private String processNodeName(Tree node){
  String code=node.getText();
  try {
    NodeName nodeName=NodeName.findByCode(code);
    return nodeName.getName();
  }
 catch (  NodeNameForCodeDoesNotExistException e) {
  }
  return code;
}

private String processNodeName ( Tree node ) { String code = node . getText ( ) ; try { NodeName nodeName = NodeName . findByCode ( code ) ; return nodeName . getName ( ) ; } catch ( NodeNameForCodeDoesNotExistException e ) { } return code ; }
some characters are forbidden as xml node , so process them
