From 464fc7a19978df2b22cf8683279cd1f14a161a6e Mon Sep 17 00:00:00 2001 From: Gary Benson Date: Fri, 28 Jul 2006 10:54:11 +0000 Subject: re PR libgcj/13604 (AccessController unfinished) 2006-07-28 Gary Benson Casey Marshall PR libgcj/13604: * include/java-stack.h (GetClassMethodStack): Declare. * stacktrace.cc (GetClassMethodStack): New method. * java/security/AccessController.java: Removed. * java/security/VMAccessController.java: New file. * java/security/natVMAccessController.cc: Likewise. * Makefile.am (nat_source_files): Added the above. * sources.am, Makefile.in: Rebuilt. Co-Authored-By: Casey Marshall From-SVN: r115793 --- libjava/java/security/AccessController.java | 195 ---------------------------- 1 file changed, 195 deletions(-) delete mode 100644 libjava/java/security/AccessController.java (limited to 'libjava/java/security/AccessController.java') diff --git a/libjava/java/security/AccessController.java b/libjava/java/security/AccessController.java deleted file mode 100644 index 4f40edb..0000000 --- a/libjava/java/security/AccessController.java +++ /dev/null @@ -1,195 +0,0 @@ -/* AccessController.java --- Access control context and permission checker - Copyright (C) 2001, 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package java.security; - -/** - * Access control context and permission checker. - * Can check permissions in the access control context of the current thread - * through the checkPermission() method. - * Manipulates the access control context for code that needs to be executed - * the protection domain of the calling class (by explicitly ignoring the - * context of the calling code) in the doPrivileged() methods. - * And provides a getContext() method which gives the access - * control context of the current thread that can be used for checking - * permissions at a later time and/or in another thread. - *

- * XXX - Mostly a stub implementation at the moment. Needs native support - * from the VM to function correctly. XXX - Do not forget to think about - * how to handle java.lang.reflect.Method.invoke() on the - * doPrivileged() methods. - * - * @author Mark Wielaard (mark@klomp.org) - * @since 1.2 - */ -public final class AccessController -{ - /** - * This class only has static methods so there is no public contructor. - */ - private AccessController() - { - } - - /** - * Checks wether the access control context of the current thread allows - * the given Permission. Throws an AccessControlException - * when the permission is not allowed in the current context. Otherwise - * returns silently without throwing an exception. - * - * @param perm the permission to be checked. - * @exception AccessControlException thrown if the current context does not - * allow the given permission. - */ - public static void checkPermission(Permission perm) - throws AccessControlException - { - getContext().checkPermission(perm); - } - - /** - * Calls the run() method of the given action with as - * (initial) access control context only the protection domain of the - * calling class. Calls to checkPermission() in the - * run() method ignore all earlier protection domains of - * classes in the call chain. Note that the protection domains of classes - * called by the code in the run() method are not ignored. - * - * @param action the PrivilegedAction whose run() - * should be be called. - * @return the result of the action.run() method. - */ - public static Object doPrivileged(PrivilegedAction action) - { - return action.run(); - } - - /** - * Calls the run() method of the given action with as - * (initial) access control context the given context combined with the - * protection domain of the calling class. Calls to - * checkPermission() in the run() method ignore - * all earlier protection domains of classes in the call chain, but add - * checks for the protection domains given in the supplied context. - * - * @param action the PrivilegedAction whose run() - * should be be called. - * @param context the AccessControlContext whose protection - * domains should be added to the protection domain of the calling class. - * @return the result of the action.run() method. - */ - public static Object doPrivileged(PrivilegedAction action, - AccessControlContext context) - { - return action.run(); - } - - /** - * Calls the run() method of the given action with as - * (initial) access control context only the protection domain of the - * calling class. Calls to checkPermission() in the - * run() method ignore all earlier protection domains of - * classes in the call chain. Note that the protection domains of classes - * called by the code in the run() method are not ignored. - * If the run() method throws an exception then this method - * will wrap that exception in an PrivilegedActionException. - * - * @param action the PrivilegedExceptionAction whose - * run() should be be called. - * @return the result of the action.run() method. - * @exception PrivilegedActionException wrapped around any exception that - * is thrown in the run() method. - */ - public static Object doPrivileged(PrivilegedExceptionAction action) - throws PrivilegedActionException - { - try - { - return action.run(); - } - catch (Exception e) - { - throw new PrivilegedActionException(e); - } - } - - /** - * Calls the run() method of the given action with as - * (initial) access control context the given context combined with the - * protection domain of the calling class. Calls to - * checkPermission() in the run() method ignore - * all earlier protection domains of classes in the call chain, but add - * checks for the protection domains given in the supplied context. - * If the run() method throws an exception then this method - * will wrap that exception in an PrivilegedActionException. - * - * @param action the PrivilegedExceptionAction whose - * run() should be be called. - * @param context the AccessControlContext whose protection - * domains should be added to the protection domain of the calling class. - * @return the result of the action.run() method. - * @exception PrivilegedActionException wrapped around any exception that - * is thrown in the run() method. - */ - public static Object doPrivileged(PrivilegedExceptionAction action, - AccessControlContext context) - throws PrivilegedActionException - { - try - { - return action.run(); - } - catch (Exception e) - { - throw new PrivilegedActionException(e); - } - } - - /** - * Returns the complete access control context of the current thread. - *

- * XXX - Should this include all the protection domains in the call chain - * or only the domains till the last doPrivileged() call? - *

- * XXX - needs native support. Currently returns an empty context. - */ - public static AccessControlContext getContext() - { - // For now just return an new empty context - return new AccessControlContext(new ProtectionDomain[0]); - } -} -- cgit v1.1