Class AWTPermission

Implemented Interfaces:
Guard, Serializable

public final class AWTPermission
extends BasicPermission

This class implements permissions for AWT. This is a named permission. No actions are defined.

The following table provides a list of all the possible AWTPermission permission names with a description of what that permission allows.

Permission NamePermission AllowsRisks
accessClipboardposting and reading the AWT clipboardthe clipboard may contain sensitive data
accessEventQueueaccess to the AWT event queuemalicious code could remove real events and replace them with bogus ones, including simulating the user granting permission
listenToAllAWTEventslisten to system-wide AWT eventsmalicious code can read passwords entered in an AWT event, and in combination with accessEventQueue, could fake system events
showWindowWithoutWarningBannerdisplay a window without a banner notification of insecuritymalicious code could install a Trojan horse applet that looks like a normal window, and thus steal data like passwords
readDisplayPixelsread back pixels from the display screenmalicious code could snoop on the user's actions
createRobotcreate an instance of java.awt.Robotthese objects can generate events as though they were the user; so malicious code could control the system
fullScreenExclusiveenter full-screen exclusive modemalicious code could masquerade as a trusted program
See Also:
Serialized Form

Constructor Summary

AWTPermission(String name)
Construct a AWTPermission with the given name.
AWTPermission(String name, String actions)
Create a new permission with the specified name.

Method Summary

Methods inherited from class

equals, getActions, hashCode, implies, newPermissionCollection

Methods inherited from class

checkGuard, equals, getActions, getName, hashCode, implies, newPermissionCollection, toString

Methods inherited from class java.lang.Object

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

Constructor Details


public AWTPermission(String name)
Construct a AWTPermission with the given name.
name - the permission name
NullPointerException - if name is null
IllegalArgumentException - if name is invalid


public AWTPermission(String name,
                     String actions)
Create a new permission with the specified name. The actions argument is ignored, as AWT permissions have no actions.
name - the permission name
actions - ignored
NullPointerException - if name is null
IllegalArgumentException - if name is invalid -- AWT related permissions Copyright (C) 2000, 2002 Free Software Foundation 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.