private static InputStream doExtractResponseBodyAsStream(InputStream is, Exchange exchange)
throws IOException {
// As httpclient is using a AutoCloseInputStream, it will be closed when the connection is
// closed
// we need to cache the stream for it.
CachedOutputStream cos = null;
try {
// This CachedOutputStream will not be closed when the exchange is onCompletion
cos = new CachedOutputStream(exchange, false);
IOHelper.copy(is, cos);
// When the InputStream is closed, the CachedOutputStream will be closed
return cos.getWrappedInputStream();
} catch (IOException ex) {
// try to close the CachedOutputStream when we get the IOException
try {
cos.close();
} catch (IOException ignore) {
// do nothing here
}
throw ex;
} finally {
IOHelper.close(is, "Extracting response body", LOG);
}
}
@Override
public void close() throws IOException {
inputStream.close();
cachedOutputStream.close();
}