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| package com.sniip.app.network; | |
| import com.android.volley.AuthFailureError; | |
| import com.android.volley.NetworkResponse; | |
| import com.android.volley.ParseError; | |
| import com.android.volley.Request; | |
| import com.android.volley.Response; | |
| import com.android.volley.Response.ErrorListener; | |
| import com.android.volley.Response.Listener; | |
| import com.android.volley.toolbox.HttpHeaderParser; | |
| import com.google.gson.Gson; | |
| import com.google.gson.JsonSyntaxException; | |
| import java.io.UnsupportedEncodingException; | |
| import java.util.Map; | |
| /** | |
| * Volley adapter for JSON requests that will be parsed into Java objects by Gson. | |
| */ | |
| public class GsonRequest<T> extends Request<T> { | |
| private final Gson gson = new Gson(); | |
| private final Class<T> clazz; | |
| private final Map<String, String> headers; | |
| private final Map<String, String> params; | |
| private final Listener<T> listener; | |
| /** | |
| * Make a GET request and return a parsed object from JSON. | |
| * | |
| * @param method {@link com.android.volley.Request.Method} of the request | |
| * @param url URL of the request to make | |
| * @param clazz Relevant class object, for Gson's reflection | |
| * @param headers Map of request headers | |
| * @param params Map of request params | |
| * @param listener | |
| */ | |
| public GsonRequest(int method, String url, Class<T> clazz, Map<String, String> headers, Map<String, String> params, Listener<T> listener, ErrorListener errorListener) { | |
| super(method, url, errorListener); | |
| this.clazz = clazz; | |
| this.headers = headers; | |
| this.params = params; | |
| this.listener = listener; | |
| } | |
| @Override | |
| public Map<String, String> getHeaders() throws AuthFailureError { | |
| return headers != null ? headers : super.getHeaders(); | |
| } | |
| @Override | |
| protected void deliverResponse(T response) { | |
| listener.onResponse(response); | |
| } | |
| @Override | |
| protected Response<T> parseNetworkResponse(NetworkResponse response) { | |
| try { | |
| String json = new String(response.data, | |
| HttpHeaderParser.parseCharset(response.headers)); | |
| return Response.success(gson.fromJson(json, clazz), | |
| HttpHeaderParser.parseCacheHeaders(response)); | |
| } catch (UnsupportedEncodingException e) { | |
| return Response.error(new ParseError(e)); | |
| } catch (JsonSyntaxException e) { | |
| return Response.error(new ParseError(e)); | |
| } | |
| } | |
| @Override | |
| public Map<String, String> getParams() { | |
| return params; | |
| } | |
| } |
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