jaxws/src/jdk.xml.bind/share/classes/com/sun/istack/internal/tools/SecureLoader.java
changeset 43852 93a527059d8a
parent 25871 b80b84e87032
equal deleted inserted replaced
43752:3c68ef249093 43852:93a527059d8a
     1 /*
     1 /*
     2  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
     2  * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     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
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.  Oracle designates this
     7  * published by the Free Software Foundation.  Oracle designates this
    23  * questions.
    23  * questions.
    24  */
    24  */
    25 
    25 
    26 package com.sun.istack.internal.tools;
    26 package com.sun.istack.internal.tools;
    27 
    27 
       
    28 import java.security.AccessController;
       
    29 import java.security.PrivilegedAction;
       
    30 
    28 /**
    31 /**
    29  * Class defined for safe calls of getClassLoader methods of any kind (context/system/class
    32  * 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
    33  * classloader. This MUST be package private and defined in every package which
    31  * uses such invocations.
    34  * uses such invocations.
    32  * @author snajper
    35  * @author snajper
    35 
    38 
    36     static ClassLoader getContextClassLoader() {
    39     static ClassLoader getContextClassLoader() {
    37         if (System.getSecurityManager() == null) {
    40         if (System.getSecurityManager() == null) {
    38             return Thread.currentThread().getContextClassLoader();
    41             return Thread.currentThread().getContextClassLoader();
    39         } else {
    42         } else {
    40             return (ClassLoader) java.security.AccessController.doPrivileged(
    43             return AccessController.doPrivileged(
    41                     new java.security.PrivilegedAction() {
    44                     new PrivilegedAction<ClassLoader>() {
    42                         public java.lang.Object run() {
    45                         @Override
       
    46                         public ClassLoader run() {
    43                             return Thread.currentThread().getContextClassLoader();
    47                             return Thread.currentThread().getContextClassLoader();
    44                         }
    48                         }
    45                     });
    49                     });
    46         }
    50         }
    47     }
    51     }
    48 
    52 
    49     static ClassLoader getClassClassLoader(final Class c) {
    53     static ClassLoader getClassClassLoader(final Class c) {
    50         if (System.getSecurityManager() == null) {
    54         if (System.getSecurityManager() == null) {
    51             return c.getClassLoader();
    55             return c.getClassLoader();
    52         } else {
    56         } else {
    53             return (ClassLoader) java.security.AccessController.doPrivileged(
    57             return AccessController.doPrivileged(
    54                     new java.security.PrivilegedAction() {
    58                     new PrivilegedAction<ClassLoader>() {
    55                         public java.lang.Object run() {
    59                         @Override
       
    60                         public ClassLoader run() {
    56                             return c.getClassLoader();
    61                             return c.getClassLoader();
    57                         }
    62                         }
    58                     });
    63                     });
    59         }
    64         }
    60     }
    65     }
    61 
    66 
    62     static ClassLoader getSystemClassLoader() {
    67     static ClassLoader getSystemClassLoader() {
    63         if (System.getSecurityManager() == null) {
    68         if (System.getSecurityManager() == null) {
    64             return ClassLoader.getSystemClassLoader();
    69             return ClassLoader.getSystemClassLoader();
    65         } else {
    70         } else {
    66             return (ClassLoader) java.security.AccessController.doPrivileged(
    71             return AccessController.doPrivileged(
    67                     new java.security.PrivilegedAction() {
    72                     new PrivilegedAction<ClassLoader>() {
    68                         public java.lang.Object run() {
    73                         @Override
       
    74                         public ClassLoader run() {
    69                             return ClassLoader.getSystemClassLoader();
    75                             return ClassLoader.getSystemClassLoader();
    70                         }
    76                         }
    71                     });
    77                     });
    72         }
    78         }
    73     }
    79     }
    74 
    80 
    75     static ClassLoader getParentClassLoader(final ClassLoader cl) {
    81     static ClassLoader getParentClassLoader(final ClassLoader cl) {
    76         if (System.getSecurityManager() == null) {
    82         if (System.getSecurityManager() == null) {
    77             return cl.getParent();
    83             return cl.getParent();
    78         } else {
    84         } else {
    79             return (ClassLoader) java.security.AccessController.doPrivileged(
    85             return AccessController.doPrivileged(
    80                     new java.security.PrivilegedAction() {
    86                     new PrivilegedAction<ClassLoader>() {
    81                         public java.lang.Object run() {
    87                         @Override
       
    88                         public ClassLoader run() {
    82                             return cl.getParent();
    89                             return cl.getParent();
    83                         }
    90                         }
    84                     });
    91                     });
    85         }
    92         }
    86     }
    93     }
    87 
    94 
    88     static void setContextClassLoader(final ClassLoader cl) {
    95     static void setContextClassLoader(final ClassLoader cl) {
    89         if (System.getSecurityManager() == null) {
    96         if (System.getSecurityManager() == null) {
    90             Thread.currentThread().setContextClassLoader(cl);
    97             Thread.currentThread().setContextClassLoader(cl);
    91         } else {
    98         } else {
    92             java.security.AccessController.doPrivileged(
    99             AccessController.doPrivileged(
    93                     new java.security.PrivilegedAction() {
   100                     new PrivilegedAction<ClassLoader>() {
    94                         public java.lang.Object run() {
   101                         @Override
       
   102                         public ClassLoader run() {
    95                             Thread.currentThread().setContextClassLoader(cl);
   103                             Thread.currentThread().setContextClassLoader(cl);
    96                             return null;
   104                             return null;
    97                         }
   105                         }
    98                     });
   106                     });
    99         }
   107         }