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   /*
    * Copyright 2021 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.handler.codec.compression;
  
  import com.aayushatharva.brotli4j.encoder.Encoder;
  import io.netty.util.internal.ObjectUtil;
  
  /**
   * {@link BrotliOptions} holds {@link Encoder.Parameters} for
   * Brotli compression.
   */
  public final class BrotliOptions implements CompressionOptions {
  
      private final Encoder.Parameters parameters;
  
      /**
       * @see StandardCompressionOptions#brotli()
       */
      static final BrotliOptions DEFAULT = new BrotliOptions(
              new Encoder.Parameters().setQuality(4).setMode(Encoder.Mode.TEXT)
      );
  
      BrotliOptions(Encoder.Parameters parameters) {
          if (!Brotli.isAvailable()) {
              throw new IllegalStateException("Brotli is not available", Brotli.cause());
          }
  
          this.parameters = ObjectUtil.checkNotNull(parameters, "Parameters");
      }
  
      public Encoder.Parameters parameters() {
          return parameters;
      }
  }