}
// It is highly recommended that you use a credential store in your
// application to store a per-user Credential.
// See: https://code.google.com/p/google-oauth-java-client/wiki/OAuth2
DataStoreFactory store = MemoryDataStoreFactory.getDefaultInstance();
// Authorize and store your credential.
authorize(store, DFA_USER_PROFILE_NAME);
// Create a DfaSession from the credential store. You will typically do this