18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.corba.se.impl.orbutil ;
  27 
  28 /**
  29  * A convenience class for retrieving the string value of a system
  30  * property as a privileged action.  This class is directly copied
  31  * from sun.security.action.GetPropertyAction in order to avoid
  32  * depending on the sun.security.action package.
  33  *
  34  * <p>An instance of this class can be used as the argument of
  35  * <code>AccessController.doPrivileged</code>.
  36  *
  37  * <p>The following code retrieves the value of the system
  38  * property named <code>"prop"</code> as a privileged action: <p>
  39  *
  40  * <pre>
  41  * String s = (String) java.security.AccessController.doPrivileged(
  42  *                         new GetPropertyAction("prop"));
  43  * </pre>
  44  *
  45  * @author Roland Schemers
  46  * @author Ken Cavanaugh
  47  * @see java.security.PrivilegedAction
  48  * @see java.security.AccessController
  49  */
  50 
  51 public class GetPropertyAction implements java.security.PrivilegedAction {
  52     private String theProp;
  53     private String defaultVal;
  54 
  55     /**
  56      * Constructor that takes the name of the system property whose
  57      * string value needs to be determined.
  58      *
  59      * @param theProp the name of the system property.
  60      */
  61     public GetPropertyAction(String theProp) {
  62         this.theProp = theProp;
  63     }
  64 
  65     /**
  66      * Constructor that takes the name of the system property and the default
  67      * value of that property.
  68      *
  69      * @param theProp the name of the system property.
  70      * @param defaulVal the default value.
  71      */
  72     public GetPropertyAction(String theProp, String defaultVal) {
  73         this.theProp = theProp;
  74         this.defaultVal = defaultVal;
  75     }
  76 
  77     /**
  78      * Determines the string value of the system property whose
  79      * name was specified in the constructor.
  80      *
  81      * @return the string value of the system property,
  82      *         or the default value if there is no property with that key.
  83      */
  84     public Object run() {
  85         String value = System.getProperty(theProp);
  86         return (value == null) ? defaultVal : value;
  87     }
  88 }

  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.corba.se.impl.orbutil ;
  27 
  28 /**
  29  * A convenience class for retrieving the string value of a system
  30  * property as a privileged action.  This class is directly copied
  31  * from sun.security.action.GetPropertyAction in order to avoid
  32  * depending on the sun.security.action package.
  33  *
  34  * <p>An instance of this class can be used as the argument of
  35  * <code>AccessController.doPrivileged</code>.
  36  *
  37  * <p>The following code retrieves the value of the system
  38  * property named <code>"prop"</code> as a privileged action:
  39  *
  40  * <pre>
  41  * String s = (String) java.security.AccessController.doPrivileged(
  42  *                         new GetPropertyAction("prop"));
  43  * </pre>
  44  *
  45  * @author Roland Schemers
  46  * @author Ken Cavanaugh
  47  * @see java.security.PrivilegedAction
  48  * @see java.security.AccessController
  49  */
  50 
  51 public class GetPropertyAction implements java.security.PrivilegedAction {
  52     private String theProp;
  53     private String defaultVal;
  54 
  55     /**
  56      * Constructor that takes the name of the system property whose
  57      * string value needs to be determined.
  58      *
  59      * @param theProp the name of the system property.
  60      */
  61     public GetPropertyAction(String theProp) {
  62         this.theProp = theProp;
  63     }
  64 
  65     /**
  66      * Constructor that takes the name of the system property and the default
  67      * value of that property.
  68      *
  69      * @param theProp the name of the system property.
  70      * @param defaultVal the default value.
  71      */
  72     public GetPropertyAction(String theProp, String defaultVal) {
  73         this.theProp = theProp;
  74         this.defaultVal = defaultVal;
  75     }
  76 
  77     /**
  78      * Determines the string value of the system property whose
  79      * name was specified in the constructor.
  80      *
  81      * @return the string value of the system property,
  82      *         or the default value if there is no property with that key.
  83      */
  84     public Object run() {
  85         String value = System.getProperty(theProp);
  86         return (value == null) ? defaultVal : value;
  87     }
  88 }