feat: Enable REST transport for most of Java and Go clients (#236)

- [ ] Regenerate this pull request now. PiperOrigin-RevId: 456641589 Source-Link: googleapis/googleapis@8a251f5 Source-Link: https://github.com/googleapis/googleapis-gen/commit/4ca52a529cf01308d9714950edffbea3560cfbdb Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNGNhNTJhNTI5Y2YwMTMwOGQ5NzE0OTUwZWRmZmJlYTM1NjBjZmJkYiJ9

Author: gcf-owl-bot[bot]

README.md

@@ -27,13 +27,13 @@ If you are using Maven, add this to your pom.xml file:
 If you are using Gradle without BOM, add this to your dependencies
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-domains:0.6.0'
+implementation 'com.google.cloud:google-cloud-domains:0.6.1'
 ```
 
 If you are using SBT, add this to your dependencies
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-domains" % "0.6.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-domains" % "0.6.1"
 ```
 
 ## Authentication

google-cloud-domains/pom.xml

@@ -66,6 +66,10 @@
  <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>
@@ -95,12 +99,24 @@
  <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>

google-cloud-domains/src/main/java/com/google/cloud/domains/v1/DomainsClient.java

@@ -19,6 +19,7 @@
 import com.google.api.core.ApiFuture;
 import com.google.api.core.ApiFutures;
 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;
@@ -30,7 +31,6 @@
 import com.google.cloud.domains.v1.stub.DomainsStubSettings;
 import com.google.common.util.concurrent.MoreExecutors;
 import com.google.longrunning.Operation;
-import com.google.longrunning.OperationsClient;
 import com.google.protobuf.Empty;
 import com.google.protobuf.FieldMask;
 import com.google.type.Money;
@@ -103,13 +103,28 @@
  * DomainsClient domainsClient = DomainsClient.create(domainsSettings);
  * }</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.
+ * DomainsSettings domainsSettings =
+ * DomainsSettings.newBuilder()
+ * .setTransportChannelProvider(
+ * DomainsSettings.defaultHttpJsonTransportProviderBuilder().build())
+ * .build();
+ * DomainsClient domainsClient = DomainsClient.create(domainsSettings);
+ * }</pre>
+ *
  * <p>Please refer to the GitHub repository's samples for more quickstart code snippets.
  */
 @Generated("by gapic-generator-java")
 public class DomainsClient implements BackgroundResource {
  private final DomainsSettings settings;
  private final DomainsStub stub;
- private final OperationsClient operationsClient;
+ private final OperationsClient httpJsonOperationsClient;
+ private final com.google.longrunning.OperationsClient operationsClient;
 
  /** Constructs an instance of DomainsClient with default settings. */
  public static final DomainsClient create() throws IOException {
@@ -139,13 +154,17 @@ public static final DomainsClient create(DomainsStub stub) {
  protected DomainsClient(DomainsSettings settings) throws IOException {
  this.settings = settings;
  this.stub = ((DomainsStubSettings) 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());
  }
 
  protected DomainsClient(DomainsStub 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 DomainsSettings getSettings() {
@@ -160,10 +179,18 @@ public DomainsStub 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.
+ */
+ public final OperationsClient getHttpJsonOperationsClient() {
+ return httpJsonOperationsClient;
+ }
+
  // AUTO-GENERATED DOCUMENTATION AND METHOD.
  /**
  * Searches for available domain names similar to the provided query.

google-cloud-domains/src/main/java/com/google/cloud/domains/v1/DomainsSettings.java

@@ -23,6 +23,7 @@
 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;
@@ -228,11 +229,18 @@ public static GoogleCredentialsProvider.Builder defaultCredentialsProviderBuilde
  return DomainsStubSettings.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 DomainsStubSettings.defaultGrpcTransportProviderBuilder();
  }
 
+ /** Returns a builder for the default REST ChannelProvider for this service. */
+ @BetaApi
+ public static InstantiatingHttpJsonChannelProvider.Builder
+ defaultHttpJsonTransportProviderBuilder() {
+ return DomainsStubSettings.defaultHttpJsonTransportProviderBuilder();
+ }
+
  public static TransportChannelProvider defaultTransportChannelProvider() {
  return DomainsStubSettings.defaultTransportChannelProvider();
  }
@@ -242,11 +250,17 @@ public static ApiClientHeaderProvider.Builder defaultApiClientHeaderProviderBuil
  return DomainsStubSettings.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);
@@ -284,6 +298,11 @@ private static Builder createDefault() {
  return new Builder(DomainsStubSettings.newBuilder());
  }
 
+ @BetaApi
+ private static Builder createHttpJsonDefault() {
+ return new Builder(DomainsStubSettings.newHttpJsonBuilder());
+ }
+
  public DomainsStubSettings.Builder getStubSettingsBuilder() {
  return ((DomainsStubSettings.Builder) getStubSettings());
  }

google-cloud-domains/src/main/java/com/google/cloud/domains/v1/stub/DomainsStub.java

@@ -58,7 +58,11 @@
 public abstract class DomainsStub 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<SearchDomainsRequest, SearchDomainsResponse> searchDomainsCallable() {

google-cloud-domains/src/main/java/com/google/cloud/domains/v1/stub/DomainsStubSettings.java

@@ -28,6 +28,9 @@
 import com.google.api.gax.grpc.GrpcTransportChannel;
 import com.google.api.gax.grpc.InstantiatingGrpcChannelProvider;
 import com.google.api.gax.grpc.ProtoOperationTransformers;
+import com.google.api.gax.httpjson.GaxHttpJsonProperties;
+import com.google.api.gax.httpjson.HttpJsonTransportChannel;
+import com.google.api.gax.httpjson.InstantiatingHttpJsonChannelProvider;
 import com.google.api.gax.longrunning.OperationSnapshot;
 import com.google.api.gax.longrunning.OperationTimedPollAlgorithm;
 import com.google.api.gax.retrying.RetrySettings;
@@ -360,6 +363,11 @@ public DomainsStub createStub() throws IOException {
  .equals(GrpcTransportChannel.getGrpcTransportName())) {
  return GrpcDomainsStub.create(this);
  }
+ if (getTransportChannelProvider()
+ .getTransportName()
+ .equals(HttpJsonTransportChannel.getHttpJsonTransportName())) {
+ return HttpJsonDomainsStub.create(this);
+ }
  throw new UnsupportedOperationException(
  String.format(
  "Transport not supported: %s", getTransportChannelProvider().getTransportName()));
@@ -392,29 +400,54 @@ public static GoogleCredentialsProvider.Builder defaultCredentialsProviderBuilde
  .setUseJwtAccessWithScope(true);
  }
 
- /** 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 InstantiatingGrpcChannelProvider.newBuilder()
  .setMaxInboundMessageSize(Integer.MAX_VALUE);
  }
 
+ /** Returns a builder for the default REST ChannelProvider for this service. */
+ @BetaApi
+ public static InstantiatingHttpJsonChannelProvider.Builder
+ defaultHttpJsonTransportProviderBuilder() {
+ return InstantiatingHttpJsonChannelProvider.newBuilder();
+ }
+
  public static TransportChannelProvider defaultTransportChannelProvider() {
  return defaultGrpcTransportProviderBuilder().build();
  }
 
  @BetaApi("The surface for customizing headers is not stable yet and may change in the future.")
- public static ApiClientHeaderProvider.Builder defaultApiClientHeaderProviderBuilder() {
+ public static ApiClientHeaderProvider.Builder defaultGrpcApiClientHeaderProviderBuilder() {
  return ApiClientHeaderProvider.newBuilder()
  .setGeneratedLibToken("gapic", GaxProperties.getLibraryVersion(DomainsStubSettings.class))
  .setTransportToken(
  GaxGrpcProperties.getGrpcTokenName(), GaxGrpcProperties.getGrpcVersion());
  }
 
- /** Returns a new builder for this class. */
+ @BetaApi("The surface for customizing headers is not stable yet and may change in the future.")
+ public static ApiClientHeaderProvider.Builder defaultHttpJsonApiClientHeaderProviderBuilder() {
+ return ApiClientHeaderProvider.newBuilder()
+ .setGeneratedLibToken("gapic", GaxProperties.getLibraryVersion(DomainsStubSettings.class))
+ .setTransportToken(
+ GaxHttpJsonProperties.getHttpJsonTokenName(),
+ GaxHttpJsonProperties.getHttpJsonVersion());
+ }
+
+ public static ApiClientHeaderProvider.Builder defaultApiClientHeaderProviderBuilder() {
+ return DomainsStubSettings.defaultGrpcApiClientHeaderProviderBuilder();
+ }
+
+ /** Returns a new gRPC builder for this class. */
  public static Builder newBuilder() {
  return Builder.createDefault();
  }
 
+ /** Returns a new REST builder for this class. */
+ public static Builder newHttpJsonBuilder() {
+ return Builder.createHttpJsonDefault();
+ }
+
  /** Returns a new builder for this class. */
  public static Builder newBuilder(ClientContext clientContext) {
  return new Builder(clientContext);
@@ -658,6 +691,19 @@ private static Builder createDefault() {
  return initDefaults(builder);
  }
 
+ private static Builder createHttpJsonDefault() {
+ Builder builder = new Builder(((ClientContext) null));
+
+ builder.setTransportChannelProvider(defaultHttpJsonTransportProviderBuilder().build());
+ builder.setCredentialsProvider(defaultCredentialsProviderBuilder().build());
+ builder.setInternalHeaderProvider(defaultHttpJsonApiClientHeaderProviderBuilder().build());
+ builder.setEndpoint(getDefaultEndpoint());
+ builder.setMtlsEndpoint(getDefaultMtlsEndpoint());
+ builder.setSwitchToMtlsEndpointAllowed(true);
+
+ return initDefaults(builder);
+ }
+
  private static Builder initDefaults(Builder builder) {
  builder
  .searchDomainsSettings()