code: public static List<CodedMessage> load(final Reader reader)
  		throws CodedMessageException {
  		Document document;
  		try {
  			Transformer transformer = TRANSFORMER_FACTORY.newTransformer();
  			DOMResult result = new DOMResult();
  			transformer.transform(new StreamSource(reader), result);
  			document = (Document) result.getNode();
  		} catch (TransformerException e) {
  			throw new CodedMessageException(e, "CodedMessage.LoadXMLError");
  		}
  		return load0(document.getDocumentElement());
  	}
docs: 从文件加载。
  
  @param reader
  输入流
  @return 消息记录组
  @throws CodedMessageException
  操作异常