@Override
    public InputStream read(final Path file, final TransferStatus status, final ConnectionCallback connectionCallback) throws BackgroundException {
        final MantaHttpHeaders headers = new MantaHttpHeaders();
        try {
            try {
                if(status.isAppend()) {
                    final HttpRange range = HttpRange.withStatus(status);
                    headers.setByteRange(range.getStart(), range.getEnd() < 0 ? null : range.getEnd());
                }
                // Requesting an empty file as an InputStream doesn't work, but we also don't want to
                // perform a HEAD request for every read so we'll opt to handle the exception instead
                // see https://github.com/joyent/java-manta/issues/248
                return session.getClient().getAsInputStream(file.getAbsolute(), headers);
            }
            catch(UnsupportedOperationException e) {
                final MantaObject probablyEmptyFile = session.getClient().head(file.getAbsolute());
                if(probablyEmptyFile.getContentLength() != 0) {
                    throw new AccessDeniedException();
                }
                return new NullInputStream(0L);
            }
        }
        catch(MantaException e) {
            throw new MantaExceptionMappingService().map("Download {0} failed", e, file);
        }
        catch(MantaClientHttpResponseException e) {
            throw new MantaHttpExceptionMappingService().map("Download {0} failed", e, file);
        }
        catch(IOException e) {
            throw new DefaultIOExceptionMappingService().map("Download {0} failed", e, file);
        }
    }
@Test
    public void testReadInterrupt() throws Exception {
        final Path drive = new MantaDirectoryFeature(session).mkdir(randomDirectory(), new TransferStatus());
        final Path test = new Path(drive, new AlphanumericRandomStringService().random(), EnumSet.of(Path.Type.file));
        new MantaTouchFeature(session).touch(test, new TransferStatus());
        // Unknown length in status
        final TransferStatus status = new TransferStatus();
        // Read a single byte
        {
            final InputStream in = new MantaReadFeature(session).read(test, status, new DisabledConnectionCallback());
            assertNotNull(in.read());
            in.close();
        }
        {
            final InputStream in = new MantaReadFeature(session).read(test, status, new DisabledConnectionCallback());
            assertNotNull(in);
            in.close();
        }
        final MantaDeleteFeature delete = new MantaDeleteFeature(session);
        delete.delete(Collections.singletonList(test), new DisabledLoginCallback(), new Delete.DisabledCallback());
    }