How to use

asInputStream

method

in

org.apache.mina.codec.IoBuffer

@SuppressWarnings("unchecked")
public <L extends GeneratedMessage> L get(Class<L> clazz, ExtensionRegistryLite registry)
    throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
  Method parseMethod = clazz.getDeclaredMethod("parseFrom", InputStream.class, ExtensionRegistryLite.class);
  return (L) parseMethod.invoke(null, input.asInputStream(), registry);
}

  @SuppressWarnings("unchecked")
  @Override
  public IN decode(IoBuffer input) {
    try {
      return (IN) parseMethod.invoke(null, input.asInputStream(), registry);
    } catch (Exception e) {
      throw new ProtocolDecoderException(e);
    }
  }
}

  @SuppressWarnings("unchecked")
  @Override
  public IN decode(final IoBuffer input) {
    try {
      ObjectInputStream ois = new ObjectInputStream(input.asInputStream());
      IN s = (IN) ois.readObject();
      ois.close();
      return s;
    } catch (Exception ex) {
      throw new ProtocolDecoderException(ex);
    }
  }
}

@Test
public void testInputStreamGetByte() throws IOException {
  String hw = "HelloWorld";
  IoBuffer bb = IoBuffer.wrap(hw.getBytes());
  InputStream is = bb.asInputStream();
  for (int i = 0; i < 10; i++) {
    assertEquals(i, bb.position());
    assertEquals(hw.getBytes()[i], is.read());
  }
  assertEquals(-1, is.read());
}

@Test
public void testInputStreamGetByteArray() throws IOException {
  String hw = "HelloWorld";
  IoBuffer bb = IoBuffer.wrap(hw.getBytes());
  InputStream is = bb.asInputStream();
  byte array[] = new byte[15];
  assertEquals(5, is.read(array, 0, 5));
  assertEquals(5, bb.position());
  assertEquals(5, is.read(array, 5, 10));
  assertEquals(10, bb.position());
  for (int i = 0; i < 10; i++) {
    assertEquals(hw.getBytes()[i], array[i]);
  }
}