xml解析多重节点

xml为：
<friendShares>
<totalCount>352</totalCount>
<friendShare>
<code>XXXXXXX</code>
<date>2010-01-15T00:00:00+08:00</date>
<friendId>499</friendId>
<movie>
<code>XXXXXX</code>
<contentId>89718</contentId>
<movieName>机动部队警例</movieName>
<picPath>/20090817/189736.gif</picPath>
</movie>
<nickName>xjmy</nickName>
<recommendId>32769</recommendId>
<uid>499</uid>
</friendShare>
<friendShare>
<code>XXXXXXX</code>
<date>2010-01-15T00:00:00+08:00</date>
<friendId>499</friendId>
<movie>
<code>XXXXXX</code>
<contentId>89718</contentId>
<movieName>机动部队警例</movieName>
<picPath>/20090817/189736.gif</picPath>
</movie>
<nickName>xjmy</nickName>
<recommendId>32769</recommendId>
<uid>499</uid>
</friendShare>
</friendShares>
java代码：
Document doc;
try {
doc = DocumentBuilderFactory.newInstance().newDocumentBuilder()
.parse(new InputSource(new StringReader(xml)));
NodeList nl = doc.getElementsByTagName("totalCount");
if(doc.getElementsByTagName("totalCount").item(0)!=null){
if(doc.getElementsByTagName("totalCount").item(0).getFirstChild()!=null){
int totalCount=Integer.parseInt(doc.getElementsByTagName("totalCount").item(0).getFirstChild().getNodeValue());
nl = doc.getElementsByTagName("friendShare");
for (int i=0;i<nl.getLength();i++){
IptvMembers members=new IptvMembers();
members.setCount(totalCount);
if(doc.getElementsByTagName("date").item(i)!=null){
if(doc.getElementsByTagName("date").item(i).getFirstChild()!=null){
String date=doc.getElementsByTagName("date").item(i).getFirstChild().getNodeValue();
date=date.replaceAll("T&q