com.rt.storage.api.client.util.ByteCountingOutputStream Maven / Gradle / Ivy

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package com.rt.storage.api.client.util;

import java.io.IOException;
import java.io.OutputStream;

/**
 * Output stream that throws away any content and only retains the count of bytes written to the
 * stream.
 *
 * @author Yaniv Inbar
 */
final class ByteCountingOutputStream extends OutputStream {

  /** Number of bytes written. */
  long count;

  @Override
  public void write(byte[] b, int off, int len) throws IOException {
    count += len;
  }

  @Override
  public void write(int b) throws IOException {
    count++;
  }
}