/* * 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.Request; import com.derson.pumelo.network.volley.Response; import com.derson.pumelo.network.volley.VolleyLog; import java.io.UnsupportedEncodingException; import java.lang.reflect.Method; /** * A request for retrieving a T type response body at a given URL that also * optionally sends along a JSON body in the request specified. * * @param <T> JSON type of response expected */ public abstract class JsonRequest<T> extends Request<T> { /** Default charset for JSON request. */ protected static final String PROTOCOL_CHARSET = "utf-8"; /** Content type for request. */ private static final String PROTOCOL_CONTENT_TYPE = String.format("application/json; charset=%s", PROTOCOL_CHARSET); private final Response.Listener<T> mListener; private final String mRequestBody; /** * Deprecated constructor for a JsonRequest which defaults to GET unless {@link #getPostBody()} * or {@link #getPostParams()} is overridden (which defaults to POST). * * @deprecated Use {@link #JsonRequest(int, String, String, com.derson.pumelo.network.volley.Response.Listener, com.derson.pumelo.network.volley.Response.ErrorListener)}. */ public JsonRequest(String url, String requestBody, Response.Listener<T> listener, Response.ErrorListener errorListener) { this(Method.DEPRECATED_GET_OR_POST, url, requestBody, listener, errorListener); } public JsonRequest(int method,String url, String requestBody, Response.Listener<T> listener, Response.ErrorListener errorListener) { super(method, url, errorListener); mListener = listener; mRequestBody = requestBody; } @Override protected void deliverResponse(int methodId, T response) { mListener.onResponse(methodId, response); } @Override abstract protected Response<T> parseNetworkResponse(NetworkResponse response); /** * @deprecated Use {@link #getBodyContentType()}. */ @Override public String getPostBodyContentType() { return getBodyContentType(); } /** * @deprecated Use {@link #getBody()}. */ @Override public byte[] getPostBody() { return getBody(); } @Override public String getBodyContentType() { return PROTOCOL_CONTENT_TYPE; } @Override public byte[] getBody() { try { return mRequestBody == null ? null : mRequestBody.getBytes(PROTOCOL_CHARSET); } catch (UnsupportedEncodingException uee) { VolleyLog.wtf("Unsupported Encoding while trying to get the bytes of %s using %s", mRequestBody, PROTOCOL_CHARSET); return null; } } }