/**
* Reads the response body from the given input stream.
*
* @param is the input stream
* @param exchange the exchange
* @return the response body, can be <tt>null</tt> if no body
* @throws IOException is thrown if error reading response body
*/
public static Object readResponseBodyFromInputStream(InputStream is, Exchange exchange)
throws IOException {
if (is == null) {
return null;
}
// convert the input stream to StreamCache if the stream cache is not disabled
if (exchange.getProperty(Exchange.DISABLE_HTTP_STREAM_CACHE, Boolean.FALSE, Boolean.class)) {
return is;
} else {
CachedOutputStream cos = new CachedOutputStream(exchange);
IOHelper.copyAndCloseInput(is, cos);
return cos.newStreamCache();
}
}
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();
}