io.grpc.netty.InternalNettyServerCredentials Maven / Gradle / Ivy
/*
* Copyright 2020 The gRPC Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.grpc.netty;
import io.grpc.Internal;
import io.grpc.ServerCredentials;
import io.grpc.internal.ObjectPool;
import java.util.concurrent.Executor;
/**
* Internal {@link NettyServerCredentials} accessor. This is intended for usage internal to the
* gRPC team. If you *really* think you need to use this, contact the gRPC team first.
*/
@Internal
public final class InternalNettyServerCredentials {
private InternalNettyServerCredentials() {}
/** Creates a {@link ServerCredentials} that will use the provided {@code negotiator}. */
public static ServerCredentials create(InternalProtocolNegotiator.ProtocolNegotiator negotiator) {
return NettyServerCredentials.create(ProtocolNegotiators.fixedServerFactory(negotiator));
}
/**
* Creates a {@link ServerCredentials} that will use the provided {@code negotiator}. Use of
* {@link #create(io.grpc.netty.InternalProtocolNegotiator.ProtocolNegotiator)} is preferred over
* this method when possible.
*/
public static ServerCredentials create(InternalProtocolNegotiator.ServerFactory negotiator) {
return NettyServerCredentials.create(negotiator);
}
/**
* Converts a {@link ServerCredentials} to a negotiator, in similar fashion as for a new server.
*
* @throws IllegalArgumentException if unable to convert
*/
public static InternalProtocolNegotiator.ServerFactory toNegotiator(
ServerCredentials serverCredentials) {
final ProtocolNegotiators.FromServerCredentialsResult result =
ProtocolNegotiators.from(serverCredentials);
if (result.error != null) {
throw new IllegalArgumentException(result.error);
}
final class ServerFactory implements InternalProtocolNegotiator.ServerFactory {
@Override
public InternalProtocolNegotiator.ProtocolNegotiator newNegotiator(
ObjectPool offloadExecutorPool) {
return new InternalProtocolNegotiator.ProtocolNegotiatorAdapter(
result.negotiator.newNegotiator(offloadExecutorPool));
}
}
return new ServerFactory();
}
}