private int getEntityLength() throws IOException {
// Default to -1, which will be treated as an unknown entity length leading to the usage of
// chunked encoding.
int entityLength = -1;
switch (chunkedEncoding.toLowerCase()) {
case "true":
case "1":
break;
case "auto":
if (StringUtilities.nullSafeEqualsIgnoreCase(
sourceRequest.getHeader("transfer-encoding"), "chunked")) {
break;
}
case "false":
case "0":
// todo: optimize so subsequent calls to this method do not need to read/copy the entity
final ByteArrayOutputStream sourceEntity = new ByteArrayOutputStream();
RawInputStreamReader.instance().copyTo(sourceRequest.getInputStream(), sourceEntity);
final ServletInputStream readableEntity =
new BufferedServletInputStream(new ByteArrayInputStream(sourceEntity.toByteArray()));
sourceRequest = new HttpServletRequestWrapper(sourceRequest, readableEntity);
entityLength = sourceEntity.size();
break;
default:
LOG.warn("Invalid chunked encoding value -- using chunked encoding");
break;
}
return entityLength;
}
@Override
public void applyTo(MutableHttpServletResponse response) throws IOException {
if (responseHeaderManager().hasHeaders()) {
responseHeaderManager().applyTo(response);
}
if (HttpStatusCode.UNSUPPORTED_RESPONSE_CODE.intValue() != status
&& delegatedAction != FilterAction.NOT_SET) {
response.setStatus(status);
}
if (directorOutputStream.size() > 0) {
response.setContentLength(directorOutputStream.size());
response.setHeader("Content-Length", String.valueOf(directorOutputStream.size()));
RawInputStreamReader.instance()
.copyTo(
new ByteArrayInputStream(getResponseMessageBodyBytes()), response.getOutputStream());
}
}