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// Copyright 2012 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.targeting;

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

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

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

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

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

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

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

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

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 illustrates how to retrieve all the campaign criteria. To add

 * campaign criteria, run AddCampaignTargetingCriteria.java.

 *

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

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

 *

 * Tags: CampaignCriterionService.get

 *

 * @author Kevin Winter

 */

public class GetCampaignTargetingCriteria {

  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();

    AdWordsServices adWordsServices = new AdWordsServices();

    runExample(adWordsServices, session);

  }

  public static void runExample(

      AdWordsServices adWordsServices, AdWordsSession session) throws Exception {

    // Get the CampaignService.

    CampaignCriterionServiceInterface campaignCriterionService =

        adWordsServices.get(session, CampaignCriterionServiceInterface.class);

    int offset = 0;

    // Create selector.

    Selector selector = new Selector();

    selector.setFields(new String[] {"CampaignId", "Id", "CriteriaType", "PlatformName",

        "LanguageName", "LocationName", "KeywordText"});

    selector.setPredicates(new Predicate[] {new Predicate("CriteriaType", PredicateOperator.IN,

        new String[] {"KEYWORD", "LANGUAGE", "LOCATION", "PLATFORM"})});

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

    CampaignCriterionPage page = null;

    do {

      page = campaignCriterionService.get(selector);

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

        // Display campaigns.

        for (CampaignCriterion campaignCriterion : page.getEntries()) {

          System.out.printf("Campaign criterion with campaign id '%s', criterion id '%s', "

              + "and type '%s' was found.\n", campaignCriterion.getCampaignId(), campaignCriterion

              .getCriterion().getId(), campaignCriterion.getCriterion().getCriterionType());

        }

        Thread.sleep(1000);

      } else {

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

      }

      offset += PAGE_SIZE;

      selector.getPaging().setStartIndex(offset);

    } while (offset < page.getTotalNumEntries());

  }

}