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A maven release for nashorn. Changed nothing, just put it to maven.
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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/*
* This file is available under and governed by the GNU General Public
* License version 2 only, as published by the Free Software Foundation.
* However, the following notice accompanied the original version of this
* file, and Oracle licenses the original version of this file under the BSD
* license:
*/
/*
Copyright 2009-2013 Attila Szegedi
Licensed under both the Apache License, Version 2.0 (the "Apache License")
and the BSD License (the "BSD License"), with licensee being free to
choose either of the two at their discretion.
You may not use this file except in compliance with either the Apache
License or the BSD License.
If you choose to use this file in compliance with the Apache License, the
following notice applies to you:
You may obtain a copy of the Apache License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied. See the License for the specific language governing
permissions and limitations under the License.
If you choose to use this file in compliance with the BSD License, the
following notice applies to you:
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
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this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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*/
package jdk.internal.dynalink.beans;
import java.lang.reflect.Modifier;
import java.security.AccessControlContext;
import java.security.AccessController;
import java.security.Permissions;
import java.security.PrivilegedAction;
import java.security.ProtectionDomain;
/**
* A utility class to check whether a given class is in a package with restricted access e.g. "sun.*" etc.
*/
class CheckRestrictedPackage {
private static final AccessControlContext NO_PERMISSIONS_CONTEXT = createNoPermissionsContext();
/**
* Returns true if the class is either not public, or it resides in a package with restricted access.
* @param clazz the class to test
* @return true if the class is either not public, or it resides in a package with restricted access.
*/
static boolean isRestrictedClass(final Class clazz) {
if(!Modifier.isPublic(clazz.getModifiers())) {
// Non-public classes are always restricted
return true;
}
final SecurityManager sm = System.getSecurityManager();
if(sm == null) {
// No further restrictions if we don't have a security manager
return false;
}
final String name = clazz.getName();
final int i = name.lastIndexOf('.');
if (i == -1) {
// Classes in default package are never restricted
return false;
}
// Do a package access check from within an access control context with no permissions
try {
AccessController.doPrivileged(new PrivilegedAction() {
@Override
public Void run() {
sm.checkPackageAccess(name.substring(0, i));
return null;
}
}, NO_PERMISSIONS_CONTEXT);
} catch(final SecurityException e) {
return true;
}
return false;
}
private static AccessControlContext createNoPermissionsContext() {
return new AccessControlContext(new ProtectionDomain[] { new ProtectionDomain(null, new Permissions()) });
}
}