src/main/java/org/jboss/util/property/PropertyManager.java
public static void addPropertyListener(final PropertyListener listener)
   {
      SecurityManager sm = System.getSecurityManager();
      if (sm != null)
         sm.checkPropertiesAccess();
      props.addPropertyListener(listener);
   }
public static void addPropertyListener(final PropertyListener listener)
   {
      SecurityManager sm = System.getSecurityManager();
      if (sm != null)
         sm.checkPropertiesAccess();
      props.addPropertyListener(listener);
   }
Add a property listener.

@param listener   Property listener to add.