public void initialize(URI uri, Configuration conf) throws IOException {
try {
swiftCredentials = new SwiftCredentials();
Credentials hpswiftCredentials = swiftCredentials.initialize(uri, conf);
swift = new Swift(hpswiftCredentials);
} catch (Exception e) {
if (e.getCause() instanceof IOException) {
throw (IOException) e.getCause();
}
throw new SwiftException(e);