staxon实现json和xml互转

<dependency>
<groupId>de.odysseus.staxon</groupId>
<artifactId>staxon</artifactId>
<version>1.3</version>
</dependency>

package com.nihaorz.utils;

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 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;

public class StaxonUtils {
/**
* 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();
}
}
if (output.toString().length() >= 38) {
// remove <?xml version="1.0" encoding="UTF-8"?>
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();
}
}

package com.nihaorz.xmltojson;

import org.junit.Test;

import com.nihaorz.utils.StaxonUtils;

public class UtilsTest {

@Test
public void test_xmltojson(){
String xml = "<goods><name type=\"book\" prices=\"100\">钢铁是怎样炼成的</name><name1 type='book' prices='100'>钢铁是怎样炼成的</name1><name type='book' prices='100'>钢铁是怎样炼成的</name></goods>";
System.out.println(xml);
String json = StaxonUtils.xml2json(xml);
System.out.println(json);
}

@Test
public void test_jsontoxml(){
String json = "{\"goods\":{\"name\":{\"@prices\":100,\"@type\":\"book\",\"$\":\"钢铁是怎样炼成的\"},\"name1\":{\"@prices\":\"100\",\"@type\":\"book\",\"$\":\"钢铁是怎样炼成的\"},\"name\":{\"@prices\":\"100\",\"@type\":\"book\",\"$\":\"钢铁是怎样炼成的\"}}}";
System.out.println(json);
String xml = StaxonUtils.json2xml(json);
System.out.println(xml);
}

}