/* * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.security.action; import java.security.Security; /** * A convenience class for retrieving the boolean value of a security property * as a privileged action. * *
An instance of this class can be used as the argument of
* AccessController.doPrivileged
.
*
*
The following code retrieves the boolean value of the security
* property named "prop"
as a privileged action:
* *
* boolean b = java.security.AccessController.doPrivileged * (new GetBooleanSecurityPropertyAction("prop")).booleanValue(); ** */ public class GetBooleanSecurityPropertyAction implements java.security.PrivilegedAction
Boolean
value of the security property.
*/
public Boolean run() {
boolean b = false;
try {
String value = Security.getProperty(theProp);
b = (value != null) && value.equalsIgnoreCase("true");
} catch (NullPointerException e) {}
return b;
}
}