StorageItem item = repository.retrieveItem(new ResourceStoreRequest("/spoof/simple.txt"));
repository.storeItem(false, new DefaultStorageFileItem(
repository, new ResourceStoreRequest(item.getPath() + ".sha1"), true, true, new StringContentLocator(sha1str))
);
repository.storeItem(false, new DefaultStorageFileItem(
repository, new ResourceStoreRequest(item.getPath() + ".md5"), true, true, new StringContentLocator(md5str))
);
// reread the item to refresh attributes map
item = repository.retrieveItem(new ResourceStoreRequest("/spoof/simple.txt"));