content: /*
   * Copyright (C) 2012 Facebook, Inc.
   *
   * 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.airlift.drift.server;
  
  import com.google.common.collect.Lists;
  import com.google.common.util.concurrent.ListenableFuture;
  import io.airlift.drift.transport.server.ServerInvokeRequest;
  
  import java.util.List;
  
  class FilteredMethodInvoker
          implements ServerMethodInvoker
  {
      public static ServerMethodInvoker createFilteredMethodInvoker(List<MethodInvocationFilter> filters, ServerMethodInvoker methodInvoker)
      {
          for (MethodInvocationFilter filter : Lists.reverse(filters)) {
              methodInvoker = new FilteredMethodInvoker(filter, methodInvoker);
          }
          return methodInvoker;
      }
  
      private final MethodInvocationFilter filter;
      private final ServerMethodInvoker next;
  
      private FilteredMethodInvoker(MethodInvocationFilter filter, ServerMethodInvoker next)
      {
          this.filter = filter;
          this.next = next;
      }
  
      @Override
      public ListenableFuture<Object> invoke(ServerInvokeRequest request)
      {
          return filter.invoke(request, next);
      }
  }
  