code: public static final String getSimpleName(String fqn) {
  
          String parentFqn = getParentFqn(fqn);
          if (parentFqn != null) {
              fqn = fqn.substring(parentFqn.length());
          }
          if ((fqn != null) && fqn.startsWith(CmsOrganizationalUnit.SEPARATOR)) {
              fqn = fqn.substring(CmsOrganizationalUnit.SEPARATOR.length());
          }
          return fqn;
      }
docs: Returns the last name of the given fully qualified name.<p>
  
  @param fqn the fully qualified name to get the last name from
  
  @return the last name of the given fully qualified name