Xml 轉 Map 解析工具類

Xml - Map 轉換工具類

1 導入依賴

 <!--xml 轉 json-->
<!-- for staxon -->
<dependency>
    <groupId>de.odysseus.staxon</groupId>
    <artifactId>staxon</artifactId>
    <version>1.2</version>
</dependency>
<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.2.47</version>
</dependency>

2 Code

package org.study.springboot_study.util;

import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;

import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLEventWriter;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLOutputFactory;

import com.alibaba.fastjson.JSONObject;
import de.odysseus.staxon.json.JsonXMLConfig;
import de.odysseus.staxon.json.JsonXMLConfigBuilder;
import de.odysseus.staxon.json.JsonXMLInputFactory;
import de.odysseus.staxon.json.JsonXMLOutputFactory;
import de.odysseus.staxon.xml.util.PrettyXMLEventWriter;

/**
 * @Author: huangwenjun
 * @Description:
 * @Date: Created in 14:15  2018/7/6
 **/
public class ConverUtil {

    /**
     * json string convert to xml string
     */
    public static String json2xml(String json){
        StringReader input = new StringReader(json);
        StringWriter output = new StringWriter();
        JsonXMLConfig config = new JsonXMLConfigBuilder().multiplePI(false).repairingNamespaces(false).build();
        try {
            XMLEventReader reader = new JsonXMLInputFactory(config).createXMLEventReader(input);
            XMLEventWriter writer = XMLOutputFactory.newInstance().createXMLEventWriter(output);
            writer = new PrettyXMLEventWriter(writer);
            writer.add(reader);
            reader.close();
            writer.close();
        } catch( Exception e){
            e.printStackTrace();
        } finally {
            try {
                output.close();
                input.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        //remove <?xml version="1.0" encoding="UTF-8"?>
        if(output.toString().length()>=38){
            return output.toString().substring(39);
        }
        return output.toString();
    }

    /**
     * xml string convert to json string
     */
    public static String xml2json(String xml){
        StringReader input = new StringReader(xml);
        StringWriter output = new StringWriter();
        JsonXMLConfig config = new JsonXMLConfigBuilder().autoArray(true).autoPrimitive(true).prettyPrint(true).build();
        try {
            XMLEventReader reader = XMLInputFactory.newInstance().createXMLEventReader(input);
            XMLEventWriter writer = new JsonXMLOutputFactory(config).createXMLEventWriter(output);
            writer.add(reader);
            reader.close();
            writer.close();
        } catch( Exception e){
            e.printStackTrace();
        } finally {
            try {
                output.close();
                input.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return output.toString();
    }

    /**
     * xml string convert to json obj
     */
    public static JSONObject xml2jsonObj(String xml){
        return JSONObject.parseObject(xml2json(xml));
    }
}