io.github.microcks.util.grpc.GrpcMockHandlerRegistry Maven / Gradle / Ivy

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/*
 * Copyright The Microcks 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.github.microcks.util.grpc;

import io.github.microcks.web.GrpcServerCallHandler;

import io.grpc.HandlerRegistry;
import io.grpc.MethodDescriptor;
import io.grpc.ServerCallHandler;
import io.grpc.ServerMethodDefinition;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.annotation.Nullable;

/**
 * A GRPC HandlerRegistry that delegates server calls handling to GrpcServerCallHandler.
 * @author laurent
 */
@Component
public class GrpcMockHandlerRegistry extends HandlerRegistry {

   /** A simple logger for diagnostic messages. */
   private static Logger log = LoggerFactory.getLogger(GrpcMockHandlerRegistry.class);

   @Autowired
   private GrpcServerCallHandler serverCallHandler;

   @Nullable
   @Override
   public ServerMethodDefinition lookupMethod(String fullMethodName, @Nullable String authority) {
      log.debug("lookupMethod() with fullMethodName: " + fullMethodName);
      return ServerMethodDefinition.create(mockMethodDescriptor(fullMethodName), mockServerCallHandler(fullMethodName));
   }


   protected MethodDescriptor mockMethodDescriptor(String fullMethodName) {
      return GrpcUtil.buildGenericUnaryMethodDescriptor(fullMethodName);
   }

   protected ServerCallHandler mockServerCallHandler(String fullMethodName) {
      return serverCallHandler.getUnaryServerCallHandler(fullMethodName);
   }
}