fix: update gapic-generator-java with mock service generation fixes (googleapis#266)

* chore(deps): upgrade gapic-generator-java to 2.8.0 and update gax-java to 2.18.1

PiperOrigin-RevId: 450543911

Source-Link: googleapis/googleapis@5528344

Source-Link: https://github.com/googleapis/googleapis-gen/commit/9f6775cab1958982b88967a43e5e806af0f135db
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* chore: Integrate new gapic-generator-java and rules_gapic

PiperOrigin-RevId: 454027580

Source-Link: googleapis/googleapis@1b22277

Source-Link: https://github.com/googleapis/googleapis-gen/commit/e04cea20d0d12eb5c3bdb360a9e72b654edcb638
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* feat: Enable REST transport for most of Java and Go clients

PiperOrigin-RevId: 456641589

Source-Link: googleapis/googleapis@8a251f5

Source-Link: https://github.com/googleapis/googleapis-gen/commit/4ca52a529cf01308d9714950edffbea3560cfbdb
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* Update pom.xml

* fix: update gapic-generator-java with mock service generation fixes

PiperOrigin-RevId: 457524730

Source-Link: googleapis/googleapis@917e7f2

Source-Link: https://github.com/googleapis/googleapis-gen/commit/2497f9a069d3f6b2d6810d5a4e239cda1e7e5a39
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Neenu Shaji <[email protected]>

Author: gcf-owl-bot[bot]

java-artifact-registry/google-cloud-artifact-registry/pom.xml

@@ -62,6 +62,10 @@
       <groupId>com.google.api</groupId>
       <artifactId>gax-grpc</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.google.api</groupId>
+      <artifactId>gax-httpjson</artifactId>
+    </dependency>
     <dependency>
       <groupId>org.threeten</groupId>
       <artifactId>threetenbp</artifactId>
@@ -90,12 +94,24 @@
       <scope>test</scope>
     </dependency>
     <!-- Need testing utility classes for generated gRPC clients tests -->
+   <dependency>
+      <groupId>com.google.api</groupId>
+      <artifactId>gax</artifactId>
+      <classifier>testlib</classifier>
+      <scope>test</scope>
+    </dependency>
     <dependency>
       <groupId>com.google.api</groupId>
       <artifactId>gax-grpc</artifactId>
       <classifier>testlib</classifier>
       <scope>test</scope>
     </dependency>
+    <dependency>
+    <groupId>com.google.api</groupId>
+      <artifactId>gax-httpjson</artifactId>
+      <classifier>testlib</classifier>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <profiles>

java-artifact-registry/google-cloud-artifact-registry/src/main/java/com/google/devtools/artifactregistry/v1/ArtifactRegistryClient.java

@@ -20,6 +20,7 @@
 import com.google.api.core.ApiFutures;
 import com.google.api.core.BetaApi;
 import com.google.api.gax.core.BackgroundResource;
+import com.google.api.gax.httpjson.longrunning.OperationsClient;
 import com.google.api.gax.longrunning.OperationFuture;
 import com.google.api.gax.paging.AbstractFixedSizeCollection;
 import com.google.api.gax.paging.AbstractPage;
@@ -36,7 +37,6 @@
 import com.google.iam.v1.TestIamPermissionsRequest;
 import com.google.iam.v1.TestIamPermissionsResponse;
 import com.google.longrunning.Operation;
-import com.google.longrunning.OperationsClient;
 import com.google.protobuf.Empty;
 import com.google.protobuf.FieldMask;
 import java.io.IOException;
@@ -125,13 +125,29 @@
  *     ArtifactRegistryClient.create(artifactRegistrySettings);
  * }</pre>
  *
+ * <p>To use REST (HTTP1.1/JSON) transport (instead of gRPC) for sending and receiving requests over
+ * the wire:
+ *
+ * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
+ * ArtifactRegistrySettings artifactRegistrySettings =
+ *     ArtifactRegistrySettings.newBuilder()
+ *         .setTransportChannelProvider(
+ *             ArtifactRegistrySettings.defaultHttpJsonTransportProviderBuilder().build())
+ *         .build();
+ * ArtifactRegistryClient artifactRegistryClient =
+ *     ArtifactRegistryClient.create(artifactRegistrySettings);
+ * }</pre>
+ *
  * <p>Please refer to the GitHub repository's samples for more quickstart code snippets.
  */
 @Generated("by gapic-generator-java")
 public class ArtifactRegistryClient implements BackgroundResource {
   private final ArtifactRegistrySettings settings;
   private final ArtifactRegistryStub stub;
-  private final OperationsClient operationsClient;
+  private final OperationsClient httpJsonOperationsClient;
+  private final com.google.longrunning.OperationsClient operationsClient;
 
   /** Constructs an instance of ArtifactRegistryClient with default settings. */
   public static final ArtifactRegistryClient create() throws IOException {
@@ -151,7 +167,6 @@ public static final ArtifactRegistryClient create(ArtifactRegistrySettings setti
    * Constructs an instance of ArtifactRegistryClient, using the given stub for making calls. This
    * is for advanced usage - prefer using create(ArtifactRegistrySettings).
    */
-  @BetaApi("A restructuring of stub classes is planned, so this may break in the future")
   public static final ArtifactRegistryClient create(ArtifactRegistryStub stub) {
     return new ArtifactRegistryClient(stub);
   }
@@ -164,21 +179,23 @@ public static final ArtifactRegistryClient create(ArtifactRegistryStub stub) {
   protected ArtifactRegistryClient(ArtifactRegistrySettings settings) throws IOException {
     this.settings = settings;
     this.stub = ((ArtifactRegistryStubSettings) settings.getStubSettings()).createStub();
-    this.operationsClient = OperationsClient.create(this.stub.getOperationsStub());
+    this.operationsClient =
+        com.google.longrunning.OperationsClient.create(this.stub.getOperationsStub());
+    this.httpJsonOperationsClient = OperationsClient.create(this.stub.getHttpJsonOperationsStub());
   }
 
-  @BetaApi("A restructuring of stub classes is planned, so this may break in the future")
   protected ArtifactRegistryClient(ArtifactRegistryStub stub) {
     this.settings = null;
     this.stub = stub;
-    this.operationsClient = OperationsClient.create(this.stub.getOperationsStub());
+    this.operationsClient =
+        com.google.longrunning.OperationsClient.create(this.stub.getOperationsStub());
+    this.httpJsonOperationsClient = OperationsClient.create(this.stub.getHttpJsonOperationsStub());
   }
 
   public final ArtifactRegistrySettings getSettings() {
     return settings;
   }
 
-  @BetaApi("A restructuring of stub classes is planned, so this may break in the future")
   public ArtifactRegistryStub getStub() {
     return stub;
   }
@@ -187,10 +204,19 @@ public ArtifactRegistryStub getStub() {
    * Returns the OperationsClient that can be used to query the status of a long-running operation
    * returned by another API method call.
    */
-  public final OperationsClient getOperationsClient() {
+  public final com.google.longrunning.OperationsClient getOperationsClient() {
     return operationsClient;
   }
 
+  /**
+   * Returns the OperationsClient that can be used to query the status of a long-running operation
+   * returned by another API method call.
+   */
+  @BetaApi
+  public final OperationsClient getHttpJsonOperationsClient() {
+    return httpJsonOperationsClient;
+  }
+
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
    * Lists docker images.
@@ -295,7 +321,7 @@ public final ListDockerImagesPagedResponse listDockerImages(ListDockerImagesRequ
    *   while (true) {
    *     ListDockerImagesResponse response =
    *         artifactRegistryClient.listDockerImagesCallable().call(request);
-   *     for (DockerImage element : response.getResponsesList()) {
+   *     for (DockerImage element : response.getDockerImagesList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();
@@ -707,7 +733,7 @@ public final ListRepositoriesPagedResponse listRepositories(ListRepositoriesRequ
    *   while (true) {
    *     ListRepositoriesResponse response =
    *         artifactRegistryClient.listRepositoriesCallable().call(request);
-   *     for (Repository element : response.getResponsesList()) {
+   *     for (Repository element : response.getRepositoriesList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();
@@ -1297,7 +1323,7 @@ public final ListPackagesPagedResponse listPackages(ListPackagesRequest request)
    *           .build();
    *   while (true) {
    *     ListPackagesResponse response = artifactRegistryClient.listPackagesCallable().call(request);
-   *     for (Package element : response.getResponsesList()) {
+   *     for (Package element : response.getPackagesList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();
@@ -1586,7 +1612,7 @@ public final ListVersionsPagedResponse listVersions(ListVersionsRequest request)
    *           .build();
    *   while (true) {
    *     ListVersionsResponse response = artifactRegistryClient.listVersionsCallable().call(request);
-   *     for (Version element : response.getResponsesList()) {
+   *     for (Version element : response.getVersionsList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();
@@ -1882,7 +1908,7 @@ public final UnaryCallable<ListFilesRequest, ListFilesPagedResponse> listFilesPa
    *           .build();
    *   while (true) {
    *     ListFilesResponse response = artifactRegistryClient.listFilesCallable().call(request);
-   *     for (File element : response.getResponsesList()) {
+   *     for (File element : response.getFilesList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();
@@ -2068,7 +2094,7 @@ public final UnaryCallable<ListTagsRequest, ListTagsPagedResponse> listTagsPaged
    *           .build();
    *   while (true) {
    *     ListTagsResponse response = artifactRegistryClient.listTagsCallable().call(request);
-   *     for (Tag element : response.getResponsesList()) {
+   *     for (Tag element : response.getTagsList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();
@@ -2388,9 +2414,7 @@ public final UnaryCallable<DeleteTagRequest, Empty> deleteTagCallable() {
    * try (ArtifactRegistryClient artifactRegistryClient = ArtifactRegistryClient.create()) {
    *   SetIamPolicyRequest request =
    *       SetIamPolicyRequest.newBuilder()
-   *           .setResource(
-   *               DockerImageName.of("[PROJECT]", "[LOCATION]", "[REPOSITORY]", "[DOCKER_IMAGE]")
-   *                   .toString())
+   *           .setResource(RepositoryName.of("[PROJECT]", "[LOCATION]", "[REPOSITORY]").toString())
    *           .setPolicy(Policy.newBuilder().build())
    *           .setUpdateMask(FieldMask.newBuilder().build())
    *           .build();
@@ -2417,9 +2441,7 @@ public final Policy setIamPolicy(SetIamPolicyRequest request) {
    * try (ArtifactRegistryClient artifactRegistryClient = ArtifactRegistryClient.create()) {
    *   SetIamPolicyRequest request =
    *       SetIamPolicyRequest.newBuilder()
-   *           .setResource(
-   *               DockerImageName.of("[PROJECT]", "[LOCATION]", "[REPOSITORY]", "[DOCKER_IMAGE]")
-   *                   .toString())
+   *           .setResource(RepositoryName.of("[PROJECT]", "[LOCATION]", "[REPOSITORY]").toString())
    *           .setPolicy(Policy.newBuilder().build())
    *           .setUpdateMask(FieldMask.newBuilder().build())
    *           .build();
@@ -2445,9 +2467,7 @@ public final UnaryCallable<SetIamPolicyRequest, Policy> setIamPolicyCallable() {
    * try (ArtifactRegistryClient artifactRegistryClient = ArtifactRegistryClient.create()) {
    *   GetIamPolicyRequest request =
    *       GetIamPolicyRequest.newBuilder()
-   *           .setResource(
-   *               DockerImageName.of("[PROJECT]", "[LOCATION]", "[REPOSITORY]", "[DOCKER_IMAGE]")
-   *                   .toString())
+   *           .setResource(RepositoryName.of("[PROJECT]", "[LOCATION]", "[REPOSITORY]").toString())
    *           .setOptions(GetPolicyOptions.newBuilder().build())
    *           .build();
    *   Policy response = artifactRegistryClient.getIamPolicy(request);
@@ -2473,9 +2493,7 @@ public final Policy getIamPolicy(GetIamPolicyRequest request) {
    * try (ArtifactRegistryClient artifactRegistryClient = ArtifactRegistryClient.create()) {
    *   GetIamPolicyRequest request =
    *       GetIamPolicyRequest.newBuilder()
-   *           .setResource(
-   *               DockerImageName.of("[PROJECT]", "[LOCATION]", "[REPOSITORY]", "[DOCKER_IMAGE]")
-   *                   .toString())
+   *           .setResource(RepositoryName.of("[PROJECT]", "[LOCATION]", "[REPOSITORY]").toString())
    *           .setOptions(GetPolicyOptions.newBuilder().build())
    *           .build();
    *   ApiFuture<Policy> future = artifactRegistryClient.getIamPolicyCallable().futureCall(request);
@@ -2500,9 +2518,7 @@ public final UnaryCallable<GetIamPolicyRequest, Policy> getIamPolicyCallable() {
    * try (ArtifactRegistryClient artifactRegistryClient = ArtifactRegistryClient.create()) {
    *   TestIamPermissionsRequest request =
    *       TestIamPermissionsRequest.newBuilder()
-   *           .setResource(
-   *               DockerImageName.of("[PROJECT]", "[LOCATION]", "[REPOSITORY]", "[DOCKER_IMAGE]")
-   *                   .toString())
+   *           .setResource(RepositoryName.of("[PROJECT]", "[LOCATION]", "[REPOSITORY]").toString())
    *           .addAllPermissions(new ArrayList<String>())
    *           .build();
    *   TestIamPermissionsResponse response = artifactRegistryClient.testIamPermissions(request);
@@ -2528,9 +2544,7 @@ public final TestIamPermissionsResponse testIamPermissions(TestIamPermissionsReq
    * try (ArtifactRegistryClient artifactRegistryClient = ArtifactRegistryClient.create()) {
    *   TestIamPermissionsRequest request =
    *       TestIamPermissionsRequest.newBuilder()
-   *           .setResource(
-   *               DockerImageName.of("[PROJECT]", "[LOCATION]", "[REPOSITORY]", "[DOCKER_IMAGE]")
-   *                   .toString())
+   *           .setResource(RepositoryName.of("[PROJECT]", "[LOCATION]", "[REPOSITORY]").toString())
    *           .addAllPermissions(new ArrayList<String>())
    *           .build();
    *   ApiFuture<TestIamPermissionsResponse> future =

java-artifact-registry/google-cloud-artifact-registry/src/main/java/com/google/devtools/artifactregistry/v1/ArtifactRegistrySettings.java

@@ -28,6 +28,7 @@
 import com.google.api.gax.core.GoogleCredentialsProvider;
 import com.google.api.gax.core.InstantiatingExecutorProvider;
 import com.google.api.gax.grpc.InstantiatingGrpcChannelProvider;
+import com.google.api.gax.httpjson.InstantiatingHttpJsonChannelProvider;
 import com.google.api.gax.rpc.ApiClientHeaderProvider;
 import com.google.api.gax.rpc.ClientContext;
 import com.google.api.gax.rpc.ClientSettings;
@@ -294,11 +295,18 @@ public static GoogleCredentialsProvider.Builder defaultCredentialsProviderBuilde
     return ArtifactRegistryStubSettings.defaultCredentialsProviderBuilder();
   }
 
-  /** Returns a builder for the default ChannelProvider for this service. */
+  /** Returns a builder for the default gRPC ChannelProvider for this service. */
   public static InstantiatingGrpcChannelProvider.Builder defaultGrpcTransportProviderBuilder() {
     return ArtifactRegistryStubSettings.defaultGrpcTransportProviderBuilder();
   }
 
+  /** Returns a builder for the default REST ChannelProvider for this service. */
+  @BetaApi
+  public static InstantiatingHttpJsonChannelProvider.Builder
+      defaultHttpJsonTransportProviderBuilder() {
+    return ArtifactRegistryStubSettings.defaultHttpJsonTransportProviderBuilder();
+  }
+
   public static TransportChannelProvider defaultTransportChannelProvider() {
     return ArtifactRegistryStubSettings.defaultTransportChannelProvider();
   }
@@ -308,11 +316,17 @@ public static ApiClientHeaderProvider.Builder defaultApiClientHeaderProviderBuil
     return ArtifactRegistryStubSettings.defaultApiClientHeaderProviderBuilder();
   }
 
-  /** Returns a new builder for this class. */
+  /** Returns a new gRPC builder for this class. */
   public static Builder newBuilder() {
     return Builder.createDefault();
   }
 
+  /** Returns a new REST builder for this class. */
+  @BetaApi
+  public static Builder newHttpJsonBuilder() {
+    return Builder.createHttpJsonDefault();
+  }
+
   /** Returns a new builder for this class. */
   public static Builder newBuilder(ClientContext clientContext) {
     return new Builder(clientContext);
@@ -350,6 +364,11 @@ private static Builder createDefault() {
       return new Builder(ArtifactRegistryStubSettings.newBuilder());
     }
 
+    @BetaApi
+    private static Builder createHttpJsonDefault() {
+      return new Builder(ArtifactRegistryStubSettings.newHttpJsonBuilder());
+    }
+
     public ArtifactRegistryStubSettings.Builder getStubSettingsBuilder() {
       return ((ArtifactRegistryStubSettings.Builder) getStubSettings());
     }

java-artifact-registry/google-cloud-artifact-registry/src/main/java/com/google/devtools/artifactregistry/v1/stub/ArtifactRegistryStub.java

@@ -88,7 +88,11 @@
 public abstract class ArtifactRegistryStub implements BackgroundResource {
 
   public OperationsStub getOperationsStub() {
-    throw new UnsupportedOperationException("Not implemented: getOperationsStub()");
+    return null;
+  }
+
+  public com.google.api.gax.httpjson.longrunning.stub.OperationsStub getHttpJsonOperationsStub() {
+    return null;
   }
 
   public UnaryCallable<ListDockerImagesRequest, ListDockerImagesPagedResponse>