411      * of the specified object.

   411      * of the specified object.

   412      *

   412      *

   413      * @throws IllegalArgumentException if the package has node preferences

   413      * @throws IllegalArgumentException if the package has node preferences

   414      *         node associated with it.

   414      *         node associated with it.

   415      */

   415      */

   417         if (c.isArray())

   417         if (c.isArray())

   418             throw new IllegalArgumentException(

   418             throw new IllegalArgumentException(

   419                 "Arrays have no associated preferences node.");

   419                 "Arrays have no associated preferences node.");

   420         String className = c.getName();

   420         String className = c.getName();

   421         int pkgEndIndex = className.lastIndexOf('.');

   421         int pkgEndIndex = className.lastIndexOf('.');