/*
    * Copyright 2012 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.netty5.handler.codec.compression;
  
  import io.netty5.channel.ChannelHandler;
  
  /**
   * Creates a new ZLIB encoder / decoder.
   */
  public final class ZlibCodecFactory {
      private static final boolean supportsWindowSizeAndMemLevel = true;
  
      /**
       * Returns {@code true} if specify a custom window size and mem level is supported.
       */
      public static boolean isSupportingWindowSizeAndMemLevel() {
          return supportsWindowSizeAndMemLevel;
      }
  
      public static ChannelHandler newZlibEncoder(int compressionLevel) {
          return new CompressionHandler(ZlibCompressor.newFactory(compressionLevel));
      }
  
      public static ChannelHandler newZlibEncoder(ZlibWrapper wrapper) {
          return new CompressionHandler(ZlibCompressor.newFactory(wrapper));
      }
  
      public static ChannelHandler newZlibEncoder(ZlibWrapper wrapper, int compressionLevel) {
          return new CompressionHandler(ZlibCompressor.newFactory(wrapper, compressionLevel));
      }
  
      public static ChannelHandler newZlibEncoder(ZlibWrapper wrapper, int compressionLevel,
                                                  int windowBits, int memLevel) {
          return new CompressionHandler(ZlibCompressor.newFactory(wrapper, compressionLevel));
      }
  
      public static ChannelHandler newZlibEncoder(byte[] dictionary) {
          return new CompressionHandler(ZlibCompressor.newFactory(dictionary));
      }
  
      public static ChannelHandler newZlibEncoder(int compressionLevel, byte[] dictionary) {
          return new CompressionHandler(ZlibCompressor.newFactory(compressionLevel, dictionary));
      }
  
      public static ChannelHandler newZlibEncoder(int compressionLevel, int windowBits, int memLevel, byte[] dictionary) {
          return new CompressionHandler(ZlibCompressor.newFactory(compressionLevel, dictionary));
      }
  
      public static ChannelHandler newZlibDecoder() {
          return new DecompressionHandler(ZlibDecompressor.newFactory(true));
      }
  
      public static ChannelHandler newZlibDecoder(ZlibWrapper wrapper) {
          return new DecompressionHandler(ZlibDecompressor.newFactory(wrapper, true));
      }
  
      public static ChannelHandler newZlibDecoder(byte[] dictionary) {
          return new DecompressionHandler(ZlibDecompressor.newFactory(dictionary));
      }
  
      private ZlibCodecFactory() {
          // Unused
      }
  }