Revert "Bjorncs/zstd java"

1 files changed, 0 insertions, 51 deletions

diff --git a/vespajlib/src/main/java/com/yahoo/compress/ZstdCompressor.java b/vespajlib/src/main/java/com/yahoo/compress/ZstdCompressor.java
deleted file mode 100644
index 72ccb730db7..00000000000
--- a/vespajlib/src/main/java/com/yahoo/compress/ZstdCompressor.java
+++ /dev/null
@@ -1,51 +0,0 @@
-// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.compress;
-
-import java.util.Arrays;
-
-/**
- * Frame based Zstd compressor (https://github.com/facebook/zstd)
- * Implemented based on https://github.com/airlift/aircompressor - a pure Java implementation (no JNI).
- *
- * @author bjorncs
- */
-public class ZstdCompressor {
-
-    private static final io.airlift.compress.zstd.ZstdCompressor compressor = new io.airlift.compress.zstd.ZstdCompressor();
-    private static final io.airlift.compress.zstd.ZstdDecompressor decompressor = new io.airlift.compress.zstd.ZstdDecompressor();
-
-    public byte[] compress(byte[] input, int inputOffset, int inputLength) {
-        int maxCompressedLength = getMaxCompressedLength(inputLength);
-        byte[] output = new byte[maxCompressedLength];
-        int compressedLength = compress(input, inputOffset, inputLength, output, 0, maxCompressedLength);
-        return Arrays.copyOf(output, compressedLength);
-    }
-
-    public int compress(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset, int maxOutputLength) {
-        return compressor.compress(input, inputOffset, inputLength, output, outputOffset, maxOutputLength);
-    }
-
-    /**
-     *   Note:
-     *   Implementation assumes single frame (since {@link #getDecompressedLength(byte[], int, int)} only includes the first frame)
-     *   The {@link #decompress(byte[], int, int, byte[], int, int)} overload will try to decompress all frame, causing the output buffer to overflow.
-     */
-    public byte[] decompress(byte[] input, int inputOffset, int inputLength) {
-        int decompressedLength = getDecompressedLength(input, inputOffset, inputLength);
-        byte[] output = new byte[decompressedLength];
-        decompress(input, inputOffset, inputLength, output, 0, decompressedLength);
-        return output;
-    }
-
-    public int decompress(byte[] input, int inputOffset, int inputLength, byte[] output, int outputOffset, int maxOutputLength) {
-        return decompressor.decompress(input, inputOffset, inputLength, output, outputOffset, maxOutputLength);
-    }
-
-    public static int getMaxCompressedLength(int uncompressedLength) {
-        return compressor.maxCompressedLength(uncompressedLength);
-    }
-
-    public static int getDecompressedLength(byte[] input, int inputOffset, int inputLength) {
-        return (int) io.airlift.compress.zstd.ZstdDecompressor.getDecompressedSize(input, inputOffset, inputLength);
-    }
-}