Object run() {
325N/A URL[] ret = null;
325N/A try {
325N/A List v = new ArrayList();
325N/A Enumeration e = cl.getResources(name);
325N/A while (e != null && e.hasMoreElements()) {
325N/A URL url = (URL)e.nextElement();
325N/A if (url != null)
325N/A v.add(url);
325N/A }
325N/A if (v.size() > 0) {
325N/A ret = new URL[v.size()];
325N/A ret = (URL[])v.toArray(ret);
325N/A }
325N/A } catch (IOException ioex) {
325N/A } catch (SecurityException ex) { }
325N/A return ret;
325N/A }
325N/A });
325N/A }
325N/A
325N/A public static URL[] getSystemResources(final String name) {
325N/A return (URL[])
325N/A AccessController.doPrivileged(new PrivilegedAction() {
325N/A public Object run() {
325N/A URL[] ret = null;
325N/A try {
325N/A List v = new ArrayList();
325N/A Enumeration e = ClassLoader.getSystemResources(name);
325N/A while (e != null && e.hasMoreElements()) {
325N/A URL url = (URL)e.nextElement();
325N/A if (url != null)
325N/A v.add(url);
325N/A }
325N/A if (v.size() > 0) {
325N/A ret = new URL[v.size()];
325N/A ret = (URL[])v.toArray(ret);
325N/A }
325N/A } catch (IOException ioex) {
325N/A } catch (SecurityException ex) { }
325N/A return ret;
325N/A }
325N/A });
325N/A }
325N/A
325N/A public static InputStream openStream(final URL url) throws IOException {
325N/A try {
325N/A return (InputStream)
325N/A AccessController.doPrivileged(new PrivilegedExceptionAction() {
325N/A public Object run() throws IOException {
325N/A return url.openStream();
325N/A }
325N/A });
325N/A } catch (PrivilegedActionException e) {
325N/A throw (IOException)e.getException();
325N/A }
325N/A }
325N/A}