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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.v201306.campaignmanagement;

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

import com.google.api.ads.adwords.axis.v201306.cm.AdGroupAd;

import com.google.api.ads.adwords.axis.v201306.cm.AdGroupAdOperation;

import com.google.api.ads.adwords.axis.v201306.cm.AdGroupAdReturnValue;

import com.google.api.ads.adwords.axis.v201306.cm.AdGroupAdServiceInterface;

import com.google.api.ads.adwords.axis.v201306.cm.ApiException;

import com.google.api.ads.adwords.axis.v201306.cm.Operator;

import com.google.api.ads.adwords.axis.v201306.cm.TextAd;

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 use the validate only header through the

 * {@link AdWordsSession#setValidateOnly(Boolean)} method. No objects will be

 * created, but exceptions will still be thrown.

 *

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

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

 *

 * Tags: AdGroupAdService.mutate

 *

 * Category: adx-exclude

 *

 * @author Kevin Winter

 */

public class ValidateTextAd {

  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 adGroupId = Long.parseLong("INSERT_AD_GROUP_ID_HERE");

    AdWordsServices adWordsServices = new AdWordsServices();

    runExample(adWordsServices, session, adGroupId);

  }

  public static void runExample(

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

    // Enable validation.

    session.setValidateOnly(true);

    // Get the validation AdGroupAdService.

    AdGroupAdServiceInterface adGroupAdValidationService =

        adWordsServices.get(session, AdGroupAdServiceInterface.class);

    // Create text ad.

    TextAd textAd1 = new TextAd();

    textAd1.setHeadline("Luxury Cruise to Mars");

    textAd1.setDescription1("Visit the Red Planet in style.");

    textAd1.setDescription2("Low-gravity fun for everyone!");

    textAd1.setDisplayUrl("www.example.com");

    textAd1.setUrl("http://www.example.com");

    // Create ad group ad.

    AdGroupAd textAdGroupAd1 = new AdGroupAd();

    textAdGroupAd1.setAdGroupId(adGroupId);

    textAdGroupAd1.setAd(textAd1);

    // Create operations.

    AdGroupAdOperation textAdGroupAdOperation1 = new AdGroupAdOperation();

    textAdGroupAdOperation1.setOperand(textAdGroupAd1);

    textAdGroupAdOperation1.setOperator(Operator.ADD);

    AdGroupAdOperation[] operations = new AdGroupAdOperation[] {textAdGroupAdOperation1};

    // Add ads.

    AdGroupAdReturnValue result = adGroupAdValidationService.mutate(operations);

    // No error means the request is valid.

    // Now let's check an invalid ad using a very long line to trigger an error.

    textAd1.setDescription2("Low-gravity fun for all astronauts in orbit.");

    try {

      adGroupAdValidationService.mutate(operations);

    } catch (ApiException e) {

      System.err.println("Validation failed for reason \"" + e.getMessage1() + "\".");

    }

  }

}