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   /*
    * Copyright 2015 The Netty Project
    *
    * The Netty Project licenses this file to you 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:
    *
    *   https://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.netty.example.http2.helloworld.server;
  
  import io.netty.handler.codec.http2.AbstractHttp2ConnectionHandlerBuilder;
  import io.netty.handler.codec.http2.Http2ConnectionDecoder;
  import io.netty.handler.codec.http2.Http2ConnectionEncoder;
  import io.netty.handler.codec.http2.Http2FrameLogger;
  import io.netty.handler.codec.http2.Http2Settings;
  
  import static io.netty.handler.logging.LogLevel.INFO;
  
  public final class HelloWorldHttp2HandlerBuilder
          extends AbstractHttp2ConnectionHandlerBuilder<HelloWorldHttp2Handler, HelloWorldHttp2HandlerBuilder> {
  
      private static final Http2FrameLogger logger = new Http2FrameLogger(INFO, HelloWorldHttp2Handler.class);
  
      public HelloWorldHttp2HandlerBuilder() {
          frameLogger(logger);
      }
  
      @Override
      public HelloWorldHttp2Handler build() {
          return super.build();
      }
  
      @Override
      protected HelloWorldHttp2Handler build(Http2ConnectionDecoder decoder, Http2ConnectionEncoder encoder,
                                             Http2Settings initialSettings) {
          HelloWorldHttp2Handler handler = new HelloWorldHttp2Handler(decoder, encoder, initialSettings);
          frameListener(handler);
          return handler;
      }
  }