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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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.
*
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package sun.security.action;
import java.security.Security;
/**
* A convenience class for retrieving the boolean value of a security property
* as a privileged action.
*
* <p>An instance of this class can be used as the argument of
* <code>AccessController.doPrivileged</code>.
*
* <p>The following code retrieves the boolean value of the security
* property named <code>"prop"</code> as a privileged action: <p>
*
* <pre>
* boolean b = java.security.AccessController.doPrivileged
* (new GetBooleanSecurityPropertyAction("prop")).booleanValue();
* </pre>
*
*/
public class GetBooleanSecurityPropertyAction
implements java.security.PrivilegedAction<Boolean> {
private String theProp;
/**
* Constructor that takes the name of the security property whose boolean
* value needs to be determined.
*
* @param theProp the name of the security property
*/
public GetBooleanSecurityPropertyAction(String theProp) {
this.theProp = theProp;
}
/**
* Determines the boolean value of the security property whose name was
* specified in the constructor.
*
* @return the <code>Boolean</code> 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;
}
}