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zstd compressor implementation for use with OTLP exporters

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/*
 * Copyright The OpenTelemetry Authors
 * SPDX-License-Identifier: Apache-2.0
 */

package io.opentelemetry.contrib.compressor.zstd;

import com.github.luben.zstd.ZstdOutputStream;
import io.opentelemetry.exporter.internal.compression.Compressor;
import java.io.IOException;
import java.io.OutputStream;

public final class ZstdCompressor implements Compressor {

  private static final ZstdCompressor INSTANCE = new ZstdCompressor();

  private ZstdCompressor() {}

  public static ZstdCompressor getInstance() {
    return INSTANCE;
  }

  @Override
  public String getEncoding() {
    return "zstd";
  }

  @Override
  public OutputStream compress(OutputStream outputStream) throws IOException {
    return new ZstdOutputStream(outputStream);
  }
}