XML数据转换为Map工具类-XmlMapUtils

一时失言乱红尘 2022-05-21 08:00 167阅读 0赞

架包引用：

代码：

import org.dom4j.Document;
    import org.dom4j.DocumentException;
    import org.dom4j.DocumentHelper;
    import org.dom4j.Element;
    
    import java.util.*;
    
    /** * Copyright (C), 2011-2018 {company} * FileName: com.mina.utils.XmlMapUtils.java * Author: xxx * Email: xxx * Date: 2018/6/15 23:04 * Description: 将xml转换成Map * History: * <Author> <Time> <version> <desc> * {xxx} 23:04 1.0 Create */ public class XmlMapUtils {
    
        /** * 将xml转换成Map * @param xml * @return */ public static Map<String, Object> xmlToMap(String xml) {
            Document doc = null;
            try {
                doc = DocumentHelper.parseText(xml);
            } catch (DocumentException e) {
                e.printStackTrace();
            }
            Map<String, Object> map = new HashMap<String, Object>();
            if (doc == null)
                return map;
            Element rootElement = doc.getRootElement();
            element2map(rootElement, map);
            return map;
        }
    
        private static void element2map(Element elmt, Map<String, Object> map) {
            if (null == elmt) {
                return;
            }
            String name = elmt.getName();
            if (elmt.isTextOnly()) {
                map.put(name, elmt.getText());
            } else {
                Map<String, Object> mapSub = new HashMap<String, Object>();
                List<Element> elements = (List<Element>) elmt.elements();
                for (Element elmtSub : elements) {
                    element2map(elmtSub, mapSub);
                }
                Object first = map.get(name);
                if (null == first) {
                    map.put(name, mapSub);
                } else {
                    if (first instanceof List<?>) {
                        ((List) first).add(mapSub);
                    } else {
                        List<Object> listSub = new ArrayList<Object>();
                        listSub.add(first);
                        listSub.add(mapSub);
                        map.put(name, listSub);
                    }
                }
            }
        }
    }