protected InputStream handleRequest(String url) {
Request request = new RequestBuilder().setFollowRedirects(true).setUrl(url).build();
try {
final PipedOutputStream po = new PipedOutputStream();
final PipedInputStream pi = new PipedInputStream(po);
final BodyDeferringAsyncHandler bdah = new BodyDeferringAsyncHandler(po);
Future<Response> f = ahcProvider.getAsyncHttpClient().executeRequest(request, bdah);
BodyDeferringInputStream result = new BodyDeferringInputStream(f, bdah, pi);
if (200 == result.getAsapResponse().getStatusCode()) {
return result;
} else {
result.close();
return null;
}
} catch (IOException e) {
getLogger().debug("Error retrieving lvo data", e);
} catch (InterruptedException e) {
getLogger().debug("Error retrieving lvo data", e);
}
return null;
}
@Override
public AbstractStorageItem retrieveItem(
ProxyRepository repository, ResourceStoreRequest request, String baseUrl)
throws ItemNotFoundException, RemoteStorageException {
final URL remoteURL = getAbsoluteUrlFromBase(baseUrl, request.getRequestPath());
final String itemUrl = remoteURL.toString();
final AsyncHttpClient client = getClient(repository);
try {
BodyDeferringInputStream ris = AHCUtils.fetchContent(client, itemUrl);
// this blocks until response headers arrived
Response response = ris.getAsapResponse();
// expected: 200 OK
validateResponse(repository, request, "GET", itemUrl, response, 200);
long length = AHCUtils.getContentLength(response, -1);
long lastModified = AHCUtils.getLastModified(response, System.currentTimeMillis());
// non-reusable simplest content locator, the ris InputStream is ready to be consumed
PreparedContentLocator contentLocator =
new PreparedContentLocator(ris, response.getContentType());
DefaultStorageFileItem result =
new DefaultStorageFileItem(
repository, request, true /* canRead */, true /* canWrite */, contentLocator);
result.setLength(length);
result.setModified(lastModified);
result.setCreated(result.getModified());
result.setRemoteUrl(itemUrl);
result.getItemContext().setParentContext(request.getRequestContext());
return result;
} catch (ItemNotFoundException e) {
throw e;
} catch (RemoteStorageException e) {
throw e;
} catch (Exception e) {
throw new RemoteStorageException(e);
}
}