#9179 - allow selecting jakarta/javax Generated annotation

compiler/build.gradle

@@ -146,9 +146,11 @@ sourceSets {
 dependencies {
     testImplementation project(':grpc-protobuf'),
             project(':grpc-stub'),
+            libraries.jakarta.annotation,
             libraries.javax.annotation
     testLiteImplementation project(':grpc-protobuf-lite'),
             project(':grpc-stub'),
+            libraries.jakarta.annotation,
             libraries.javax.annotation
 }
 

compiler/src/java_plugin/cpp/java_generator.cpp

@@ -1217,7 +1217,8 @@ void PrintImports(Printer* p) {
 void GenerateService(const ServiceDescriptor* service,
                      protobuf::io::ZeroCopyOutputStream* out,
                      ProtoFlavor flavor,
-                     bool disable_version) {
+                     bool disable_version,
+                     bool jakarta_over_javax) {
   // All non-generated classes must be referred by fully qualified names to
   // avoid collision with generated classes.
   std::map<std::string, std::string> vars;
@@ -1249,7 +1250,9 @@ void GenerateService(const ServiceDescriptor* service,
   vars["MethodDescriptor"] = "io.grpc.MethodDescriptor";
   vars["StreamObserver"] = "io.grpc.stub.StreamObserver";
   vars["Iterator"] = "java.util.Iterator";
-  vars["Generated"] = "javax.annotation.Generated";
+  vars["Generated"] = jakarta_over_javax
+      ? "jakarta.annotation.Generated"
+      : "javax.annotation.Generated";
   vars["GrpcGenerated"] = "io.grpc.stub.annotations.GrpcGenerated";
   vars["ListenableFuture"] =
       "com.google.common.util.concurrent.ListenableFuture";

compiler/src/java_plugin/cpp/java_generator.h

@@ -68,7 +68,8 @@ std::string ServiceClassName(const impl::protobuf::ServiceDescriptor* service);
 void GenerateService(const impl::protobuf::ServiceDescriptor* service,
                      impl::protobuf::io::ZeroCopyOutputStream* out,
                      ProtoFlavor flavor,
-                     bool disable_version);
+                     bool disable_version,
+                     bool jakarta_over_javax);
 
 }  // namespace java_grpc_generator
 

compiler/src/java_plugin/cpp/java_plugin.cpp

@@ -59,12 +59,15 @@ class JavaGrpcGenerator : public protobuf::compiler::CodeGenerator {
     java_grpc_generator::ProtoFlavor flavor =
         java_grpc_generator::ProtoFlavor::NORMAL;
 
+    bool jakarta_over_javax = false;
     bool disable_version = false;
     for (size_t i = 0; i < options.size(); i++) {
       if (options[i].first == "lite") {
         flavor = java_grpc_generator::ProtoFlavor::LITE;
       } else if (options[i].first == "noversion") {
         disable_version = true;
+      } else if (options[i].first == "jakarta") {
+        jakarta_over_javax = true;
       }
     }
 
@@ -77,7 +80,7 @@ class JavaGrpcGenerator : public protobuf::compiler::CodeGenerator {
       std::unique_ptr<protobuf::io::ZeroCopyOutputStream> output(
           context->Open(filename));
       java_grpc_generator::GenerateService(
-          service, output.get(), flavor, disable_version);
+          service, output.get(), flavor, disable_version, jakarta_over_javax);
     }
     return true;
   }

gradle/libs.versions.toml

@@ -43,6 +43,7 @@ guava-testlib = "com.google.guava:guava-testlib:32.1.3-android"
 guava-jre = "com.google.guava:guava:32.1.3-jre"
 hdrhistogram = "org.hdrhistogram:HdrHistogram:2.1.12"
 javax-annotation = "org.apache.tomcat:annotations-api:6.0.53"
+jakarta-annotation = "jakarta.annotation:jakarta.annotation-api:2.1.1"
 j2objc-annotations = " com.google.j2objc:j2objc-annotations:2.8"
 jetty-alpn-agent = "org.mortbay.jetty.alpn:jetty-alpn-agent:2.0.10"
 jsr305 = "com.google.code.findbugs:jsr305:3.0.2"