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/**
* Copyright (c) 2015-present, Facebook, Inc. All rights reserved.
*
* You are hereby granted a non-exclusive, worldwide, royalty-free license to
* use, copy, modify, and distribute this software in source code or binary
* form for use in connection with the web services and APIs provided by
* Facebook.
*
* As with any software that integrates with the Facebook platform, your use
* of this software is subject to the Facebook Developer Principles and
* Policies [http://developers.facebook.com/policy/]. This copyright notice
* shall be included in all copies or substantial portions of the software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
package com.facebook.ads.sdk;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import javax.net.ssl.HttpsURLConnection;
import java.io.BufferedReader;
import java.lang.StringBuilder;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.Random;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import com.google.gson.JsonArray;
import com.google.gson.JsonParser;
import com.google.gson.JsonPrimitive;
public class BatchRequest {
List requests = new ArrayList();
APIContext context = null;
public BatchRequest(APIContext context) {
this.context = context;
}
public BatchRequest addRequest(APIRequest request) {
String name = "Request" + requests.size();
addRequest(name, request);
return this;
}
public BatchRequest addRequest(String name, APIRequest request) {
if (request == null) {
throw new IllegalArgumentException("Cannot add null into batch request!");
}
this.requests.add(new Pair(name, request));
return this;
}
public List execute() throws APIException {
try {
List responses = new ArrayList();
String batchResponse = executeInternal();
context.log(batchResponse);
JsonArray jsonArray = new JsonParser().parse(batchResponse).getAsJsonArray();
if (jsonArray.size() != requests.size()) {
throw new APIException.MalformedResponseException("Batch request size is " + requests.size() + ", but response size is " + jsonArray.size());
}
for (int i = 0; i< jsonArray.size(); i++) {
if (jsonArray.get(i).isJsonNull()) {
responses.add(null);
continue;
}
JsonObject response = jsonArray.get(i).getAsJsonObject();
if (response == null || response.get("body") == null || response.get("body").isJsonNull()) {
responses.add(null);
continue;
}
if (response.get("code").getAsInt() == HttpURLConnection.HTTP_OK) {
String body = response.get("body").getAsString();
APIRequest request = requests.get(i).request;
responses.add(request.parseResponse(body));
} else {
responses.add(new APIException.FailedRequestException(response.toString()));
}
}
return responses;
} catch (IOException e) {
throw new APIException.FailedRequestException(e);
}
}
public String executeInternal() throws APIException, IOException {
Map params = new LinkedHashMap();
Map files = new HashMap();
JsonArray batch = new JsonArray();
params.put("access_token", context.getAccessToken());
if (context.hasAppSecret()) {
params.put("appsecret_proof", context.getAppSecretProof());
}
params.put("include_headers", "false");
for (Pair requestEntry : requests) {
JsonObject batchElement = new JsonObject();
BatchModeRequestInfo info = requestEntry.request.getBatchModeRequestInfo();
batchElement.addProperty("method", info.method);
batchElement.addProperty("relative_url", info.relativeUrl);
batchElement.addProperty("name", requestEntry.name);
if (info.body != null) {
batchElement.addProperty("body", info.body);
}
if (info.files != null) {
JsonObject attachedFiles = new JsonObject();
for (Map.Entry entry : info.files.entrySet()) {
File file = (File)entry.getValue();
attachedFiles.addProperty("File" + files.size(), (String)entry.getKey());
files.put("File" + files.size(), file);
}
batchElement.add("attached_files", attachedFiles);
}
batch.add(batchElement);
}
params.put("batch", batch.toString());
params.putAll(files);
return APIRequest.getExecutor().sendPost(context.getEndpointBase() + "/", params, context);
}
public static class BatchModeRequestInfo {
public String method;
public String body;
public String relativeUrl;
public Map files;
}
private static class Pair {
String name;
APIRequest request;
Pair(String name, APIRequest request) {
this.name = name;
this.request = request;
}
}
}
