src/main/java/org/jboss/util/property/PropertyManager.java
public static String setProperty(final String name, final String value)
   {
      SecurityManager sm = System.getSecurityManager();
      if (sm != null)
         sm.checkPropertyAccess(name);
      return (String) props.setProperty(name, value);
   }
public static String setProperty(final String name, final String value)
   {
      SecurityManager sm = System.getSecurityManager();
      if (sm != null)
         sm.checkPropertyAccess(name);
      return (String) props.setProperty(name, value);
   }
Set a property.

@param name    Property name.
@param value   Property value.
@return        Previous property value or <tt>null</tt>.