demarshall with xstream with no root

gistfile1.java

package com.mirlitone;

import java.io.IOException;
import java.io.Writer;
import java.util.UUID;

import javax.xml.bind.JAXBException;

import org.junit.Test;

import com.enseirb.telecom.s9.Task;
import com.enseirb.telecom.s9.Task.Args;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
import com.thoughtworks.xstream.io.json.JsonHierarchicalStreamDriver;
import com.thoughtworks.xstream.io.json.JsonWriter;

public class Dummy {
	@Test
	public void testAll() throws IOException, JAXBException {

		Task task = new Task();
		task.setTask("t");
		task.setRetries("retries");
		task.setKwargs("kwargs...");
		task.setId(UUID.randomUUID().toString());
		Args args = new Args();
		args.getArg().add("arg1");
		args.getArg().add("arg2");

		task.setArgs(args);

		XStream xstream = new XStream(new JsonHierarchicalStreamDriver() {
			public HierarchicalStreamWriter createWriter(Writer writer) {
				return new JsonWriter(writer, JsonWriter.DROP_ROOT_MODE);
			}
		});

		System.out.println(xstream.toXML(task));
		
//		{
//			  "id": "0af8243a-6503-464a-9ac0-2676a05371a0",
//			  "task": "t",
//			  "args": {
//			    "arg": [
//			      "arg1",
//			      "arg2"
//			    ]
//			  },
//			  "kwargs": "kwargs...",
//			  "retries": "retries"
//			}


	}

}

ajouter

    <dependency>
        <groupId>com.thoughtworks.xstream</groupId>
        <artifactId>xstream</artifactId>
        <version>1.4.7</version>
    </dependency>

en dépendance