2021-11-06 16:14:14 +01:00
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/*
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* This file is part of BlueMap, licensed under the MIT License (MIT).
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*
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* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
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* Copyright (c) contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package de.bluecolored.bluemap.core.storage;
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2023-07-05 11:02:22 +02:00
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import io.airlift.compress.zstd.ZstdInputStream;
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import io.airlift.compress.zstd.ZstdOutputStream;
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2024-02-07 20:43:37 +01:00
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import net.jpountz.lz4.LZ4FrameInputStream;
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import net.jpountz.lz4.LZ4FrameOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.NoSuchElementException;
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import java.util.zip.DeflaterOutputStream;
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import java.util.zip.GZIPInputStream;
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import java.util.zip.GZIPOutputStream;
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import java.util.zip.InflaterInputStream;
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public enum Compression {
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NONE("none", "", out -> out, in -> in),
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GZIP("gzip", ".gz", GZIPOutputStream::new, GZIPInputStream::new),
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DEFLATE("deflate", ".deflate", DeflaterOutputStream::new, InflaterInputStream::new),
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ZSTD("zstd", ".zst", ZstdOutputStream::new, ZstdInputStream::new),
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LZ4("lz4", ".lz4", LZ4FrameOutputStream::new, LZ4FrameInputStream::new);
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private final String typeId;
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private final String fileSuffix;
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private final StreamTransformer<OutputStream> compressor;
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private final StreamTransformer<InputStream> decompressor;
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Compression(String typeId, String fileSuffix,
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StreamTransformer<OutputStream> compressor,
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StreamTransformer<InputStream> decompressor) {
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this.fileSuffix = fileSuffix;
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this.typeId = typeId;
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this.compressor = compressor;
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this.decompressor = decompressor;
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}
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public String getTypeId() {
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return typeId;
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}
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public String getFileSuffix() {
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return fileSuffix;
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}
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public OutputStream compress(OutputStream out) throws IOException {
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return compressor.apply(out);
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}
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public InputStream decompress(InputStream in) throws IOException {
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return decompressor.apply(in);
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}
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public static Compression forTypeId(String id) {
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for (Compression compression : values()) {
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if (compression.typeId.equals(id)) return compression;
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}
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throw new NoSuchElementException("There is no Compression with type-id: " + id);
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}
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@FunctionalInterface
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private interface StreamTransformer<T> {
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T apply(T original) throws IOException;
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}
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}
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