code: @Override
      public String getSource() throws WidgetException {
          try {
              return getAttribute("src");
          } catch (Exception e) {
              throw new WidgetException("Error while fetching image source", getByLocator(), e);
          }
      }
docs: /*
  (non-Javadoc)
  
  @see qc.automation.framework.widget.IImage#getSource()