问Android Volley Server XML请求

EN

public class XmlGsonRequest<T> extends Request<T> {

public static final int XML_REQUEST = 1;
public static final int GSON_REQUEST = 2;

private Gson mGson;
private Serializer mSerializer;
private final Class<T> mClazz;
private final Listener<T> mListener;
private final int mRequestType;


public XmlGsonRequest(int method, int requestType, String url, Class<T> clazz, Listener<T> listener,
        ErrorListener errorListener) {
    super(method, url, errorListener);
    mClazz = clazz;
    mListener = listener;
    mRequestType = requestType;
}

@Override
protected void deliverResponse(T response) {
    mListener.onResponse(response);
}

@Override
protected Response<T> parseNetworkResponse(NetworkResponse response) {
    try {
        String source = new String(response.data, HttpHeaderParser.parseCharset(response.headers));

        if (mRequestType == XML_REQUEST) {

            mSerializer = new Persister();
            Reader reader = new StringReader(source);
            return Response.success(mSerializer.read(mClazz, reader, false),
                    HttpHeaderParser.parseCacheHeaders(response));

        } else if (mRequestType == GSON_REQUEST) {

            mGson = new Gson();
            return Response.success(mGson.fromJson(source, mClazz), HttpHeaderParser.parseCacheHeaders(response));

        } else {
            return null;
        }

    } catch (UnsupportedEncodingException e) {
        return Response.error(new ParseError(e));
    } catch (JsonSyntaxException e) {
        return Response.error(new ParseError(e));
    } catch (Exception e) {
        return Response.error(new ParseError(e));
    }
}
}