/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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.derson.pumelo.network.volley.toolbox;
import com.derson.pumelo.network.volley.NetworkResponse;
import com.derson.pumelo.network.volley.ParseError;
import com.derson.pumelo.network.volley.Response;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.UnsupportedEncodingException;
/**
* A request for retrieving a {@link org.json.JSONObject} response body at a given URL, allowing for an
* optional {@link org.json.JSONObject} to be passed in as part of the request body.
*/
public class JsonObjectRequest extends JsonRequest<JSONObject> {
/**
* Creates a new request.
* @param method the HTTP method to use
* @param url URL to fetch the JSON from
* @param requestBody A {@link String} to post with the request. Null is allowed and
* indicates no parameters will be posted along with request.
* @param listener Listener to receive the JSON response
* @param errorListener Error listener, or null to ignore errors.
*/
public JsonObjectRequest(int method,String url, String requestBody,
Response.Listener<JSONObject> listener, Response.ErrorListener errorListener) {
super(method,url, requestBody, listener,
errorListener);
}
/**
* 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 JsonObjectRequest(String url, Response.Listener<JSONObject> listener, Response.ErrorListener errorListener) {
super(Method.GET,url, null, listener, errorListener);
}
/**
* Creates a new request.
* @param method the HTTP method to use
* @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 JsonObjectRequest(int method,String url, Response.Listener<JSONObject> listener, Response.ErrorListener errorListener) {
super(method, url, null, listener, errorListener);
}
/**
* Creates a new request.
* @param method the HTTP method to use
* @param url URL to fetch the JSON from
* @param jsonRequest A {@link org.json.JSONObject} to post with the request. Null is allowed and
* indicates no parameters will be posted along with request.
* @param listener Listener to receive the JSON response
* @param errorListener Error listener, or null to ignore errors.
*/
public JsonObjectRequest(int method, String url, JSONObject jsonRequest,
Response.Listener<JSONObject> listener, Response.ErrorListener errorListener) {
super(method,url, (jsonRequest == null) ? null : jsonRequest.toString(), listener,
errorListener);
}
/**
* Constructor which defaults to <code>GET</code> if <code>jsonRequest</code> is
* <code>null</code>, <code>POST</code> otherwise.
*
* @see #JsonObjectRequest(int, String, org.json.JSONObject, com.derson.pumelo.network.volley.Response.Listener, com.derson.pumelo.network.volley.Response.ErrorListener)
*/
public JsonObjectRequest( String url, JSONObject jsonRequest, Response.Listener<JSONObject> listener,
Response.ErrorListener errorListener) {
this(jsonRequest == null ? Method.GET : Method.POST,url, jsonRequest,
listener, errorListener);
}
@Override
protected Response<JSONObject> parseNetworkResponse(NetworkResponse response) {
try {
String jsonString = new String(response.data,
HttpHeaderParser.parseCharset(response.headers, PROTOCOL_CHARSET));
return Response.success(new JSONObject(jsonString),
HttpHeaderParser.parseCacheHeaders(response));
} catch (UnsupportedEncodingException e) {
return Response.error(new ParseError(e));
} catch (JSONException je) {
return Response.error(new ParseError(je));
}
}
}