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1   /*
2    * Copyright 2021 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a 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
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty5.handler.codec.compression;
17  
18  import com.aayushatharva.brotli4j.encoder.Encoder;
19  
20  import static java.util.Objects.requireNonNull;
21  
22  /**
23   * {@link BrotliOptions} holds {@link Encoder.Parameters} for
24   * Brotli compression.
25   */
26  public final class BrotliOptions implements CompressionOptions {
27  
28      private final Encoder.Parameters parameters;
29  
30      /**
31       * @see StandardCompressionOptions#brotli()
32       */
33      static final BrotliOptions DEFAULT = new BrotliOptions(
34              new Encoder.Parameters().setQuality(4).setMode(Encoder.Mode.TEXT)
35      );
36  
37      BrotliOptions(Encoder.Parameters parameters) {
38          if (!Brotli.isAvailable()) {
39              throw new IllegalStateException("Brotli is not available", Brotli.cause());
40          }
41  
42          this.parameters = requireNonNull(parameters, "Parameters");
43      }
44  
45      public Encoder.Parameters parameters() {
46          return parameters;
47      }
48  }