Sample code sharing of XML character to Map tool class

XMLCharacter conversionMapSample code sharing of tool class

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;

public class XmlUtils {

    public static Map<String, Object> Str2Map(String str){
        try {
//            long beginTime = System.currentTimeMillis();
            Document doc = DocumentHelper.parseText(str);
//            System.out.println(doc.asXML());
            Map<String, Object> map = XmlUtils.Dom2Map(doc);
//            System.out.println(map.toString());
//            System.out.println("Use time:"+(System.currentTimeMillis()-beginTime));
            return map;
        } catch (DocumentException e) {
            e.printStackTrace();
        }
        return null;
    }
    
    public static Map<String, Object> Dom2Map(Document doc){ 
        Map<String, Object> map = new HashMap<String, Object>(); 
        if(doc == null) 
            return map; 
        Element root = doc.getRootElement(); 
        for (Iterator iterator = root.elementIterator(); iterator.hasNext();) { 
            Element e = (Element) iterator.next(); 
            List list = e.elements(); 
            if(list.size() > 0){ 
                map.put(e.getName(), Dom2Map(e)); 
            }else 
                map.put(e.getName(), e.getText()); 
        } 
        return map; 
    } 
    
    @SuppressWarnings("unchecked")
    public static Map Dom2Map(Element e){ 
        Map map = new HashMap(); 
        List list = e.elements(); 
        if(list.size() > 0){ 
            for (int i = 0;i < list.size(); i++) { 
                Element iter = (Element) list.get(i); 
                List mapList = new ArrayList(); 

                if(iter.elements().size() > 0){ 
                    Map 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(); 
                            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(); 
                            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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