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/**
 * Copyright 2011-2017 the original author or authors.
 *
 * 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 org.springframework.social.google.connect;

import org.springframework.social.connect.UserProfile;
import org.springframework.social.connect.support.OAuth2ConnectionFactory;
import org.springframework.social.google.api.Google;
import org.springframework.social.oauth2.AccessGrant;

/**
 * Google ConnectionFactory implementation.
 *
 * @author Gabriel Axel
 */
public class GoogleConnectionFactory extends OAuth2ConnectionFactory {

  public GoogleConnectionFactory(final String clientId, final String clientSecret) {
    super("google", new GoogleServiceProvider(clientId, clientSecret),
      new GoogleAdapter());
  }

  @Override
  protected String extractProviderUserId(final AccessGrant accessGrant) {
    final Google api = ((GoogleServiceProvider) getServiceProvider()).getApi(accessGrant.getAccessToken());
    final UserProfile userProfile = getApiAdapter().fetchUserProfile(api);
    return userProfile.getUsername();
  }
}