code: private boolean isTrue(String value) {
  
          if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(value)) {
              if (Boolean.valueOf(value.toLowerCase()).booleanValue()
                  || value.toLowerCase().equals("on")
                  || value.toLowerCase().equals("yes")
                  || value.toLowerCase().equals("checked")
                  || value.toLowerCase().equals("selected")) {
                  return true;
              }
          }
          return false;
      }
docs: Returns <code>true</code> if form input is selected, checked, on or yes.<p>
  
  @param value the value to check
  
  @return <code>true</code> if form input is selected, checked, on or yes