aboutsummaryrefslogtreecommitdiff
path: root/libjava/java/security/GuardedObject.java
diff options
context:
space:
mode:
Diffstat (limited to 'libjava/java/security/GuardedObject.java')
-rw-r--r--libjava/java/security/GuardedObject.java121
1 files changed, 0 insertions, 121 deletions
diff --git a/libjava/java/security/GuardedObject.java b/libjava/java/security/GuardedObject.java
deleted file mode 100644
index 5ca0883..0000000
--- a/libjava/java/security/GuardedObject.java
+++ /dev/null
@@ -1,121 +0,0 @@
-/* GuardedObject.java -- An object protected by a Guard
- Copyright (C) 1998, 2002, 2004, 2005 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;
-
-import java.io.IOException;
-import java.io.ObjectOutputStream;
-import java.io.Serializable;
-
-/**
- * This class is an object that is guarded by a <code>Guard</code> object.
- * The object that is being guarded is retrieved by a call to the only
- * method in this class - <code>getObject</code>. That method returns the
- * guarded <code>Object</code> after first checking with the
- * <code>Guard</code>. If the <code>Guard</code> disallows access, an
- * exception will be thrown.
- *
- * @author Aaron M. Renn (arenn@urbanophile.com)
- * @since 1.1
- * @status updated to 1.4
- */
-public class GuardedObject implements Serializable
-{
- /**
- * Compatible with JDK 1.1+.
- */
- private static final long serialVersionUID = -5240450096227834308L;
-
- /**
- * This is the Guard that is protecting the object.
- *
- * @serial the guard
- */
- private final Guard guard;
-
- /**
- * This is the object that is being guarded.
- *
- * @serial the protected object
- */
- private final Object object;
-
- /**
- * This method initializes a new instance of <code>GuardedObject</code>
- * that protects the specified <code>Object</code> using the specified
- * <code>Guard</code>. A null guard means there are no restrictions on
- * accessing the object.
- *
- * @param object the <code>Object</code> to guard
- * @param guard the <code>Guard</code> that is protecting the object
- */
- public GuardedObject(Object object, Guard guard)
- {
- this.object = object;
- this.guard = guard;
- }
-
- /**
- * This method first call the <code>checkGuard</code> method on the
- * <code>Guard</code> object protecting the guarded object. If the
- * <code>Guard</code> disallows access, an exception is thrown, otherwise
- * the <code>Object</code> is returned.
- *
- * @return The object being guarded
- * @throws SecurityException if access is denied
- */
- public Object getObject()
- {
- if (guard != null)
- guard.checkGuard(object);
- return object;
- }
-
- /**
- * Ensures that serialization is legal, by checking the guard.
- *
- * @param s the stream to write to
- * @throws IOException if the underlying stream fails
- */
- private void writeObject(ObjectOutputStream s) throws IOException
- {
- if (guard != null)
- guard.checkGuard(object);
- s.defaultWriteObject();
- }
-} // class GuardedObject