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1   /*
2    * Copyright 2015 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License, version 2.0 (the
5    * "License"); you may not use this file except in compliance with the License. You may obtain a
6    * copy of the License at:
7    *
8    * https://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software distributed under the License
11   * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
12   * or implied. See the License for the specific language governing permissions and limitations under
13   * the License.
14   */
15  package io.netty.handler.codec.http2;
16  
17  import static io.netty.util.internal.ObjectUtil.checkNotNull;
18  
19  import io.netty.buffer.ByteBuf;
20  import io.netty.channel.ChannelHandlerContext;
21  
22  import java.util.List;
23  
24  /**
25   * Decorator around another {@link Http2ConnectionDecoder} instance.
26   */
27  public class DecoratingHttp2ConnectionDecoder implements Http2ConnectionDecoder {
28      private final Http2ConnectionDecoder delegate;
29  
30      public DecoratingHttp2ConnectionDecoder(Http2ConnectionDecoder delegate) {
31          this.delegate = checkNotNull(delegate, "delegate");
32      }
33  
34      @Override
35      public void lifecycleManager(Http2LifecycleManager lifecycleManager) {
36          delegate.lifecycleManager(lifecycleManager);
37      }
38  
39      @Override
40      public Http2Connection connection() {
41          return delegate.connection();
42      }
43  
44      @Override
45      public Http2LocalFlowController flowController() {
46          return delegate.flowController();
47      }
48  
49      @Override
50      public void frameListener(Http2FrameListener listener) {
51          delegate.frameListener(listener);
52      }
53  
54      @Override
55      public Http2FrameListener frameListener() {
56          return delegate.frameListener();
57      }
58  
59      @Override
60      public void decodeFrame(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Http2Exception {
61          delegate.decodeFrame(ctx, in, out);
62      }
63  
64      @Override
65      public Http2Settings localSettings() {
66          return delegate.localSettings();
67      }
68  
69      @Override
70      public boolean prefaceReceived() {
71          return delegate.prefaceReceived();
72      }
73  
74      @Override
75      public void close() {
76          delegate.close();
77      }
78  }