text: /*
   * Copyright (C) 2017 Open Whisper Systems
   *
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Affero General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU Affero General Public License for more details.
   *
   * You should have received a copy of the GNU Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package org.whispersystems.contactdiscovery.util;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  
  public class FileUtils {
  
    public static void copy(InputStream in, OutputStream out) throws IOException {
      byte[] buffer = new byte[4096];
      int read;
  
      while ((read = in.read(buffer)) != -1) {
        out.write(buffer, 0, read);
      }
  
      in.close();
      out.close();
    }
  
  }
  