io.grpc.netty.InternalNettyChannelCredentials 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.ChannelCredentials;
import io.grpc.Internal;
/**
* Internal {@link NettyChannelCredentials} 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 InternalNettyChannelCredentials {
private InternalNettyChannelCredentials() {}
/** Creates a {@link ChannelCredentials} that will use the provided {@code negotiator}. */
public static ChannelCredentials create(InternalProtocolNegotiator.ClientFactory negotiator) {
return NettyChannelCredentials.create(negotiator);
}
/**
* Converts a {@link ChannelCredentials} to a negotiator, in similar fashion as for a new channel.
*
* @throws IllegalArgumentException if unable to convert
*/
public static InternalProtocolNegotiator.ClientFactory toNegotiator(
ChannelCredentials channelCredentials) {
final ProtocolNegotiators.FromChannelCredentialsResult result =
ProtocolNegotiators.from(channelCredentials);
if (result.error != null) {
throw new IllegalArgumentException(result.error);
}
final class ClientFactory implements InternalProtocolNegotiator.ClientFactory {
@Override
public InternalProtocolNegotiator.ProtocolNegotiator newNegotiator() {
return new InternalProtocolNegotiator.ProtocolNegotiatorAdapter(
result.negotiator.newNegotiator());
}
@Override
public int getDefaultPort() {
return result.negotiator.getDefaultPort();
}
}
return new ClientFactory();
}
}