com.arangodb.shaded.netty.handler.codec.compression.DeflateOptions Maven / Gradle / Ivy
/*
* 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 com.arangodb.shaded.netty.handler.codec.compression;
import com.arangodb.shaded.netty.util.internal.ObjectUtil;
/**
* {@link DeflateOptions} holds {@link #compressionLevel()},
* {@link #memLevel()} and {@link #windowBits()} for Deflate compression.
*/
public class DeflateOptions implements CompressionOptions {
private final int compressionLevel;
private final int windowBits;
private final int memLevel;
/**
* @see StandardCompressionOptions#deflate()
*/
static final DeflateOptions DEFAULT = new DeflateOptions(
6, 15, 8
);
/**
* @see StandardCompressionOptions#deflate(int, int, int)
*/
DeflateOptions(int compressionLevel, int windowBits, int memLevel) {
this.compressionLevel = ObjectUtil.checkInRange(compressionLevel, 0, 9, "compressionLevel");
this.windowBits = ObjectUtil.checkInRange(windowBits, 9, 15, "windowBits");
this.memLevel = ObjectUtil.checkInRange(memLevel, 1, 9, "memLevel");
}
public int compressionLevel() {
return compressionLevel;
}
public int windowBits() {
return windowBits;
}
public int memLevel() {
return memLevel;
}
}