经过XML入库操作 EsbmMessageProcessor 04

通过XML入库操作 EsbmMessageProcessor 04
// 通过XPath解析出Value
                xPath = doc.createXPath(xpathStr);
                if (namespaceMap != null && namespaceMap.size() > 0)
                {
                    xPath.setNamespaceURIs(namespaceMap);
                }
                node = xPath.selectSingleNode(doc);
                if (node != null)
                {
                    if (node instanceof DefaultText
                            || node instanceof DefaultAttribute)
                    {
                        value = node.getText();
                    }
                    else
                    {
                        value = node.asXML();
                    }
                }
                else
                {
                    value = "";
                }
            }
            if (logger.isDebugEnabled())
            {
                logger.debug("The field of DataBase mapping to properties key is:"
                        + entry.getKey() + " and value is:" + value);
            }
            propertiesValue.put((String) entry.getKey(), value);
        }
        return propertiesValue;
    }

    /**
     * @function:
     * @param propertiesValue
     * @param prefixMap
     *
     */
    public static void addPrefix(Map<String, String> propertiesValue,
            Map<Object, Object> prefixMap)
    {
        Iterator<Map.Entry<Object, Object>> iterator = prefixMap.entrySet()
                .iterator();
        String str = null;
        String prefix = null;
        Map.Entry<Object, Object> entry = null;
        while (iterator.hasNext())
        {
            entry = iterator.next();
            prefix = (String) entry.getKey();
            if (prefix == null || "".equals(prefix))
            {
                continue;
            }
            str = propertiesValue.get(prefix);
            str = str == null ? "" : str;
            propertiesValue.remove(prefix);
            propertiesValue.put(prefix, entry.getValue() + str);
        }
    }

    /**
     * 原始数据数据加密
     *
     * @param doc 不能为空,由调用者保证
     * @param namespaceMap 不能为空,由调用者保证
     * @param encryptMap 可以为空
     */

    public static void encryptDoc(Document doc,
            Map<Object, Object> namespaceMap, Map<Object, Object> encryptMap)
    {
        XPath xPath = null;
        Node node = null;
        Iterator<Map.Entry<Object, Object>> iterator = encryptMap.entrySet()
                .iterator();
        Map.Entry<Object, Object> entry = null;
        while (iterator.hasNext())
        {
            entry = iterator.next();
            if (entry.getValue() != null
                    && !"".equals((String) entry.getValue()))
            {
                xPath = doc.createXPath((String) entry.getValue());
                // 如果有命名空间，需要将命名加入，否将取不到数据
                if (namespaceMap != null && namespaceMap.size() > 0)
                {
                    xPath.setNamespaceURIs(namespaceMap);
                }
                // 取到要处理的节点
                node = xPath.selectSingleNode(doc);
                node.setText(EncryptUtil.encrypt(node.getText(),
                        Tools.getENCRYPT_ALGO()));
            }
        }
    }

}