ohair | 6c32066 | 2012-03-04 11:55:34 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2004, 2006, Oracle and/or its affiliates. All rights reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Oracle designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Oracle in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 22 | * or visit www.oracle.com if you need additional information or have any |
| 23 | * questions. |
| 24 | */ |
| 25 | |
| 26 | package javax.xml.parsers; |
| 27 | |
| 28 | import java.security.*; |
| 29 | import java.net.*; |
| 30 | import java.io.*; |
| 31 | import java.util.*; |
| 32 | |
| 33 | /** |
| 34 | * This class is duplicated for each JAXP subpackage so keep it in sync. |
| 35 | * It is package private and therefore is not exposed as part of the JAXP |
| 36 | * API. |
| 37 | * |
| 38 | * Security related methods that only work on J2SE 1.2 and newer. |
| 39 | */ |
| 40 | class SecuritySupport { |
| 41 | |
| 42 | |
| 43 | ClassLoader getContextClassLoader() throws SecurityException{ |
| 44 | return (ClassLoader) |
| 45 | AccessController.doPrivileged(new PrivilegedAction() { |
| 46 | public Object run() { |
| 47 | ClassLoader cl = null; |
| 48 | //try { |
| 49 | cl = Thread.currentThread().getContextClassLoader(); |
| 50 | //} catch (SecurityException ex) { } |
| 51 | |
| 52 | if (cl == null) |
| 53 | cl = ClassLoader.getSystemClassLoader(); |
| 54 | |
| 55 | return cl; |
| 56 | } |
| 57 | }); |
| 58 | } |
| 59 | |
| 60 | String getSystemProperty(final String propName) { |
| 61 | return (String) |
| 62 | AccessController.doPrivileged(new PrivilegedAction() { |
| 63 | public Object run() { |
| 64 | return System.getProperty(propName); |
| 65 | } |
| 66 | }); |
| 67 | } |
| 68 | |
| 69 | FileInputStream getFileInputStream(final File file) |
| 70 | throws FileNotFoundException |
| 71 | { |
| 72 | try { |
| 73 | return (FileInputStream) |
| 74 | AccessController.doPrivileged(new PrivilegedExceptionAction() { |
| 75 | public Object run() throws FileNotFoundException { |
| 76 | return new FileInputStream(file); |
| 77 | } |
| 78 | }); |
| 79 | } catch (PrivilegedActionException e) { |
| 80 | throw (FileNotFoundException)e.getException(); |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | InputStream getResourceAsStream(final ClassLoader cl, |
| 85 | final String name) |
| 86 | { |
| 87 | return (InputStream) |
| 88 | AccessController.doPrivileged(new PrivilegedAction() { |
| 89 | public Object run() { |
| 90 | InputStream ris; |
| 91 | if (cl == null) { |
| 92 | ris = Object.class.getResourceAsStream(name); |
| 93 | } else { |
| 94 | ris = cl.getResourceAsStream(name); |
| 95 | } |
| 96 | return ris; |
| 97 | } |
| 98 | }); |
| 99 | } |
| 100 | |
| 101 | boolean doesFileExist(final File f) { |
| 102 | return ((Boolean) |
| 103 | AccessController.doPrivileged(new PrivilegedAction() { |
| 104 | public Object run() { |
| 105 | return new Boolean(f.exists()); |
| 106 | } |
| 107 | })).booleanValue(); |
| 108 | } |
| 109 | |
| 110 | } |