private KeyVersion rollNewVersionInternal(String name, byte[] material)
throws NoSuchAlgorithmException, IOException {
checkNotEmpty(name, "name");
Map<String, String> jsonMaterial = new HashMap<String, String>();
if (material != null) {
jsonMaterial.put(KMSRESTConstants.MATERIAL_FIELD,
Base64.encodeBase64String(material));
}
URL url = createURL(KMSRESTConstants.KEY_RESOURCE, name, null, null);
HttpURLConnection conn = createConnection(url, HTTP_POST);
conn.setRequestProperty(CONTENT_TYPE, APPLICATION_JSON_MIME);
Map response = call(conn, jsonMaterial,
HttpURLConnection.HTTP_OK, Map.class);
KeyVersion keyVersion = parseJSONKeyVersion(response);
invalidateCache(name);
return keyVersion;
}