content: /*
   * Copyright 2017, The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.example.androidthings.assistant;
  
  import android.content.Context;
  
  import com.google.auth.oauth2.UserCredentials;
  
  import org.json.JSONException;
  import org.json.JSONObject;
  
  import java.io.IOException;
  import java.io.InputStream;
  
  class Credentials {
      static UserCredentials fromResource(Context context, int resourceId)
              throws IOException, JSONException {
          InputStream is = context.getResources().openRawResource(resourceId);
          byte[] bytes = new byte[is.available()];
          is.read(bytes);
          JSONObject json = new JSONObject(new String(bytes, "UTF-8"));
          return new UserCredentials(
                  json.getString("client_id"),
                  json.getString("client_secret"),
                  json.getString("refresh_token")
          );
      }
  }
  