I am working on a protoc plugin (3.2.0) and have one problem that I cannot
figure out how to solve.
Given a proto like this:
import "google/api/annotations.proto";
service MyService {
rpc MethodOne (model.MethodOneRequest) returns
(model.MethodOneResponse) {
option (google.api.http) = {
post: "/v1/myservice/methodone"
body: "*"
};
}
rpc MethodTwo (model.MethodTwoRequest) returns
(model.MethodTwoResponse) {}
In my plugin, I need to be able to get at the option values. I can see that
they are in the corresponding MethodOption, when I 'toString()' the method
option I see them:
Options: [72295728: "\"\030/v1/myservice/methodone:\001*"
]
What I cannot figure out is how to get that Option into an HttpRule so that
I can process it in my plugin.
I have tried things like this, but the option-value is not marshaled from
the original MethodOption ...
final ExtensionRegistry registry = ExtensionRegistry.newInstance();
AnnotationsProto.registerAllExtensions(registry);
...
for (final ServiceDescriptorProto service : _services) {
final List<MethodDescriptorProto> methods = service.getMethodList();
for (final MethodDescriptorProto method : methods) {
// this all works fine, I can see the methods and request/response
parameter types
///
final MethodOptions options = method.getOptions();
...
HttpRule rule = options.getExtension(AnnotationsProto.http);
... // the 'rule' is empty after this.
I have even tried this:
rule = HttpRule.parser().parseFrom(
CodedInputStream.newInstance(options.toByteArray()), registry);
// the 'rule' is still empty
I know I'm missing something simple here, but cannot figure out what that
might be ... anyone have any clues ?
Thanks
-JR
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