/*
 * Created on 25.11.2003
 *
 * (c) Stabsstelle IKT-Strategie des Bundes
 */
package at.gv.egovernment.moa.spss.slinterface;

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

/**
 * @author Gregor Karlinger (mailto:gregor.karlinger@cio.gv.at) 
 */
public class Utils
{
  public static byte[] readFromInputStream(InputStream inputStream) throws IOException
  {
    byte[] currentBytes = new byte[500];
    int bytesRead;
    ByteArrayOutputStream result = new ByteArrayOutputStream();
    do
    {
      bytesRead = inputStream.read(currentBytes);
      if (bytesRead > 0)
      {
        result.write(currentBytes, 0, bytesRead);
      }
    }
    while (bytesRead != -1);
    return result.toByteArray();
  }
  
  /* ---------------------------------------------------------------------------------------------------- */

  public static void transferStreams(InputStream in, OutputStream out) throws IOException
  {
    byte[] currentBytes = new byte[500];
    int bytesRead;
    do
    {
      bytesRead = in.read(currentBytes);
      if (bytesRead > 0)
      {
        out.write(currentBytes, 0, bytesRead);
      }
    }
    while (bytesRead != -1);
  }
}