Android(安卓)Volley自定义Request(JSON)

/** * 自定义JsonRequest * Created by lezg on 2014/8/16. */public class MyJsonRequest extends JsonRequest> {    public MyJsonRequest(String url,Response.Listener> listener,                         Response.ErrorListener errorListener) {        this(Method.GET, url,listener, errorListener);    }    public MyJsonRequest(int method, String url,                         Response.Listener> listener,                         Response.ErrorListener errorListener) {        super(method, url, null, listener, errorListener);    }    @Override    protected Response> parseNetworkResponse(NetworkResponse response) {        try {            String name = Thread.currentThread().getName();            System.out.println(name);            ArrayList result = new ArrayList();            String json = new String(response.data, HttpHeaderParser.parseCharset(response.headers));            JSONObject jsonObject = new JSONObject(json).getJSONObject("value");            JSONArray jsonArray = jsonObject.getJSONArray("items");            for (int i = 0; i < jsonArray.length(); ++i) {                JSONObject item = jsonArray.getJSONObject(i);                News newData = new News();                newData.setTitle(item.optString("title"));                newData.setDescription(item.optString("description"));                newData.setPublishDate(item.optString("pubDate"));                result.add(newData);            }            return Response.success(result, HttpHeaderParser.parseCacheHeaders(response));        } catch (UnsupportedEncodingException e) {            return Response.error(new ParseError(e));        }catch (JSONException e){            return Response.error(new ParseError(e));        }    }}

public class GsonRequest extends Request {    private final Class mClazz;    private final Response.Listener mListener;    public GsonRequest(String url, Class mClazz, Response.Listener listener,                       Response.ErrorListener errorListener) {        this(Method.GET, url, mClazz, listener, errorListener);    }    public GsonRequest(int method, String url, Class mClazz, Response.Listener listener,                       Response.ErrorListener errorListener) {        super(method, url, errorListener);        this.mListener = listener;        this.mClazz = mClazz;    }    @Override    protected Response parseNetworkResponse(NetworkResponse response) {        try {            String jsonStr = new String(response.data, HttpHeaderParser.parseCharset(response.headers));            Gson gson = new Gson();            return Response.success(gson.fromJson(jsonStr, mClazz), HttpHeaderParser.parseCacheHeaders(response));        } catch (UnsupportedEncodingException e) {            return Response.error(new ParseError(e));        } catch (JsonSyntaxException e) {            return Response.error(new ParseError(e));        }    }    @Override    protected void deliverResponse(T response) {        mListener.onResponse(response);    }}

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