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Java Source Code
/*
* Copyright (C) 2011 The Android Open Source Project
*/*fromwww.java2s.com*/
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/package com.android.volley.toolbox;
import com.android.volley.NetworkResponse;
import com.android.volley.ParseError;
import com.android.volley.Response;
import com.android.volley.Response.ErrorListener;
import com.android.volley.Response.Listener;
import org.json.JSONArray;
import org.json.JSONException;
import java.io.UnsupportedEncodingException;
/**
* A request for retrieving a {@link JSONArray} response body at a given URL.
*/publicclass JsonArrayRequest extends JsonRequest<JSONArray> {
/**
* Creates a new request.
* @param url URL to fetch the JSON from
* @param listener Listener to receive the JSON response
* @param errorListener Error listener, or null to ignore errors.
*/public JsonArrayRequest(String url, Listener<JSONArray> listener, ErrorListener errorListener) {
super(Method.GET, url, null, listener, errorListener);
}
@Override
protected Response<JSONArray> parseNetworkResponse(NetworkResponse response) {
try {
String jsonString =
new String(response.data, HttpHeaderParser.parseCharset(response.headers));
return Response.success(new JSONArray(jsonString),
HttpHeaderParser.parseCacheHeaders(response));
} catch (UnsupportedEncodingException e) {
return Response.error(new ParseError(e));
} catch (JSONException je) {
return Response.error(new ParseError(je));
}
}
}