code: public static CmsJspObjectValueWrapper createWrapper(CmsObject cms, Object value) {
  
          if ((value != null) && (cms != null)) {
              return new CmsJspObjectValueWrapper(cms, value);
          }
          // if no value is available,
          return NULL_VALUE_WRAPPER;
      }
docs: Factory method to create a new XML content value wrapper.<p>
  
  In case either parameter is <code>null</code>, the {@link #NULL_VALUE_WRAPPER} is returned.<p>
  
  @param cms the current users OpenCms context
  @param value the object to warp
  
  @return a new content value wrapper instance, or <code>null</code> if any parameter is <code>null</code>