com.google.api.ads.adwords.extension.ratelimiter.AdWordsServicesWithRateLimiter Java Examples

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Example #1
Source File: AdWordsApiUtil.java    From keyword-optimizer with Apache License 2.0 5 votes vote down vote up 
/**
 * Initializes this utility (credentials, sessions, ...).
 * 
 * @throws OAuthException in case of an authentication error
 * @throws ValidationException in case there is no refresh token
 * @throws ConfigurationLoadException in case of an error loading the config file
 */
private void init() throws OAuthException, ValidationException, ConfigurationLoadException {
  logger.info("Initializing session and services interface");
  
  try {
    // Generate a refreshable OAuth2 credential similar to a ClientLogin token
    // and can be used in place of a service account.
    Credential oAuth2Credential = new OfflineCredentials.Builder()
            .forApi(Api.ADWORDS)
            .fromFile(configPath)
            .build()
            .generateCredential();
    
    // Construct an AdWordsSession.
    String userAgentFromConfig = getUserAgentFromConfig();
    session = new AdWordsSession.Builder()
        .fromFile(configPath)
        .withUserAgent(PREFIX_USER_AGENT + userAgentFromConfig)
        .withOAuth2Credential(oAuth2Credential)
        .build();

    // Create the services interface object.
    services = new AdWordsServicesWithRateLimiter(AdWordsServices.getInstance());
  } catch (ValidationException e) {
    if ("refreshToken".equalsIgnoreCase(e.getTrigger())) {
      retrieveRefreshToken();
    } else {
      logger.error("General exception", e);
    }

    throw new OAuthException("Please add your refreshToken to your ads.properties file", e);
  }
}