JsonArrayRequest.java revision 3713094c56d25e25df2a508dbee4aea869ffdea1 
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.volley.toolbox;
18
19import com.android.volley.NetworkResponse;
20import com.android.volley.ParseError;
21import com.android.volley.Response;
22import com.android.volley.Response.ErrorListener;
23import com.android.volley.Response.Listener;
24
25import org.json.JSONArray;
26import org.json.JSONException;
27
28/**
29 * A request for retrieving a {@link JSONArray} response body at a given URL.
30 */
31public class JsonArrayRequest extends JsonRequest<JSONArray> {
32
33    /**
34     * Creates a new request.
35     * @param url URL to fetch the JSON from
36     * @param listener Listener to receive the JSON response
37     * @param errorListener Error listener, or null to ignore errors.
38     */
39    public JsonArrayRequest(String url, Listener<JSONArray> listener, ErrorListener errorListener) {
40        super(url, null, listener, errorListener);
41    }
42
43    @Override
44    protected Response<JSONArray> parseNetworkResponse(NetworkResponse response) {
45        try {
46            return Response.success(new JSONArray(new String(response.data)), null);
47        } catch (JSONException je) {
48            return Response.error(new ParseError(je));
49        }
50    }
51}
52