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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.BaseCriterionType;

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

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

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

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

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

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

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 shows how to retrieve all keywords for a video campaign. To get

 * a list with all campaigns, run GetVideoCampaigns.java.

 *

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

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

 *

 * Tags: VideoTargetingGroupCriterionService.get

 *

 * Category: adx-exclude

 *

 * @author Kevin Winter

 */

public class GetKeywordCriteria {

  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 VideoTargetingGroupCriterionService.

    VideoTargetingGroupCriterionServiceInterface videoTargetingGroupCriterionService =

        adWordsServices.get(session, VideoTargetingGroupCriterionServiceInterface.class);

    int offset = 0;

    boolean morePages = true;

    // Create selector.

    TargetingGroupCriterionSelector selector = new TargetingGroupCriterionSelector();

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

    selector.setCriterionTypes(new BaseCriterionType[] {BaseCriterionType.SEARCH_KEYWORD});

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

    while (morePages) {

      // Get all keywords.

      TargetingGroupCriterionPage page = videoTargetingGroupCriterionService.get(selector);

      // Display keywords.

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

        for (TargetingGroupCriterion targetingGroupCriterion : page.getEntries()) {

          String negative =

              (targetingGroupCriterion instanceof NegativeTargetingGroupCriterion) ? " (negative)"

                  : "";

          BaseKeyword keyword = (BaseKeyword) targetingGroupCriterion.getCriterion();

          System.out.printf("Criterion%s ID %d, targeting group ID %d and text '%s'\n", negative,

              keyword.getId(), targetingGroupCriterion.getTargetingGroupId(), keyword.getText());

        }

      } else {

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

      }

      offset += PAGE_SIZE;

      selector.getPaging().setStartIndex(offset);

      morePages = offset < page.getTotalNumEntries();

    }

  }

}