| /* |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
| * |
| * Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved. |
| * |
| * The contents of this file are subject to the terms of either the GNU |
| * General Public License Version 2 only ("GPL") or the Common Development |
| * and Distribution License("CDDL") (collectively, the "License"). You |
| * may not use this file except in compliance with the License. You can |
| * obtain a copy of the License at |
| * https://oss.oracle.com/licenses/CDDL+GPL-1.1 |
| * or LICENSE.txt. See the License for the specific |
| * language governing permissions and limitations under the License. |
| * |
| * When distributing the software, include this License Header Notice in each |
| * file and include the License file at LICENSE.txt. |
| * |
| * GPL Classpath Exception: |
| * Oracle designates this particular file as subject to the "Classpath" |
| * exception as provided by Oracle in the GPL Version 2 section of the License |
| * file that accompanied this code. |
| * |
| * Modifications: |
| * If applicable, add the following below the License Header, with the fields |
| * enclosed by brackets [] replaced by your own identifying information: |
| * "Portions Copyright [year] [name of copyright owner]" |
| * |
| * Contributor(s): |
| * If you wish your version of this file to be governed by only the CDDL or |
| * only the GPL Version 2, indicate your decision by adding "[Contributor] |
| * elects to include this software in this distribution under the [CDDL or GPL |
| * Version 2] license." If you don't indicate a single choice of license, a |
| * recipient has the option to distribute your version of this file under |
| * either the CDDL, the GPL Version 2 or to extend the choice of license to |
| * its licensees as provided above. However, if you add GPL Version 2 code |
| * and therefore, elected the GPL Version 2 license, then the option applies |
| * only if the new code is made subject to such option by the copyright |
| * holder. |
| */ |
| |
| package javax.activation; |
| |
| import java.security.*; |
| import java.net.*; |
| import java.io.*; |
| import java.util.*; |
| |
| /** |
| * Security related methods that only work on J2SE 1.2 and newer. |
| */ |
| class SecuritySupport { |
| |
| private SecuritySupport() { |
| // private constructor, can't create an instance |
| } |
| |
| public static ClassLoader getContextClassLoader() { |
| return (ClassLoader) |
| AccessController.doPrivileged(new PrivilegedAction() { |
| public Object run() { |
| ClassLoader cl = null; |
| try { |
| cl = Thread.currentThread().getContextClassLoader(); |
| } catch (SecurityException ex) { } |
| return cl; |
| } |
| }); |
| } |
| |
| public static InputStream getResourceAsStream(final Class c, |
| final String name) throws IOException { |
| try { |
| return (InputStream) |
| AccessController.doPrivileged(new PrivilegedExceptionAction() { |
| public Object run() throws IOException { |
| return c.getResourceAsStream(name); |
| } |
| }); |
| } catch (PrivilegedActionException e) { |
| throw (IOException)e.getException(); |
| } |
| } |
| |
| public static URL[] getResources(final ClassLoader cl, final String name) { |
| return (URL[]) |
| AccessController.doPrivileged(new PrivilegedAction() { |
| public Object run() { |
| URL[] ret = null; |
| try { |
| List v = new ArrayList(); |
| Enumeration e = cl.getResources(name); |
| while (e != null && e.hasMoreElements()) { |
| URL url = (URL)e.nextElement(); |
| if (url != null) |
| v.add(url); |
| } |
| if (v.size() > 0) { |
| ret = new URL[v.size()]; |
| ret = (URL[])v.toArray(ret); |
| } |
| } catch (IOException ioex) { |
| } catch (SecurityException ex) { } |
| return ret; |
| } |
| }); |
| } |
| |
| public static URL[] getSystemResources(final String name) { |
| return (URL[]) |
| AccessController.doPrivileged(new PrivilegedAction() { |
| public Object run() { |
| URL[] ret = null; |
| try { |
| List v = new ArrayList(); |
| Enumeration e = ClassLoader.getSystemResources(name); |
| while (e != null && e.hasMoreElements()) { |
| URL url = (URL)e.nextElement(); |
| if (url != null) |
| v.add(url); |
| } |
| if (v.size() > 0) { |
| ret = new URL[v.size()]; |
| ret = (URL[])v.toArray(ret); |
| } |
| } catch (IOException ioex) { |
| } catch (SecurityException ex) { } |
| return ret; |
| } |
| }); |
| } |
| |
| public static InputStream openStream(final URL url) throws IOException { |
| try { |
| return (InputStream) |
| AccessController.doPrivileged(new PrivilegedExceptionAction() { |
| public Object run() throws IOException { |
| return url.openStream(); |
| } |
| }); |
| } catch (PrivilegedActionException e) { |
| throw (IOException)e.getException(); |
| } |
| } |
| } |