X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libjava%2Fjava%2Flang%2Freflect%2FAccessibleObject.java;fp=libjava%2Fjava%2Flang%2Freflect%2FAccessibleObject.java;h=0000000000000000000000000000000000000000;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=456f65aee99165d3d9ca7c5165c9634350f135d2;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libjava/java/lang/reflect/AccessibleObject.java b/libjava/java/lang/reflect/AccessibleObject.java deleted file mode 100644 index 456f65ae..00000000 --- a/libjava/java/lang/reflect/AccessibleObject.java +++ /dev/null @@ -1,180 +0,0 @@ -/* java.lang.reflect.AccessibleObject - Copyright (C) 2001 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., 59 Temple Place, Suite 330, Boston, MA -02111-1307 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.lang.reflect; - -/** - * This class is the superclass of various reflection classes, and - * allows sufficiently trusted code to bypass normal restrictions to - * do necessary things like invoke private methods outside of the - * class during Serialization. If you don't have a good reason - * to mess with this, don't try. Fortunately, there are adequate - * security checks before you can set a reflection object as accessible. - * - * @author Tom Tromey - * @author Eric Blake - * @see Field - * @see Constructor - * @see Method - * @see ReflectPermission - * @since 1.2 - * @status updated to 1.4 - */ -public class AccessibleObject -{ - /** - * True if this object is marked accessible, which means the reflected - * object bypasses normal security checks. NOTEDon't try messing - * with this by reflection. You'll mess yourself up. - */ - // default visibility for use by inherited classes - boolean flag = false; - - /** - * Only the three reflection classes that extend this can create an - * accessible object. This is not serializable for security reasons. - */ - protected AccessibleObject() - { - } - - /** - * Return the accessibility status of this object. - * - * @return true if this object bypasses security checks - */ - public boolean isAccessible() - { - return flag; - } - - /** - * Convenience method to set the flag on a number of objects with a single - * security check. If a security manager exists, it is checked for - * ReflectPermission("suppressAccessChecks").

- * - * If flag is true, and the initial security check succeeds, - * this can still fail if a forbidden object is encountered, leaving the - * array half-modified. At the moment, the forbidden members are:
- *

- * (Sun has not specified others, but good candidates might include - * ClassLoader, String, and such. However, the more checks we do, the - * slower this method gets). - * - * @param array the array of accessible objects - * @param flag the desired state of accessibility, true to bypass security - * @throws NullPointerException if array is null - * @throws SecurityException if the request is denied - * @see SecurityManager#checkPermission(java.security.Permission) - * @see RuntimePermission - */ - public static void setAccessible(AccessibleObject[] array, boolean flag) - { - checkPermission(); - for (int i = 0; i < array.length; i++) - array[i].secureSetAccessible(flag); - } - - /** - * Sets the accessibility flag for this reflection object. If a security - * manager exists, it is checked for - * ReflectPermission("suppressAccessChecks").

- * - * If flag is true, and the initial security check succeeds, - * this will still fail for a forbidden object. At the moment, the - * forbidden members are:
- *

- * (Sun has not specified others, but good candidates might include - * ClassLoader, String, and such. However, the more checks we do, the - * slower this method gets). - * - * @param flag the desired state of accessibility, true to bypass security - * @throws NullPointerException if array is null - * @throws SecurityException if the request is denied - * @see SecurityManager#checkPermission(java.security.Permission) - * @see RuntimePermission - */ - public void setAccessible(boolean flag) - { - checkPermission(); - secureSetAccessible(flag); - } - - /** - * Performs the specified security check, for - * ReflectPermission("suppressAccessChecks"). - * - * @throws SecurityException if permission is denied - */ - private static final void checkPermission() - { - SecurityManager sm = System.getSecurityManager(); - if (sm != null) - sm.checkPermission(new ReflectPermission("suppressAccessChecks")); - } - - /** - * Performs the actual accessibility change, this must always be invoked - * after calling checkPermission. - * - * @param flag the desired status - * @throws SecurityException if flag is true and this is one of the - * forbidden members mentioned in {@link setAccessible(boolean)}. - */ - private final void secureSetAccessible(boolean flag) - { - if (flag && - ((this instanceof Constructor - && ((Constructor) this).getDeclaringClass() == Class.class) - || ((Member) this).getDeclaringClass() == AccessibleObject.class)) - throw new SecurityException("Cannot make object accessible: " + this); - this.flag = flag; - } -}