How to use

array

method

in

org.apache.mina.codec.IoBuffer

  @Override
  public T decode(IoBuffer input) {
    BinaryDecoder binaryDecoder = DecoderFactory.get().binaryDecoder(input.array(), null);
    ReflectDatumReader<T> reader = new ReflectDatumReader<T>(schema);
    T result = null;
    try {
      result = reader.read(null, binaryDecoder);
    }catch (IOException ioEx) {
      LOG.error("Error while decoding", ioEx);
      throw new ProtocolDecoderException(ioEx.getMessage());
    }
    return result;
  }
}

/**
 * Test the array method for a IoBuffer containing one ByteBuffer not
 * initialized
 */
@Test
public void testArrayByteBufferNotInitialized() {
  ByteBuffer bb = ByteBuffer.allocate(3);
  IoBuffer ioBuffer = IoBuffer.wrap(bb);
  byte[] array = ioBuffer.array();
  assertNotNull(array);
  assertEquals(3, array.length);
  assertTrue(Arrays.equals(new byte[] { 0x00, 0x00, 0x00 }, array));
}

/**
 * Test the array method for a IoBuffer containing one empty ByteBuffer
 */
@Test
public void testArrayEmptyByteBuffer() {
  IoBuffer ioBuffer = IoBuffer.newInstance();
  byte[] array = ioBuffer.array();
  assertNotNull(array);
  assertEquals(0, array.length);
  assertTrue(Arrays.equals(new byte[] {}, array));
}

/**
 * Test the array method for a IoBuffer containing one ByteBuffer (cases 2
 * and 3)
 */
@Test
public void testArrayOneByteBuffer() {
  ByteBuffer bb1 = ByteBuffer.allocate(5);
  IoBuffer ioBuffer = IoBuffer.wrap(bb1);
  // Empty buffer first
  byte[] array = ioBuffer.array();
  assertNotNull(array);
  assertEquals(5, array.length);
  assertTrue(Arrays.equals(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00 }, array));
  // Buffer with data
  bb1.put("012".getBytes());
  bb1.flip();
  ioBuffer = IoBuffer.wrap(bb1);
  assertNotNull(array);
  assertEquals(5, array.length);
  assertTrue(Arrays.equals(new byte[] { '0', '1', '2', 0, 0 }, array));
}