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1   /*
2    * Copyright 2014 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    * http://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.handler.codec.http2.Http2Error.PROTOCOL_ERROR;
18  import static io.netty.handler.codec.http2.Http2Exception.connectionError;
19  
20  /**
21   * Provides common functionality for {@link Http2HeaderTable}
22   */
23  class DefaultHttp2HeaderTableListSize {
24      private int maxHeaderListSize = Integer.MAX_VALUE;
25  
26      public void maxHeaderListSize(int max) throws Http2Exception {
27          if (max < 0) {
28              throw connectionError(PROTOCOL_ERROR, "Header List Size must be non-negative but was %d", max);
29          }
30          maxHeaderListSize = max;
31      }
32  
33      public int maxHeaderListSize() {
34          return maxHeaderListSize;
35      }
36  }