- /*
- * @(#)GetPropertyAction.java 1.1 04/01/16
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package com.sun.corba.se.impl.orbutil ;
-
- /**
- * A convenience class for retrieving the string value of a system
- * property as a privileged action. This class is directly copied
- * from sun.security.action.GetPropertyAction in order to avoid
- * depending on the sun.security.action package.
- *
- * <p>An instance of this class can be used as the argument of
- * <code>AccessController.doPrivileged</code>.
- *
- * <p>The following code retrieves the value of the system
- * property named <code>"prop"</code> as a privileged action: <p>
- *
- * <pre>
- * String s = (String) java.security.AccessController.doPrivileged(
- * new GetPropertyAction("prop"));
- * </pre>
- *
- * @author Roland Schemers
- * @author Ken Cavanaugh
- * @see java.security.PrivilegedAction
- * @see java.security.AccessController
- */
-
- public class GetPropertyAction implements java.security.PrivilegedAction {
- private String theProp;
- private String defaultVal;
-
- /**
- * Constructor that takes the name of the system property whose
- * string value needs to be determined.
- *
- * @param theProp the name of the system property.
- */
- public GetPropertyAction(String theProp) {
- this.theProp = theProp;
- }
-
- /**
- * Constructor that takes the name of the system property and the default
- * value of that property.
- *
- * @param theProp the name of the system property.
- * @param defaulVal the default value.
- */
- public GetPropertyAction(String theProp, String defaultVal) {
- this.theProp = theProp;
- this.defaultVal = defaultVal;
- }
-
- /**
- * Determines the string value of the system property whose
- * name was specified in the constructor.
- *
- * @return the string value of the system property,
- * or the default value if there is no property with that key.
- */
- public Object run() {
- String value = System.getProperty(theProp);
- return (value == null) ? defaultVal : value;
- }
- }