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// Copyright 2013 Google Inc. All Rights Reserved.

//

// 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 adwords.axis.v201302.adwordsforvideo;

import com.google.api.ads.adwords.axis.factory.AdWordsServices;

import com.google.api.ads.adwords.axis.v201302.cm.Paging;

import com.google.api.ads.adwords.axis.v201302.video.NegativeVideoCampaignCriterion;

import com.google.api.ads.adwords.axis.v201302.video.VideoCampaignCriterion;

import com.google.api.ads.adwords.axis.v201302.video.VideoCampaignCriterionPage;

import com.google.api.ads.adwords.axis.v201302.video.VideoCampaignCriterionSelector;

import com.google.api.ads.adwords.axis.v201302.video.VideoCampaignCriterionServiceInterface;

import com.google.api.ads.adwords.lib.client.AdWordsSession;

import com.google.api.ads.common.lib.auth.OfflineCredentials;

import com.google.api.ads.common.lib.auth.OfflineCredentials.Api;

import com.google.api.client.auth.oauth2.Credential;

/**

 * This example demonstrates how to retrieve all campaign-level criteria in a

 * campaign.

 *

 * Credentials and properties in {@code fromFile()} are pulled from the

 * "ads.properties" file. See README for more info.

 *

 * Tags: VideoCampaignCriterionService.get

 *

 * Category: adx-exclude

 *

 * @author Kevin Winter

 */

public class GetVideoCampaignCriteria {

  private static final int PAGE_SIZE = 100;

  public static void main(String[] args) throws Exception {

    // Generate a refreshable OAuth2 credential similar to a ClientLogin token

    // and can be used in place of a service account.

    Credential oAuth2Credential = new OfflineCredentials.Builder()

        .forApi(Api.ADWORDS)

        .fromFile()

        .build()

        .generateCredential();

    // Construct an AdWordsSession.

    AdWordsSession session = new AdWordsSession.Builder()

        .fromFile()

        .withOAuth2Credential(oAuth2Credential)

        .build();

    Long campaignId = Long.parseLong("INSERT_CAMPAIGN_ID_HERE");

    AdWordsServices adWordsServices = new AdWordsServices();

    runExample(adWordsServices, session, campaignId);

  }

  public static void runExample(

      AdWordsServices adWordsServices, AdWordsSession session, Long campaignId) throws Exception {

    // Get the VideoCampaignCriterionService.

    VideoCampaignCriterionServiceInterface videoCampaignCriterionService =

        adWordsServices.get(session, VideoCampaignCriterionServiceInterface.class);

    int offset = 0;

    boolean morePages = true;

    // Create selector.

    VideoCampaignCriterionSelector selector = new VideoCampaignCriterionSelector();

    selector.setCampaignIds(new long[] {campaignId});

    selector.setPaging(new Paging(offset, PAGE_SIZE));

    while (morePages) {

      // Get all criteria for the campaign.

      VideoCampaignCriterionPage page = videoCampaignCriterionService.get(selector);

      // Display criteria.

      if (page.getEntries() != null) {

        for (VideoCampaignCriterion videoCampaignCriterion : page.getEntries()) {

          String negative =

              (videoCampaignCriterion instanceof NegativeVideoCampaignCriterion) ? " (negative)"

                  : "";

          System.out.printf("Video%s criterion ID %d of type '%s'\n", negative,

              videoCampaignCriterion.getCriterion().getId(),

              videoCampaignCriterion.getCriterion().getBaseCriterionType());

        }

      } else {

        System.out.println("No criteria were found.");

      }

      offset += PAGE_SIZE;

      selector.getPaging().setStartIndex(offset);

      morePages = offset < page.getTotalNumEntries();

    }

  }

}