java.security

Class GuardedObject

Implemented Interfaces:
Serializable

public class GuardedObject
extends Object
implements Serializable

This class is an object that is guarded by a Guard object. The object that is being guarded is retrieved by a call to the only method in this class - getObject. That method returns the guarded Object after first checking with the Guard. If the Guard disallows access, an exception will be thrown.
Since:
1.1
See Also:
Serialized Form

Constructor Summary

GuardedObject(Object object, Guard guard)
This method initializes a new instance of GuardedObject that protects the specified Object using the specified Guard.

Method Summary

Object
getObject()
This method first call the checkGuard method on the Guard object protecting the guarded object.

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

GuardedObject

public GuardedObject(Object object,
                     Guard guard)
This method initializes a new instance of GuardedObject that protects the specified Object using the specified Guard. A null guard means there are no restrictions on accessing the object.
Parameters:
object - the Object to guard
guard - the Guard that is protecting the object

Method Details

getObject

public Object getObject()
This method first call the checkGuard method on the Guard object protecting the guarded object. If the Guard disallows access, an exception is thrown, otherwise the Object is returned.
Returns:
The object being guarded
Throws:
SecurityException - if access is denied

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.