code: public String getLocation(Class<?> clazz) {
  
          String filename = clazz.getName().replace('.', '/');
          int pos = filename.lastIndexOf('/') + 1;
          return (pos > 0 ? filename.substring(0, pos) : "");
      }
docs: Returns the class system location.<p>
  
  i.e: <code>org/opencms/importexport</code><p>
  
  @param clazz the class to get the location for
  
  @return the class system location