xml转map json
xml转map json
<!--xml--> <dependency> <groupId>org.dom4j</groupId> <artifactId>dom4j</artifactId> <version>2.1.1</version> </dependency> <!--json--> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> </dependency>
package com.yw.test.utils;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @description: xml 转map
* @author: YW
* @time: 2020/10/12 13:09
*/
public class XmlToMapUtils {
private static final Logger logger = LoggerFactory.getLogger(XmlToMapUtils.class);
/**
* @description: xml格式字符串转换为map
* @author: YW
* @time: 2020/10/12 13:16
*/
public static Map<String, Object> multilayerXmlToMap(String xml) {
Document doc = null;
try {
doc = DocumentHelper.parseText(xml);
} catch (DocumentException e) {
logger.error("xml字符串解析，失败 --> {}", e);
}
Map<String, Object> map = new HashMap<>();
if (null == doc) {
return map;
}
// 获取根元素
Element rootElement = doc.getRootElement();
// 获取根节点下单元素
recursionXmlToMap(rootElement, map);
return map;
}
/**
* @description: 多层 递归调用 element 节点元素 outmap 用于存储xml数据的map
* @author: YW
* @time: 2020/10/12 13:14
*/
@SuppressWarnings("unchecked")
private static void recursionXmlToMap(Element element, Map<String, Object> outmap) {
// 得到根元素下的子元素列表
List<Element> list = element.elements();
int size = list.size();
if (size == 0) {
// 如果没有子元素,则将其存储进map中
outmap.put(element.getName(), element.getTextTrim());
} else {
// innermap用于存储子元素的属性名和属性值
Map<String, Object> innermap = new HashMap<>();
// 遍历子元素
list.forEach(childElement -> recursionXmlToMap(childElement, innermap));
outmap.put(element.getName(), innermap);
}
}
public static void main(String[] args) {
String s3="<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" +
"<note>\n" +
"<to>George</to>\n" +
"<from>John</from>\n" +
"<heading>Reminder</heading>\n" +
"<body>Don't forget the meeting!</body>\n" +
"</note>";
Map<String, Object> map = multilayerXmlToMap(s3);
String s = JSON.toJSONString(map, SerializerFeature.WriteMapNullValue);
System.out.println(s);
}
}
