@XmlRootElement(name = "mList")
@XmlSeeAlso({mClass.class, opClass.class})
public class workList<T>  {
	
	@XmlAnyElement
	private List<T> mList;
	
	public List<T> getMList() {
		if (mList == null) {
			mList = new ArrayList<T>();
		}

		return mList;
	}

	public void setMList(List<T> mList) {
		this.mList = mList;
	}

}

        URL url = new URL("http://localhost:8080/rest");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");
        conn.setRequestProperty("Accept", "application/xml");

       JAXBContext xmlBindingContext = JAXBContext.newInstance(mClass.class, opClass.class,workList.class);
        InputStream xml = conn.getInputStream();
        workList<mClass> ret = (workList<mClass>) xmlBindingContext.createUnmarshaller().unmarshal(xml);

            if(ret!=null){
                    for(mClass p:ret.getMList()){
                        System.out.println(p.toString());
                    }
            }

        Client client = Client.create();
        WebResource resource = client.resource("http://localhost:8080");


        workList<mClass> ret = resource.path("rest")
                .accept(MediaType.APPLICATION_XML_TYPE)
                .get(workList<mClass>);
            if(ret!=null){
                    for(mClass p:ret.getMList()){
                        System.out.println(p.toString());
                    }
            }

@XmlRootElement(name = "mList")
@XmlAccessorType(XmlAccessType.FIELD)
@XmlSeeAlso({mClass.class, opClass.class})
public class workList<T>  {
	
	@XmlAnyElement(lax=true)
	private List<T> mList;
	
	public List<T> getMList() {
		if (mList == null) {
			mList = new ArrayList<T>();
		}

		return mList;
	}

	public void setMList(List<T> mList) {
		this.mList = mList;
	}

}