将json转化为xml

package org.luck.xml;

import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.google.gson.JsonPrimitive;
import org.junit.jupiter.api.Test;
import org.w3c.dom.*;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.dom.DOMSource;
import java.io.File;

public class JsonToXml {
    private static final String json ="{\"configuration\":{\"pa\":{\"-name\":\"party\",\"papa\":{\"-active\":\"pm 11:10:10\",\"#text\":\"Party hotel\"}},\"wumans\":{\"wuman\":[{\"-name\":\"tic\",\"#text\":\"1\"},{\"-name\":\"sa\",\"#text\":\"2\"},{\"-name\":\"mis zhang\",\"#text\":\"3\"},{\"-name\":\"mis li\",\"#text\":\"4\"}]},\"active\":[\"underground\",\"public\"],\"mans\":{\"man\":[{\"-name\":\"tom\",\"#text\":\"1\"},{\"-name\":\"jact\",\"#text\":\"2\"},{\"-name\":\"pa\",\"#text\":\"3\"},{\"-name\":\"mr li\",\"#text\":\"4\"}]}}}";
    @Test
    public void test() throws ParserConfigurationException, TransformerException {
        //获取json的解析器 并解析json字符串
        JsonElement je = new JsonParser().parse(json);
        Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
        document.setXmlVersion("1.0");
        System.out.println(document.toString());
        parse(je, document,document,null);
        Transformer transformer = TransformerFactory.newInstance().newTransformer();
        transformer.transform(new DOMSource(document),new StreamResult(new File("C:\\Users\\Administrator\\Desktop\\notebook\\test1.xml")));
    }
    /**
     * 解析json
     */
    private void parse(JsonElement je, Document document, Node element,String name){

        if(je.isJsonObject()){
            JsonObject jo = je.getAsJsonObject();
            //获取节点的所有子节点
            jo.entrySet().forEach(x->{
                String key = x.getKey();
                Node parse;
                if(key.equals("#text")){
                    parse = document.createTextNode(key);
                    parse(x.getValue(),document,parse,null);
                    element.appendChild(parse);
                }else if(key.startsWith("-")) {
                    String keyWord = key.substring(1);
                    Attr attribute = document.createAttribute(keyWord);
                    attribute.setValue(((JsonPrimitive)x.getValue()).getAsString());
                    ((Element)element).setAttributeNode(attribute);
                }else {
                    if(x.getValue().isJsonArray()){
                        parse(x.getValue(),document,element,key);
                    }else{
                        parse = document.createElement(key);
                        parse(x.getValue(),document,parse,key);
                        element.appendChild(parse);
                    }
                }
            });
        }else if(je.isJsonArray()){//数组节点
            je.getAsJsonArray().forEach(x->{
                Element parse = document.createElement(name);
                parse(x, document,parse,name);
                element.appendChild(parse);
            });
        }else if(je.isJsonPrimitive()){
            element.setTextContent(je.getAsJsonPrimitive().getAsString());
        }
    }
}

 

转载于:https://my.oschina.net/u/3959547/blog/1982255