// load from xml found on IOEDiagram
      Diagram.registerItemClass( Custom1Node.class, "Custom1Node", 1 );
      Diagram.registerItemClass( StyledTextComponent.class, "StyledTextComponent", 1 );
      Diagram.registerItemClass( TitleNode.class, "TitleNode", 1 );
      Diagram diagram = new Diagram();
      diagram.addDiagramListener( new DiagramAdapter()
      {
        @SuppressWarnings({"RefusedBequest", "MethodDoesntCallSuperMethod"})
        @Override
        public void serializeTag( SerializeTagEvent serializeTagEvent )
        {
          onSerializeTag( serializeTagEvent );
        }

        @SuppressWarnings({"RefusedBequest", "MethodDoesntCallSuperMethod"})
        @Override
        public void deserializeTag( SerializeTagEvent serializeTagEvent )
        {
          onDeserializeTag( serializeTagEvent );
        }
      } );
      try
      {
        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = documentBuilderFactory.newDocumentBuilder();
        StringReader reader = new StringReader( myDiagramHolder.getXml() );
        Document doc = builder.parse( new InputSource( reader ) );

        diagram.loadFromXml( doc, false );
      }
      catch (SAXException | ParserConfigurationException | IOException | XmlException se)
      {
        logger.error( "Failed to load diagram from XML", se );
      }