code: @SuppressWarnings("resource")
      public String getLength() {
  
          try {
              return CmsFileUtil.formatFilesize(
                  IOUtils.toByteArray(new FileInputStream(m_variationPath)).length,
                  A_CmsUI.get().getLocale());
          } catch (IOException e) {
              return "";
          }
      }
docs: Get length of variation.<p>
  
  @return string representation of length