How to use

getInputStream

method

in

com.documents4j.api.IInputStreamSource

@Override
protected InputStream fetchSource() {
  return source.getInputStream();
}

@Override
public File getFile() {
  inputStream = inputStreamSource.getInputStream();
  try {
    FileOutputStream fileOutputStream = new FileOutputStream(tempStorage);
    fileOutputStream.getChannel().lock();
    try {
      ByteStreams.copy(inputStream, fileOutputStream);
      return tempStorage;
    } finally {
      // Note: This will implicitly release the file lock.
      Closeables.close(fileOutputStream, true);
    }
  } catch (IOException e) {
    throw new FileSystemInteractionException(String.format("Could not write stream to file %s", tempStorage), e);
  }
}

@Test(timeout = DEFAULT_CONVERSION_TIMEOUT)
public void testInputStreamSourceToInputStreamConsumerFuture() throws Exception {
  File source = validFile(true);
  InputStream inputStream = spy(new FileInputStream(source));
  IInputStreamSource inputStreamSource = mock(IInputStreamSource.class);
  when(inputStreamSource.getInputStream()).thenReturn(inputStream);
  OutputStream outputStream = mock(OutputStream.class);
  IInputStreamConsumer inputStreamConsumer = mock(IInputStreamConsumer.class);
  doAnswer(new CloseStreamAnswer()).when(inputStreamConsumer).onComplete(any(InputStream.class));
  assertTrue(getConverter().convert(inputStreamSource).as(validInputType()).to(inputStreamConsumer).as(validTargetType()).schedule().get());
  assertTrue(source.exists());
  verify(inputStreamSource, times(1)).getInputStream();
  verify(inputStreamSource, times(1)).onConsumed(any(InputStream.class));
  verify(inputStream, never()).close();
  inputStream.close();
  verify(inputStreamConsumer, times(1)).onComplete(any(InputStream.class));
  verifyNoMoreInteractions(inputStreamConsumer);
  verify(outputStream, never()).close();
}

@Test(timeout = DEFAULT_CONVERSION_TIMEOUT)
public void testInputStreamSourceToInputStreamConsumerExecute() throws Exception {
  File source = validFile(true);
  InputStream inputStream = spy(new FileInputStream(source));
  IInputStreamSource inputStreamSource = mock(IInputStreamSource.class);
  when(inputStreamSource.getInputStream()).thenReturn(inputStream);
  OutputStream outputStream = mock(OutputStream.class);
  IInputStreamConsumer inputStreamConsumer = mock(IInputStreamConsumer.class);
  doAnswer(new CloseStreamAnswer()).when(inputStreamConsumer).onComplete(any(InputStream.class));
  assertTrue(getConverter().convert(inputStreamSource).as(validInputType()).to(inputStreamConsumer).as(validTargetType()).execute());
  assertTrue(source.exists());
  verify(inputStreamSource, times(1)).getInputStream();
  verify(inputStreamSource, times(1)).onConsumed(any(InputStream.class));
  verify(inputStream, never()).close();
  inputStream.close();
  verify(inputStreamConsumer, times(1)).onComplete(any(InputStream.class));
  verifyNoMoreInteractions(inputStreamConsumer);
  verify(outputStream, never()).close();
}