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Facebook Ads SDK for Java
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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 com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;

public class APINodeList extends ArrayList implements APIResponse {
    private String before;
    private String after;
    private APIRequest request;
    private String rawValue;

    public APINodeList(APIRequest request, String rawValue) {
      this.request = request;
      this.rawValue = rawValue;
    }

    public APINodeList nextPage() throws APIException {
      return nextPage(0);
    }

    public APINodeList nextPage(int limit) throws APIException {
      if (after == null) return null;
      Map extraParams = new HashMap();
      if (limit > 0) extraParams.put("limit", limit);
      extraParams.put("after", after);
      return (APINodeList) request.execute(extraParams);
    }

    public void setPaging(String before, String after) {
      this.before = before;
      this.after = after;
    }

    @Override
    public String getRawResponse() {
      return rawValue;
    }

    @Override
    public JsonObject getRawResponseAsJsonObject() {
      JsonParser parser = new JsonParser();
      return parser.parse(rawValue).getAsJsonObject();
    }

    @Override
    public T head() {
      return this.size() > 0 ? this.get(0) : null;
    }

    @Override
    public APIException getException() {
      return null;
    }
}