Stringxml转document

/**
* 分析银行返回XML 
* @param xml
*/
public void analyzeXml(String xml,Integer id){
logger.info(xml);
Document document = null;
UserCashDetailQuery userCashDetailQuery = new UserCashDetailQuery();
userCashDetailQuery.setUserCahDetailId(id);
try{
document = DocumentHelper.parseText(xml);
Element rootElt = document.getRootElement();
Element statusElement = rootElt.element("status");
Element statusTextElement = rootElt.element("statusText");
String status = statusElement.getText();
String statusText = statusTextElement.getText();
if(CashConst.AAAAAAE.equals(status)||CashConst.ED03074.equals(status)){
userCashDetailQuery.setCashState(Const.CASE_STATE_SIX);
}else{
if(!BankErrorCodeUtil.checkErrorCode(status)){
BankErrorCodeUtil.addErrorCode(status, statusText);
}
userCashDetailQuery.setCashState(Const.CASE_STATE_FOUR);
}
//userCashDetailQuery.setReason("交易状态信息:"+statusText);
userCashDetailQuery.setReason(statusText);
pPayAccountServiceImpl.updateUserCashDetailById(userCashDetailQuery);
}catch(DocumentException e){
e.printStackTrace();
}catch(Exception e){
e.printStackTrace();
}finally{
System.gc();
}
}