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

google-cloud-resourcemanager/pom.xml

@@ -142,6 +142,10 @@
       <groupId>com.google.api</groupId>
       <artifactId>gax-grpc</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.google.api</groupId>
+      <artifactId>gax-httpjson</artifactId>
+    </dependency>
     <dependency>
       <groupId>com.google.api</groupId>
       <artifactId>gax</artifactId>
@@ -188,12 +192,24 @@
       <artifactId>grpc-google-cloud-resourcemanager-v3</artifactId>
       <scope>test</scope>
     </dependency>
+    <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>
 
   <build>

google-cloud-resourcemanager/src/main/java/com/google/cloud/resourcemanager/v3/FoldersClient.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;
@@ -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.FieldMask;
 import java.io.IOException;
 import java.util.List;
@@ -107,13 +107,28 @@
  * FoldersClient foldersClient = FoldersClient.create(foldersSettings);
  * }</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.
+ * FoldersSettings foldersSettings =
+ *     FoldersSettings.newBuilder()
+ *         .setTransportChannelProvider(
+ *             FoldersSettings.defaultHttpJsonTransportProviderBuilder().build())
+ *         .build();
+ * FoldersClient foldersClient = FoldersClient.create(foldersSettings);
+ * }</pre>
+ *
  * <p>Please refer to the GitHub repository's samples for more quickstart code snippets.
  */
 @Generated("by gapic-generator-java")
 public class FoldersClient implements BackgroundResource {
   private final FoldersSettings settings;
   private final FoldersStub stub;
-  private final OperationsClient operationsClient;
+  private final OperationsClient httpJsonOperationsClient;
+  private final com.google.longrunning.OperationsClient operationsClient;
 
   /** Constructs an instance of FoldersClient with default settings. */
   public static final FoldersClient create() throws IOException {
@@ -143,13 +158,17 @@ public static final FoldersClient create(FoldersStub stub) {
   protected FoldersClient(FoldersSettings settings) throws IOException {
     this.settings = settings;
     this.stub = ((FoldersStubSettings) 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 FoldersClient(FoldersStub 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 FoldersSettings getSettings() {
@@ -164,10 +183,18 @@ public FoldersStub 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.
   /**
    * Retrieves a folder identified by the supplied resource name. Valid folder resource names have

google-cloud-resourcemanager/src/main/java/com/google/cloud/resourcemanager/v3/FoldersSettings.java

@@ -24,6 +24,7 @@
 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;
@@ -191,11 +192,18 @@ public static GoogleCredentialsProvider.Builder defaultCredentialsProviderBuilde
     return FoldersStubSettings.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 FoldersStubSettings.defaultGrpcTransportProviderBuilder();
   }
 
+  /** Returns a builder for the default REST ChannelProvider for this service. */
+  @BetaApi
+  public static InstantiatingHttpJsonChannelProvider.Builder
+      defaultHttpJsonTransportProviderBuilder() {
+    return FoldersStubSettings.defaultHttpJsonTransportProviderBuilder();
+  }
+
   public static TransportChannelProvider defaultTransportChannelProvider() {
     return FoldersStubSettings.defaultTransportChannelProvider();
   }
@@ -205,11 +213,17 @@ public static ApiClientHeaderProvider.Builder defaultApiClientHeaderProviderBuil
     return FoldersStubSettings.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);
@@ -247,6 +261,11 @@ private static Builder createDefault() {
       return new Builder(FoldersStubSettings.newBuilder());
     }
 
+    @BetaApi
+    private static Builder createHttpJsonDefault() {
+      return new Builder(FoldersStubSettings.newHttpJsonBuilder());
+    }
+
     public FoldersStubSettings.Builder getStubSettingsBuilder() {
       return ((FoldersStubSettings.Builder) getStubSettings());
     }

google-cloud-resourcemanager/src/main/java/com/google/cloud/resourcemanager/v3/OrganizationsClient.java

@@ -102,6 +102,20 @@
  * OrganizationsClient organizationsClient = OrganizationsClient.create(organizationsSettings);
  * }</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.
+ * OrganizationsSettings organizationsSettings =
+ *     OrganizationsSettings.newBuilder()
+ *         .setTransportChannelProvider(
+ *             OrganizationsSettings.defaultHttpJsonTransportProviderBuilder().build())
+ *         .build();
+ * OrganizationsClient organizationsClient = OrganizationsClient.create(organizationsSettings);
+ * }</pre>
+ *
  * <p>Please refer to the GitHub repository's samples for more quickstart code snippets.
  */
 @Generated("by gapic-generator-java")

google-cloud-resourcemanager/src/main/java/com/google/cloud/resourcemanager/v3/OrganizationsSettings.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;
@@ -129,11 +130,18 @@ public static GoogleCredentialsProvider.Builder defaultCredentialsProviderBuilde
     return OrganizationsStubSettings.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 OrganizationsStubSettings.defaultGrpcTransportProviderBuilder();
   }
 
+  /** Returns a builder for the default REST ChannelProvider for this service. */
+  @BetaApi
+  public static InstantiatingHttpJsonChannelProvider.Builder
+      defaultHttpJsonTransportProviderBuilder() {
+    return OrganizationsStubSettings.defaultHttpJsonTransportProviderBuilder();
+  }
+
   public static TransportChannelProvider defaultTransportChannelProvider() {
     return OrganizationsStubSettings.defaultTransportChannelProvider();
   }
@@ -143,11 +151,17 @@ public static ApiClientHeaderProvider.Builder defaultApiClientHeaderProviderBuil
     return OrganizationsStubSettings.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);
@@ -185,6 +199,11 @@ private static Builder createDefault() {
       return new Builder(OrganizationsStubSettings.newBuilder());
     }
 
+    @BetaApi
+    private static Builder createHttpJsonDefault() {
+      return new Builder(OrganizationsStubSettings.newHttpJsonBuilder());
+    }
+
     public OrganizationsStubSettings.Builder getStubSettingsBuilder() {
       return ((OrganizationsStubSettings.Builder) getStubSettings());
     }

google-cloud-resourcemanager/src/main/java/com/google/cloud/resourcemanager/v3/ProjectsClient.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;
@@ -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.FieldMask;
 import java.io.IOException;
 import java.util.List;
@@ -107,13 +107,28 @@
  * ProjectsClient projectsClient = ProjectsClient.create(projectsSettings);
  * }</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.
+ * ProjectsSettings projectsSettings =
+ *     ProjectsSettings.newBuilder()
+ *         .setTransportChannelProvider(
+ *             ProjectsSettings.defaultHttpJsonTransportProviderBuilder().build())
+ *         .build();
+ * ProjectsClient projectsClient = ProjectsClient.create(projectsSettings);
+ * }</pre>
+ *
  * <p>Please refer to the GitHub repository's samples for more quickstart code snippets.
  */
 @Generated("by gapic-generator-java")
 public class ProjectsClient implements BackgroundResource {
   private final ProjectsSettings settings;
   private final ProjectsStub stub;
-  private final OperationsClient operationsClient;
+  private final OperationsClient httpJsonOperationsClient;
+  private final com.google.longrunning.OperationsClient operationsClient;
 
   /** Constructs an instance of ProjectsClient with default settings. */
   public static final ProjectsClient create() throws IOException {
@@ -143,13 +158,17 @@ public static final ProjectsClient create(ProjectsStub stub) {
   protected ProjectsClient(ProjectsSettings settings) throws IOException {
     this.settings = settings;
     this.stub = ((ProjectsStubSettings) 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 ProjectsClient(ProjectsStub 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 ProjectsSettings getSettings() {
@@ -164,10 +183,18 @@ public ProjectsStub 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.
   /**
    * Retrieves the project identified by the specified `name` (for example,