content: // == WritableTestBase
  // == WritableTestBase-Deserialize
  import java.io.*;
  import org.apache.hadoop.io.Writable;
  import org.apache.hadoop.util.StringUtils;
  
  public class WritableTestBase {
    
    // vv WritableTestBase
    public static byte[] serialize(Writable writable) throws IOException {
      ByteArrayOutputStream out = new ByteArrayOutputStream();
      DataOutputStream dataOut = new DataOutputStream(out);
      writable.write(dataOut);
      dataOut.close();
      return out.toByteArray();
    }
    // ^^ WritableTestBase
    
    // vv WritableTestBase-Deserialize
    public static byte[] deserialize(Writable writable, byte[] bytes)
        throws IOException {
      ByteArrayInputStream in = new ByteArrayInputStream(bytes);
      DataInputStream dataIn = new DataInputStream(in);
      writable.readFields(dataIn);
      dataIn.close();
      return bytes;
    }
    // ^^ WritableTestBase-Deserialize
    
    public static String serializeToString(Writable src) throws IOException {
      return StringUtils.byteToHexString(serialize(src));
    }
    
    public static String writeTo(Writable src, Writable dest) throws IOException {
      byte[] data = deserialize(dest, serialize(src));
      return StringUtils.byteToHexString(data);
    }
  
  }
  