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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.v201309.basicoperations;

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

import com.google.api.ads.adwords.axis.v201309.cm.AdGroupCriterion;

import com.google.api.ads.adwords.axis.v201309.cm.AdGroupCriterionOperation;

import com.google.api.ads.adwords.axis.v201309.cm.AdGroupCriterionReturnValue;

import com.google.api.ads.adwords.axis.v201309.cm.AdGroupCriterionServiceInterface;

import com.google.api.ads.adwords.axis.v201309.cm.BiddableAdGroupCriterion;

import com.google.api.ads.adwords.axis.v201309.cm.BiddingStrategyConfiguration;

import com.google.api.ads.adwords.axis.v201309.cm.Bids;

import com.google.api.ads.adwords.axis.v201309.cm.CpcBid;

import com.google.api.ads.adwords.axis.v201309.cm.Criterion;

import com.google.api.ads.adwords.axis.v201309.cm.Keyword;

import com.google.api.ads.adwords.axis.v201309.cm.KeywordMatchType;

import com.google.api.ads.adwords.axis.v201309.cm.Money;

import com.google.api.ads.adwords.axis.v201309.cm.Operator;

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 updates the bid of a keyword. To add a keyword, run

 * AddKeywords.java.

 *

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

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

 *

 * Tags: AdGroupCriterionService.mutate

 *

 * Category: adx-exclude

 *

 * @author Kevin Winter

 */

public class UpdateKeyword {

	public static Long runExample(Long adGroupId, Long keywordId, String text, Long bidAmount, String type)

	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();

		// Get the AdGroupCriterionService.

		AdGroupCriterionServiceInterface adGroupCriterionService =

			adWordsServices.get(session, AdGroupCriterionServiceInterface.class);

		Keyword keyword = new Keyword();

		if(text!=null && ("").equalsIgnoreCase(text)){

			keyword.setText(text);

		}

		if(type!=null && ("").equalsIgnoreCase(type)){

			keyword.setMatchType(KeywordMatchType.fromString(type));

		}

		keyword.setId(keywordId);

		// Create ad group criterion with updated bid.

		/*Criterion criterion = new Criterion();

		criterion.setId(keywordId);*/

		BiddableAdGroupCriterion biddableAdGroupCriterion = new BiddableAdGroupCriterion();

		biddableAdGroupCriterion.setAdGroupId(adGroupId);

		biddableAdGroupCriterion.setCriterion(keyword);

		if(bidAmount > -1l){

			// Create bids.

			BiddingStrategyConfiguration biddingStrategyConfiguration = new BiddingStrategyConfiguration();

			CpcBid bid = new CpcBid();

			bid.setBid(new Money(null, bidAmount));

			biddingStrategyConfiguration.setBids(new Bids[] {bid});

			biddableAdGroupCriterion.setBiddingStrategyConfiguration(biddingStrategyConfiguration);

		}

		// Create operations.

		AdGroupCriterionOperation operation = new AdGroupCriterionOperation();

		operation.setOperand(biddableAdGroupCriterion);

		operation.setOperator(Operator.SET);

		AdGroupCriterionOperation[] operations = new AdGroupCriterionOperation[] {operation};

		if((text!=null && ("").equalsIgnoreCase(text)) || (type!=null && ("").equalsIgnoreCase(type)) || (bidAmount > -1l)){

			// Update ad group criteria.

			AdGroupCriterionReturnValue result = adGroupCriterionService.mutate(operations);

			Long criterionId = 0l;

			// Display ad group criteria.

			for (AdGroupCriterion adGroupCriterionResult : result.getValue()) {

				if (adGroupCriterionResult instanceof BiddableAdGroupCriterion) {

					biddableAdGroupCriterion = (BiddableAdGroupCriterion) adGroupCriterionResult;

					System.out.println(

							"Ad group criterion with ad group id \""

							+ biddableAdGroupCriterion.getAdGroupId() + "\", criterion id \""

							+ biddableAdGroupCriterion.getCriterion().getId() + "\", type \""

							+ biddableAdGroupCriterion.getCriterion().getCriterionType()

							+ "\", and bid \""

							+ ((CpcBid) biddableAdGroupCriterion.getBiddingStrategyConfiguration()

									.getBids()[0]).getBid().getMicroAmount() + "\" was updated.");

					criterionId = biddableAdGroupCriterion.getCriterion().getId();

				}

			}

			return criterionId;

		}

		return 0l;

	}

}