Add DismissRecommendation example (#55)

Author: nwbirnie

google-ads-examples/src/main/java/com/google/ads/googleads/examples/recommendations/DismissRecommendation.java

@@ -0,0 +1,116 @@
+// Copyright 2019 Google LLC
+//
+// 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
+//
+//     https://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 com.google.ads.googleads.examples.recommendations;
+
+import com.beust.jcommander.Parameter;
+import com.google.ads.googleads.examples.utils.ArgumentNames;
+import com.google.ads.googleads.examples.utils.CodeSampleParams;
+import com.google.ads.googleads.lib.GoogleAdsClient;
+import com.google.ads.googleads.lib.GoogleAdsException;
+import com.google.ads.googleads.lib.utils.ResourceNames;
+import com.google.ads.googleads.v0.errors.GoogleAdsError;
+import com.google.ads.googleads.v0.services.DismissRecommendationRequest.DismissRecommendationOperation;
+import com.google.ads.googleads.v0.services.DismissRecommendationResponse;
+import com.google.ads.googleads.v0.services.DismissRecommendationResponse.DismissRecommendationResult;
+import com.google.ads.googleads.v0.services.RecommendationServiceClient;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.Arrays;
+
+/**
+ * This example dismisses a given recommendation. To retrieve recommendations for text ads,
+ * run GetTextAdRecommendations.java.
+ */
+public class DismissRecommendation {
+
+  private static class DismissRecommendationParams extends CodeSampleParams {
+
+    @Parameter(names = ArgumentNames.CUSTOMER_ID, required = true)
+    private Long customerId;
+
+    @Parameter(names = ArgumentNames.RECOMMENDATION_ID, required = true)
+    private String recommendationId;
+  }
+
+  public static void main(String[] args) {
+    DismissRecommendationParams params = new DismissRecommendationParams();
+    if (!params.parseArguments(args)) {
+
+      // Either pass the required parameters for this example on the command line, or insert them
+      // into the code here. See the parameter class definition above for descriptions.
+      params.customerId = Long.parseLong("INSERT_CUSTOMER_ID_HERE");
+
+      // Recommendation ID is the last alphanumeric portion of the value from
+      // Recommendation.getResourceName(), which has the format of
+      // `customers/<customer_id>/recommendations/<recommendation_id>`.
+      // Its example can be retrieved from GetTextAdRecommendations.java.
+      params.recommendationId = "INSERT_RECOMMENDATION_ID_HERE";
+    }
+
+    GoogleAdsClient googleAdsClient;
+    try {
+      googleAdsClient = GoogleAdsClient.newBuilder().fromPropertiesFile().build();
+    } catch (FileNotFoundException fnfe) {
+      System.err.printf(
+          "Failed to load GoogleAdsClient configuration from file. Exception: %s%n", fnfe);
+      return;
+    } catch (IOException ioe) {
+      System.err.printf("Failed to create GoogleAdsClient. Exception: %s%n", ioe);
+      return;
+    }
+
+    try {
+      new DismissRecommendation()
+          .runExample(googleAdsClient, params.customerId, params.recommendationId);
+    } catch (GoogleAdsException gae) {
+      // GoogleAdsException is the base class for most exceptions thrown by an API request.
+      // Instances of this exception have a message and a GoogleAdsFailure that contains a
+      // collection of GoogleAdsErrors that indicate the underlying causes of the
+      // GoogleAdsException.
+      System.err.printf(
+          "Request ID %s failed due to GoogleAdsException. Underlying errors:%n",
+          gae.getRequestId());
+      int i = 0;
+      for (GoogleAdsError googleAdsError : gae.getGoogleAdsFailure().getErrorsList()) {
+        System.err.printf("  Error %d: %s%n", i++, googleAdsError);
+      }
+    }
+  }
+
+  /**
+   * Runs the example.
+   */
+  private void runExample(GoogleAdsClient googleAdsClient, Long customerId,
+      String recommendationId) {
+    // Converts the customer and recommendation ID to a resource name.
+    String resourceName = ResourceNames.recommendation(customerId, recommendationId);
+
+    // Constructs a dismiss operation for the recommendation.
+    DismissRecommendationOperation operation = DismissRecommendationOperation.newBuilder()
+        .setResourceName(resourceName)
+        .build();
+
+    // Issues a mutate request to dismiss the recommendation.
+    try (RecommendationServiceClient client = googleAdsClient.getRecommendationServiceClient()) {
+      DismissRecommendationResponse response = client
+          .dismissRecommendation(customerId.toString(), Arrays.asList(operation));
+
+      DismissRecommendationResult result = response.getResultsList().get(0);
+
+      System.out
+          .printf("Dismissed recommendation with resource name: '%s'%n", result.getResourceName());
+    }
+  }
+}