String转XML转Map
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public class TestXml {
public static void main(String[] args){
String msg = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
"<document>\n" +
" <a>1</a>\n" +
" <b>\n" +
" <c>2</c>\n" +
" <c>4</c>\n" +
" <c>5</c>\n" +
" </b>\n" +
" <b>\n" +
" <c>2</c>\n" +
" <c>3</c>\n" +
" </b>\n" +
"</document>";
Document doc = getXmlFromStr(msg);
Map<String, Object> map = xmlToMap(doc);
}
private static Document getXmlFromStr(String msg){
try {
Document dom = DocumentHelper.parseText(msg);
return dom;
} catch (DocumentException e) {
e.printStackTrace();
}
return null;
}
/**
* XML转为Map集合
* @param doc
* @return
*/
private static Map<String, Object> xmlToMap(Document doc){
Map<String, Object> msg = new HashMap<String, Object>();
Element root = doc.getRootElement();
for (Iterator iterator = root.elementIterator(); iterator.hasNext();) {
Element e = (Element) iterator.next();
List list = e.elements();
if(list.size() > 0){
msg.put(e.getName(), Dom2Map(e));
}else
msg.put(e.getName(), e.getText());
}
return msg;
}
/**
* 深度
* @param e
* @return
*/
private static Map<String, Object> Dom2Map(Element e){
Map<String, Object> map = new HashMap<String, Object>();
List list = e.elements();
if(list.size() > 0){
for (int i = 0;i < list.size(); i++) {
Element iter = (Element) list.get(i);
List<Object> mapList = new ArrayList<Object>();
if(iter.elements().size() > 0){
Map<String, Object> m = Dom2Map(iter);
if(map.get(iter.getName()) != null){
Object obj = map.get(iter.getName());
if(!obj.getClass().getName().equals("java.util.ArrayList")){
mapList = new ArrayList<Object>();
mapList.add(obj);
mapList.add(m);
}
if(obj.getClass().getName().equals("java.util.ArrayList")){
mapList = (List) obj;
mapList.add(m);
}
map.put(iter.getName(), mapList);
}else
map.put(iter.getName(), m);
}
else{
if(map.get(iter.getName()) != null){
Object obj = map.get(iter.getName());
if(!obj.getClass().getName().equals("java.util.ArrayList")){
mapList = new ArrayList<Object>();
mapList.add(obj);
mapList.add(iter.getText());
}
if(obj.getClass().getName().equals("java.util.ArrayList")){
mapList = (List) obj;
mapList.add(iter.getText());
}
map.put(iter.getName(), mapList);
}else
map.put(iter.getName(), iter.getText());
}
}
}else
map.put(e.getName(), e.getText());
return map;
}
}
public static void main(String[] args){
String msg = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
"<document>\n" +
" <a>1</a>\n" +
" <b>\n" +
" <c>2</c>\n" +
" <c>4</c>\n" +
" <c>5</c>\n" +
" </b>\n" +
" <b>\n" +
" <c>2</c>\n" +
" <c>3</c>\n" +
" </b>\n" +
"</document>";
Document doc = getXmlFromStr(msg);
Map<String, Object> map = xmlToMap(doc);
}
private static Document getXmlFromStr(String msg){
try {
Document dom = DocumentHelper.parseText(msg);
return dom;
} catch (DocumentException e) {
e.printStackTrace();
}
return null;
}
/**
* XML转为Map集合
* @param doc
* @return
*/
private static Map<String, Object> xmlToMap(Document doc){
Map<String, Object> msg = new HashMap<String, Object>();
Element root = doc.getRootElement();
for (Iterator iterator = root.elementIterator(); iterator.hasNext();) {
Element e = (Element) iterator.next();
List list = e.elements();
if(list.size() > 0){
msg.put(e.getName(), Dom2Map(e));
}else
msg.put(e.getName(), e.getText());
}
return msg;
}
/**
* 深度
* @param e
* @return
*/
private static Map<String, Object> Dom2Map(Element e){
Map<String, Object> map = new HashMap<String, Object>();
List list = e.elements();
if(list.size() > 0){
for (int i = 0;i < list.size(); i++) {
Element iter = (Element) list.get(i);
List<Object> mapList = new ArrayList<Object>();
if(iter.elements().size() > 0){
Map<String, Object> m = Dom2Map(iter);
if(map.get(iter.getName()) != null){
Object obj = map.get(iter.getName());
if(!obj.getClass().getName().equals("java.util.ArrayList")){
mapList = new ArrayList<Object>();
mapList.add(obj);
mapList.add(m);
}
if(obj.getClass().getName().equals("java.util.ArrayList")){
mapList = (List) obj;
mapList.add(m);
}
map.put(iter.getName(), mapList);
}else
map.put(iter.getName(), m);
}
else{
if(map.get(iter.getName()) != null){
Object obj = map.get(iter.getName());
if(!obj.getClass().getName().equals("java.util.ArrayList")){
mapList = new ArrayList<Object>();
mapList.add(obj);
mapList.add(iter.getText());
}
if(obj.getClass().getName().equals("java.util.ArrayList")){
mapList = (List) obj;
mapList.add(iter.getText());
}
map.put(iter.getName(), mapList);
}else
map.put(iter.getName(), iter.getText());
}
}
}else
map.put(e.getName(), e.getText());
return map;
}
}
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