public Exception deserialize()

in src/main/java/com/aliyun/mns/model/serialize/queue/ErrorReceiptHandleListDeserializer.java [45:80]

• 27 lines of code
• 7 McCabe index (conditional complexity)

    public Exception deserialize(InputStream stream) throws Exception {

        // byte[] bytes = new byte[1024];
        // while(stream.read(bytes, 0, stream.available())>0){
        // System.out.println(new String(bytes));
        // }
        Document doc = getDocumentBuilder().parse(stream);
        Exception ret = null;
        Element root = doc.getDocumentElement();

        if (root != null) {
            String rootName = root.getNodeName();

            if (rootName == ERROR_LIST_TAG) {
                NodeList list = doc.getElementsByTagName(ERROR_TAG);
                if (list != null && list.getLength() > 0) {
                    Map<String, ErrorMessageResult> results = new HashMap<String, ErrorMessageResult>();

                    for (int i = 0; i < list.getLength(); i++) {
                        String receiptHandle = parseReceiptHandle((Element) list.item(i));
                        ErrorMessageResult result = parseErrorResult((Element) list.item(i));
                        results.put(receiptHandle, result);

                    }
                    ret = new BatchDeleteException(results);
                }
            } else if (rootName == ERROR_TAG) {
                String code = safeGetElementContent(root, ERROR_CODE_TAG, "");
                String message = safeGetElementContent(root, ERROR_MESSAGE_TAG, "");
                String requestId = safeGetElementContent(root, ERROR_REQUEST_ID_TAG, "");
                String hostId = safeGetElementContent(root, ERROR_HOST_ID_TAG, "");
                ret = new ServiceException(message, null, code, requestId, hostId);
            }
        }
        return ret;
    }