1/* 2 * Copyright (c) 1997, 2013, 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 26package com.sun.xml.internal.bind.v2.model.nav; 27 28/** 29 * Class defined for safe calls of getClassLoader methods of any kind (context/system/class 30 * classloader. This MUST be package private and defined in every package which 31 * uses such invocations. 32 * @author snajper 33 */ 34class SecureLoader { 35 36 static ClassLoader getContextClassLoader() { 37 if (System.getSecurityManager() == null) { 38 return Thread.currentThread().getContextClassLoader(); 39 } else { 40 return java.security.AccessController.doPrivileged( 41 new java.security.PrivilegedAction<ClassLoader>() { 42 public ClassLoader run() { 43 return Thread.currentThread().getContextClassLoader(); 44 } 45 }); 46 } 47 } 48 49 static ClassLoader getClassClassLoader(final Class c) { 50 if (System.getSecurityManager() == null) { 51 return c.getClassLoader(); 52 } else { 53 return java.security.AccessController.doPrivileged( 54 new java.security.PrivilegedAction<ClassLoader>() { 55 public ClassLoader run() { 56 return c.getClassLoader(); 57 } 58 }); 59 } 60 } 61 62 static ClassLoader getSystemClassLoader() { 63 if (System.getSecurityManager() == null) { 64 return ClassLoader.getSystemClassLoader(); 65 } else { 66 return java.security.AccessController.doPrivileged( 67 new java.security.PrivilegedAction<ClassLoader>() { 68 public ClassLoader run() { 69 return ClassLoader.getSystemClassLoader(); 70 } 71 }); 72 } 73 } 74 75} 76