为了基于上文我们的xml文件的架构，对其进行解析，我自己写了一个DataProviderEngine作为解析xml文件的引擎，它主要的架构如下图：
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具体细节如下，为了节省时间，我直接复制我的英文邮件内容了：
Step 1: The XMLReader read the raw test suite xml file (now we adopt the xml file ,since it is not binary file and easy to edit and version control)
Step 2: After reading ,XMLReader store the xml string into a string variable named “ originalXmlString “, this is our starting point.
Step 3: The XIncludeConverter read the originalXmlString ,and resolve the XInclude namespace ,when it resolve this file ,it will replace all the
Step 4: After replacing all
Step 5: The XMLManipulator read the convertedXmlString ,and remove all the user configuration part from such as
Step 6:After removing all config elements ,The XMLManipulator store the xml string into a new string variable named “ removeAllConfXmlString”
Step 7:Since the configuration information are removed in Step 5-6 ,but they still exist in original xml string ,so XMLModifyInfoExtractor read all the
Step 8:After analyzing all the user modification requirement ,the XMLModifyInfoExtractor store these modification info into 3 arraylists , addElementInfoList,updateElementInfoList,removeElementInfoList.
Step 9:Now it is time to begin modifying the xml ,so the XMLManipulator read the “removeAllConfXmlString” in Step 6 .
Step 10:Then XMLManipulator use all the modification info in Step 8 ,and do modification operation one by one : addElementToXML() ,updateElementFromXML(),removeElementFromXML()
Step 11: after finish all the modification ,XMLManipulator store the final xml string into string variable named “modifiedXmlString”
Step 12: Finally it convert the xml formatted string to a jsonobject and it now can be used as a data provider which can be consumed in each test case.
