http://www.dropwizard.io/2.0.18/dropwizard-bom/dropwizard-dependencies/dropwizard-parent/dropwizard-util: Dropwizard is a Java framework for developing ops-friendly, high-performance, RESTful web applications.
  • Coda Hale
  • Nick Telford
  • Graham O'Regan
  • Ryan Kennedy
  • Camille Fournier
  • Carlo Barbara
  • Matt Veitas
  • Ryan Tenney
  • Jochen Schalanda
  • Glenn McAllister
  • Nick Babcock
  • Justin Plock
  • Artem Prigoda 
package io.dropwizard.util;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;


Since:2.0
/**
 * @since 2.0
 */
public final class ByteStreams {

    private ByteStreams() {
    }

    public static byte[] toByteArray(InputStream in) throws IOException {
        ByteArrayOutputStream to = new ByteArrayOutputStream();
        copy(in, to);
        return to.toByteArray();
    }

    public static void copy(InputStream in, OutputStream to) throws IOException {
        byte[] buffer = new byte[4096];
        int length;
        while ((length = in.read(buffer)) != -1) {
            to.write(buffer, 0, length);
        }
    }
}